Crystallography Open Database

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Searching space group like 'P 4 b m'

COD ID: 1000339
CIF file Formula: - K2 Nb2 O14 Si4 -
Comments: Crosnier, M P; Guyomard, D; Verbaere, A; Piffard, Y; Tournoux, M The potassium niobyl cyclotetrasilicate K~2~(NbO)~2~Si~4~O~12~ Journal of Solid State Chemistry 98 (1992) 128-132
Space group: P 4 b m
Cell volume: 621.5
Cell parameters: 8.7404; 8.7404; 8.136; 90; 90; 90;  

COD ID: 1001731
CIF file Formula: - H8 N2 O8 P V2 -
Comments: Boudin, S; Grandin, A; Labbe, P; Raveau, B (N H4)2 (V O) (V P) O7, a layered structure comprising tetrahedral VP O7 groups Acta Crystallographica C (39,1983-) 52 (1996) 2668-2670
Space group: P 4 b m
Cell volume: 419.3
Cell parameters: 8.6233; 8.6233; 5.6384; 90; 90; 90;  

COD ID: 1007234
CIF file Formula: - Ba2 O8 Si2 Ti -
Comments: Masse, R; Grenier, J C; Durif, A Structure cristalline de la fresnoite Bulletin de la Societe Francaise de Mineralogie et de Cristallographie (72,1949-100,1977) 90 (1967) 20-23
Space group: P 4 b m
Cell volume: 378.2
Cell parameters: 8.52; 8.52; 5.21; 90; 90; 90;  

COD ID: 1010621
CIF file Formula: - Cl H4 N O2 -
Comments: Levi, G R; Scherillo, A Ricerche cristallografiche sui sali dell acido cloroso Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) 76 (1931) 431-452
Space group: P 4 b m
Cell volume: 250
Cell parameters: 6.3; 6.3; 6.3; 90; 90; 90;  

COD ID: 1511387
CIF file Formula: - B0.94 Ba Cu Nd O4.88 -
Comments: Reading, J.; Weller, M.T. Powder neutron diffraction structural analysis of the lanthanide barium copper oxyborates, Ln Ba Cu O2 B O3 (Ln = La, Pr and Nd) Physica C (Amsterdam) 328 (1999) 31-36
Space group: P 4 b m
Cell volume: 227.11
Cell parameters: 5.5244; 5.5244; 7.4416; 90; 90; 90;  

COD ID: 1511405
CIF file Formula: - B0.953 Ba Cu O4.906 Pr -
Comments: Weller, M.T.; Reading, J. Powder neutron diffraction structural analysis of the lanthanide barium copper oxyborates, Ln Ba Cu O2 B O3 (Ln = La, Pr and Nd) Physica C (Amsterdam) 328 (1999) 31-36
Space group: P 4 b m
Cell volume: 228.69
Cell parameters: 5.537; 5.537; 7.4593; 90; 90; 90;  

COD ID: 1520953
CIF file Formula: - Ba0.247 Nb2 O6 Sr0.744 -
Comments: Chernaya, T.S.; Maksimov, B.A.; Volk, T.R.; Ivleva, L.I.; Simonov, V.I. Atomic structure of Sr0.75 Ba0.25 Nb2 O6 single crystal and composition-structure-property relation in (Sr, Ba) Nb2 O6 solid solutions Fizika Tverdogo Tela (Leningrad) (= Solid State Physics) 42 (2000) 1668-1772
Space group: P 4 b m
Cell volume: 609.445
Cell parameters: 12.445; 12.445; 3.935; 90; 90; 90;  

COD ID: 1521825
CIF file Formula: - B0.75 Ba Cu La O4.5 -
Comments: Reading, J.; Weller, M.T. Powder neutron diffraction structural analysis of the lanthanide barium copper oxyborates, Ln Ba Cu O2 B O3 (Ln = La, Pr and Nd) Physica C (Amsterdam) 328 (1999) 31-36
Space group: P 4 b m
Cell volume: 233.483
Cell parameters: 5.5748; 5.5748; 7.5127; 90; 90; 90;  

COD ID: 1522137
CIF file Formula: - Ba3.75 Nb10 O30 Sm0.4165 Y0.4165 -
Comments: Wang, J.-K.; Mizutani, N.; Wakiya, N.; Shinozaki, K. Structural and ferroelectric properties of (1-X)(Ba~3.75~Y~0.83~Nb~10~O~30~) - X(Ba~3.75~Sm~0.83~Nb~10~O~30~) solid solutions Journal of the Ceramic Society of Japan 108(1253) (2000) 36-39
Space group: P 4 b m
Cell volume: 611.707
Cell parameters: 12.457; 12.457; 3.942; 90; 90; 90;  

COD ID: 1526958
CIF file Formula: - H6 O10 V3 -
Comments: Wu, C.-D.; Lin, X.; Yang, W.-B.; Lu, C.-Z.; Zhuang, H.-H. A novel Mo-doped compound with graphite-like structure: (H3 O)2 V3 O8 Jiegon Huaxue 20 (2001) 462-465
Space group: P 4 b m
Cell volume: 441.834
Cell parameters: 8.904; 8.904; 5.573; 90; 90; 90;  

COD ID: 1530009
CIF file Formula: - K2 O8 P2 V -
Comments: Gorbunova, Yu.E.; Linde, S.A.; Lavrov, A.V.; Tananaev, I.V. Structure of crystals of potassium vanadyl pyrophosphate K2 V O P2 O7 Doklady Akademii Nauk SSSR 250 (1980) 350-353
Space group: P 4 b m
Cell volume: 371.317
Cell parameters: 8.277; 8.277; 5.42; 90; 90; 90;  

COD ID: 1530353
CIF file Formula: - Ba2 O8 Si2 Ti -
Comments: Markgraf, S.A.; Halliyal, A.; Bhalla, A.S.; Newnham, R.E.; Prewitt, C.T. X-Ray Structure Refinement and Pyroelectric Investigation of Fresnoite, Ba2 Ti Si2 O8 Ferroelectrics 62 (1985) 17-26
Space group: P 4 b m
Cell volume: 378.847
Cell parameters: 8.527; 8.527; 5.2104; 90; 90; 90;  

COD ID: 1530679
CIF file Formula: - Ba5.2 K0.8 Nb7.6 O30 U2.4 -
Comments: Saine, M.C. Synthese et structure d'un bronze oxygene quadratique contenant de l'uranium a la valence six Journal of the Less-Common Metals 139 (1988) 315-319
Space group: P 4 b m
Cell volume: 637.754
Cell parameters: 12.608; 12.608; 4.012; 90; 90; 90;  

COD ID: 1530869
CIF file Formula: - H8 N2 O8 V3 -
Comments: Theobald, F.R.; Theobald, J.G.; Vedrine, J.C.; Clad, R.; Renard, J. Crystal Growth, Structure, Electron Paramagnetic Resonance and Magnetic Properties of (N H4)2 V3 O8 Journal of Physics and Chemistry of Solids 45 (1984) 581-587
Space group: P 4 b m
Cell volume: 441.256
Cell parameters: 8.891; 8.891; 5.582; 90; 90; 90;  

COD ID: 1531340
CIF file Formula: - K Nb5 O15 Sr2 -
Comments: El Belghiti, A.A.; Elaatmani, M.; Gravereau, P.; Simon, A.; Villesuzanne, A.; Ravez, J. Ferroelectric and crystallographic properties of the Sr2-x K1+x Nb5 O15-x Fx solid solution Solid State Sciences 4 (2002) 933-940
Space group: P 4 b m
Cell volume: 611.521
Cell parameters: 12.4577; 12.4577; 3.94036; 90; 90; 90;  

COD ID: 1531378
CIF file Formula: - Ba0.75 Ca0.25 Nb2 O6 -
Comments: Esser, M.; Burianek, M.; Muehlberg, M.; Bulut, S.; Held, P.; Stade, J.; Wickleder, C. Optical characterization and crystal structure of the novel bronze type Cax Ba1-x Nb2 O6 (x = 0.28; CBN-28) Crystal Research and Technology 38 (2003) 457-464
Space group: P 4 b m
Cell volume: 615.09
Cell parameters: 12.4515; 12.4515; 3.9673; 90; 90; 90;  

COD ID: 1532154
CIF file Formula: - Al0.75 Ba5.75 Nb9.25 O30 -
Comments: Vanderah, T.A.; Roth, R.S.; Collins, T.R.; Farber, L.; Wong-Ng, W. Phase equilibria and crystal chemistry in the (Ba O) - (Al2 O3) - (Nb2 O5) and (Ba O) - (Nb2 O5) systems Journal of Alloys Compd. 346 (2002) 116-128
Space group: P 4 b m
Cell volume: 626.209
Cell parameters: 12.558; 12.558; 3.9708; 90; 90; 90;  

COD ID: 1532157
CIF file Formula: - Ba3.3 Nb10 O28.3 -
Comments: Vanderah, T.A.; Roth, R.S.; Wong-Ng, W.; Collins, T.R.; Farber, L. Phase equilibria and crystal chemistry in the (Ba O) - (Al2 O3) - (Nb2 O5) and (Ba O) - (Nb2 O5) systems Journal of Alloys Compd. 346 (2002) 116-128
Space group: P 4 b m
Cell volume: 618.6
Cell parameters: 12.481; 12.481; 3.9711; 90; 90; 90;  

COD ID: 1532915
CIF file Formula: - Bi0.5 K0.1 Na0.4 O3 Ti -
Comments: Jones, G.O.; Kreisel, J.; Thomas, P.A. A structural study of the (Na1-x Kx)0.5 Bi0.5 Ti O3 perovskite series as a function of substitution (x) and temperature Powder Diffraction 17 (2002) 301-319
Space group: P 4 b m
Cell volume: 118.634
Cell parameters: 5.5154; 5.5154; 3.8999; 90; 90; 90;  

COD ID: 1534359
CIF file Formula: - Ba0.39 Ce0.01 Nb2 O6 Sr0.6 -
Comments: Chernaya, T.S.; Volk, T.R.; Verin, I.A.; Blomberg, M.K.; Ivleva, L.I.; Maksimov, B.A.; Simonov, V.I. X-ray diffraction study of cerium- and thulium-doped (Sr, Ba) Nb2 O6 single crystals Kristallografiya 48 (2003) 1000-1005
Space group: P 4 b m
Cell volume: 609.862
Cell parameters: 12.454; 12.454; 3.932; 90; 90; 90;  

COD ID: 1534360
CIF file Formula: - Ba0.39 Nb2 O6 Sr0.6 Tm0.01 -
Comments: Chernaya, T.S.; Volk, T.R.; Blomberg, M.K.; Maksimov, B.A.; Ivleva, L.I.; Verin, I.A.; Simonov, V.I. X-ray diffraction study of cerium- and thulium-doped (Sr, Ba) Nb2 O6 single crystals Kristallografiya 48 (2003) 1000-1005
Space group: P 4 b m
Cell volume: 610.719
Cell parameters: 12.458; 12.458; 3.935; 90; 90; 90;  

COD ID: 1534595
CIF file Formula: - Ce3 N11 Si6 -
Comments: Schlieper, T.; Schnick, W. Nitrodisilicate. III : Hochtemperatur-Synthese, Kristallstruktur und magnetische Eigenschaften von Ce3 (Si6 N11) Zeitschrift fuer Anorganische und Allgemeine Chemie 621 (1995) 1535-1538
Space group: P 4 b m
Cell volume: 498.255
Cell parameters: 10.142; 10.142; 4.844; 90; 90; 90;  

COD ID: 1544729
CIF file Formula: - Ba2 Ge0.5 O8 Si1.5 Ti -
Comments: Iijima, K.; Marumo, F.; Kimura, M.; Kawamura, T. Synthesis and crystal structdures of compounds in the system Ba2TiGe2O8-Ba2TiSi2O8 :Sample at 890 C Mineralogical Journal 11 (1982) 107-118
Space group: P 4 b m
Cell volume: 417.87
Cell parameters: 8.77; 8.77; 5.433; 90; 90; 90;  

COD ID: 1544730
CIF file Formula: - Ba2 Ge0.5 O8 Si1.5 Ti -
Comments: Iijima, K.; Marumo, F.; Kimura, M.; Kawamura, T. Synthesis and crystal structdures of compounds in the system Ba2TiGe2O8-Ba2TiSi2O8 Mineralogical Journal 11 (1982) 107-118
Space group: P 4 b m
Cell volume: 388.08
Cell parameters: 8.583; 8.583; 5.268; 90; 90; 90;  

COD ID: 1570548
CIF file Formula: - C28 H72 Cl2 N7 O14 Yb -
Comments: Manvell, Anna Schannong; Pfleger, Rouven; Bonde, Niels Andreas; Briganti, Matteo; Mattei, Carlo Andrea; Nannestad, Theis Brock; Weihe, Høgni; Powell, Annie K.; Ollivier, Jacques; Bendix, Jesper; Perfetti, Mauro LnDOTA puppeteering: removing the water molecule and imposing tetragonal symmetry. Chemical science 15(1) (2023) 113-123
Space group: P 4 b m
Cell volume: 2047.63
Cell parameters: 17.3928; 17.3928; 6.7688; 90; 90; 90;  

COD ID: 1570549
CIF file Formula: - C3.11 H6.72 Cl0.22 Dy0.11 N0.78 O1.56 -
Comments: Manvell, Anna Schannong; Pfleger, Rouven; Bonde, Niels Andreas; Briganti, Matteo; Mattei, Carlo Andrea; Nannestad, Theis Brock; Weihe, Høgni; Powell, Annie K.; Ollivier, Jacques; Bendix, Jesper; Perfetti, Mauro LnDOTA puppeteering: removing the water molecule and imposing tetragonal symmetry. Chemical science 15(1) (2023) 113-123
Space group: P 4 b m
Cell volume: 2071.11
Cell parameters: 17.4527; 17.4527; 6.7995; 90; 90; 90;  

COD ID: 1570550
CIF file Formula: - C28 H67 Cl2 N7 O14 Y -
Comments: Manvell, Anna Schannong; Pfleger, Rouven; Bonde, Niels Andreas; Briganti, Matteo; Mattei, Carlo Andrea; Nannestad, Theis Brock; Weihe, Høgni; Powell, Annie K.; Ollivier, Jacques; Bendix, Jesper; Perfetti, Mauro LnDOTA puppeteering: removing the water molecule and imposing tetragonal symmetry. Chemical science 15(1) (2023) 113-123
Space group: P 4 b m
Cell volume: 2065.3
Cell parameters: 17.4345; 17.4345; 6.7946; 90; 90; 90;  

COD ID: 1570551
CIF file Formula: - C14 H30.5 Cl N3.5 O7 Tm0.5 -
Comments: Manvell, Anna Schannong; Pfleger, Rouven; Bonde, Niels Andreas; Briganti, Matteo; Mattei, Carlo Andrea; Nannestad, Theis Brock; Weihe, Høgni; Powell, Annie K.; Ollivier, Jacques; Bendix, Jesper; Perfetti, Mauro LnDOTA puppeteering: removing the water molecule and imposing tetragonal symmetry. Chemical science 15(1) (2023) 113-123
Space group: P 4 b m
Cell volume: 2047.17
Cell parameters: 17.3929; 17.3929; 6.7672; 90; 90; 90;  

COD ID: 1570552
CIF file Formula: - C28 H0.5 Cl2 Er N7 O14 -
Comments: Manvell, Anna Schannong; Pfleger, Rouven; Bonde, Niels Andreas; Briganti, Matteo; Mattei, Carlo Andrea; Nannestad, Theis Brock; Weihe, Høgni; Powell, Annie K.; Ollivier, Jacques; Bendix, Jesper; Perfetti, Mauro LnDOTA puppeteering: removing the water molecule and imposing tetragonal symmetry. Chemical science 15(1) (2023) 113-123
Space group: P 4 b m
Cell volume: 2059.6
Cell parameters: 17.4237; 17.4237; 6.7843; 90; 90; 90;  

COD ID: 1570553
CIF file Formula: - C14 H35.5 Cl Ho0.5 N3.5 O7 -
Comments: Manvell, Anna Schannong; Pfleger, Rouven; Bonde, Niels Andreas; Briganti, Matteo; Mattei, Carlo Andrea; Nannestad, Theis Brock; Weihe, Høgni; Powell, Annie K.; Ollivier, Jacques; Bendix, Jesper; Perfetti, Mauro LnDOTA puppeteering: removing the water molecule and imposing tetragonal symmetry. Chemical science 15(1) (2023) 113-123
Space group: P 4 b m
Cell volume: 2052.41
Cell parameters: 17.4077; 17.4077; 6.773; 90; 90; 90;  

COD ID: 1570554
CIF file Formula: - C14 H34.5 Cl N3.5 O7 Tb0.5 -
Comments: Manvell, Anna Schannong; Pfleger, Rouven; Bonde, Niels Andreas; Briganti, Matteo; Mattei, Carlo Andrea; Nannestad, Theis Brock; Weihe, Høgni; Powell, Annie K.; Ollivier, Jacques; Bendix, Jesper; Perfetti, Mauro LnDOTA puppeteering: removing the water molecule and imposing tetragonal symmetry. Chemical science 15(1) (2023) 113-123
Space group: P 4 b m
Cell volume: 2056.78
Cell parameters: 17.4148; 17.4148; 6.7819; 90; 90; 90;  

COD ID: 2002278
CIF file Formula: - Ba6 Co Nb9 O30 -
Comments: Lehmann, U; Mueller-Buschbaum, Hk Ba6 Co Nb9 O30: Ein neuer Vertreter der tetragonalen Wolframbronzen Zeitschrift fuer Anorganische und Allgemeine Chemie 481 (1981) 7-12
Space group: P 4 b m
Cell volume: 635.4
Cell parameters: 12.589; 12.589; 4.009; 90; 90; 90;  

COD ID: 2002365
CIF file Formula: - Ba6 Fe Nb9 O30 -
Comments: Brandt, R; Mueller-Buschbaum, Hk Zur Kristallchemie der tetragonalen Wolframbronze Ba6 Fe Nb9 O30 Monatshefte fuer Chemie und verwandte Teile anderer Wissenschaften (109,1978-) 117 (1986) 1239-1244
Space group: P 4 b m
Cell volume: 633.2
Cell parameters: 12.597; 12.597; 3.99; 90; 90; 90;  

COD ID: 2002636
CIF file Formula: - Ba Cl Cu K O7 V2 -
Comments: Martin, F D; Mueller-Buschbaum, Hk Synthese und Kristallstruktur eines Alkali-Erdalkali-Kupfer-Halogeno- Oxovanadats: K Ba Cu V2 O7 Cl Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) 49 (1994) 355-359
Space group: P 4 b m
Cell volume: 429.3
Cell parameters: 8.8581; 8.8581; 5.4711; 90; 90; 90;  

COD ID: 2002857
CIF file Formula: - Nb34 O91 Sr6 -
Comments: Schueckel, K; Mueller-Buschbaum, Hk Zur Kenntnis eines Strontiumoxoniobats mit bronzeaehnlicher Struktur: Sr6 Nb34 O91 Revue de Chimie Minerale 23 (1986) 154-161
Space group: P 4 b m
Cell volume: 5433.3
Cell parameters: 37.088; 37.088; 3.95; 90; 90; 90;  

COD ID: 2005612
CIF file Formula: - H8 N2 O8 P V2 -
Comments: (NH~4~)~2~(VO)(VP)O~7~ , a Layered Structure Comprising Tetrahedral VPO~7~ Groups Acta Crystallographica C 52 (1996) 2668-2670
Space group: P 4 b m
Cell volume: 419.28
Cell parameters: 8.6233; 8.6233; 5.6384; 90; 90; 90;  

COD ID: 2100719
CIF file

Original IUCr paper

 Formula: - Ba0.67 Nb2 O6 Sr0.33 -
Comments: Podlozhenov, Sergey; Graetsch, Heribert A.; Schneider, Julius; Ulex, Michael; Woehlecke, Manfred; Betzler, Klaus Structure of strontium barium niobate Sr~<i>x~</i>Ba~1{-~<i>x</i>}Nb~2~O~6~ (SBN) in the composition range 0.32 {łeq} <i>x</i> {łeq} 0.82 Acta Crystallographica Section B 62(6) (2006) 960-965
Space group: P 4 b m
Cell volume: 619.38
Cell parameters: 12.484; 12.484; 3.9742; 90; 90; 90;  

COD ID: 2100720
CIF file

Original IUCr paper

 Formula: - Ba0.52 Nb2 O6 Sr0.48 -
Comments: Podlozhenov, Sergey; Graetsch, Heribert A.; Schneider, Julius; Ulex, Michael; Woehlecke, Manfred; Betzler, Klaus Structure of strontium barium niobate Sr~<i>x~</i>Ba~1{-~<i>x</i>}Nb~2~O~6~ (SBN) in the composition range 0.32 {łeq} <i>x</i> {łeq} 0.82 Acta Crystallographica Section B 62(6) (2006) 960-965
Space group: P 4 b m
Cell volume: 616.77
Cell parameters: 12.4844; 12.4844; 3.9572; 90; 90; 90;  

COD ID: 2100721
CIF file

Original IUCr paper

 Formula: - Ba0.39 Nb2 O6 Sr0.61 -
Comments: Podlozhenov, Sergey; Graetsch, Heribert A.; Schneider, Julius; Ulex, Michael; Woehlecke, Manfred; Betzler, Klaus Structure of strontium barium niobate Sr~<i>x~</i>Ba~1{-~<i>x</i>}Nb~2~O~6~ (SBN) in the composition range 0.32 {łeq} <i>x</i> {łeq} 0.82 Acta Crystallographica Section B 62(6) (2006) 960-965
Space group: P 4 b m
Cell volume: 611.17
Cell parameters: 12.4575; 12.4575; 3.9382; 90; 90; 90;  

COD ID: 2100722
CIF file

Original IUCr paper

 Formula: - Ba0.14 Nb2 O6 Sr0.86 -
Comments: Podlozhenov, Sergey; Graetsch, Heribert A.; Schneider, Julius; Ulex, Michael; Woehlecke, Manfred; Betzler, Klaus Structure of strontium barium niobate Sr~<i>x~</i>Ba~1{-~<i>x</i>}Nb~2~O~6~ (SBN) in the composition range 0.32 {łeq} <i>x</i> {łeq} 0.82 Acta Crystallographica Section B 62(6) (2006) 960-965
Space group: P 4 b m
Cell volume: 602.54
Cell parameters: 12.4179; 12.4179; 3.9074; 90; 90; 90;  

COD ID: 2101216
CIF file

Original IUCr paper

 Formula: - B Ba Cu La O5 -
Comments: Norrestam, R.; Kritikos, M.; Sjödin, A. On the structure and properties of the layered lanthanide (Ln) barium copper oxyborates, LnBaCuO~2~BO~3~ Acta Crystallographica Section B 50(6) (1994) 631-636
Space group: P 4 b m
Cell volume: 233.21
Cell parameters: 5.5743; 5.5743; 7.5053; 90; 90; 90;  

COD ID: 2101577
CIF file

Original IUCr paper

 Formula: - Ba2 O8 Si2 Ti -
Comments: Abrahams, S. C. New ferroelectric inorganic materials predicted in point group 4<i>mm</i> Acta Crystallographica Section B 52(5) (1996) 790-805
Space group: P 4 b m
Cell volume: 378.85
Cell parameters: 8.527; 8.527; 5.2104; 90; 90; 90;  

COD ID: 2101584
CIF file

Original IUCr paper

 Formula: - Ba Cl Cu K O7 V2 -
Comments: Abrahams, S. C. New ferroelectric inorganic materials predicted in point group 4<i>mm</i> Acta Crystallographica Section B 52(5) (1996) 790-805
Space group: P 4 b m
Cell volume: 429.29
Cell parameters: 8.8581; 8.8581; 5.4711; 90; 90; 90;  

COD ID: 2101585
CIF file

Original IUCr paper

 Formula: - Ba6 Co Nb9 O30 -
Comments: Abrahams, S. C. New ferroelectric inorganic materials predicted in point group 4<i>mm</i> Acta Crystallographica Section B 52(5) (1996) 790-805
Space group: P 4 b m
Cell volume: 635.358
Cell parameters: 12.589; 12.589; 4.009; 90; 90; 90;  

COD ID: 2101586
CIF file

Original IUCr paper

 Formula: - K2 Nb2 O14 Si4 -
Comments: Abrahams, S. C. New ferroelectric inorganic materials predicted in point group 4<i>mm</i> Acta Crystallographica Section B 52(5) (1996) 790-805
Space group: P 4 b m
Cell volume: 621.55
Cell parameters: 8.7404; 8.7404; 8.136; 90; 90; 90;  

COD ID: 2101587
CIF file

Original IUCr paper

 Formula: - Cr N Nb -
Comments: Abrahams, S. C. New ferroelectric inorganic materials predicted in point group 4<i>mm</i> Acta Crystallographica Section B 52(5) (1996) 790-805
Space group: P 4 b m
Cell volume: 135.012
Cell parameters: 4.283; 4.283; 7.36; 90; 90; 90;  

COD ID: 2102068
CIF file

Original IUCr paper

 Formula: - Bi0.5 Na0.5 O3 Ti -
Comments: Jones, G. O.; Thomas, P. A. The tetragonal phase of Na~0.5~Bi~0.5~TiO~3~ – a new variant of the perovskite structure Acta Crystallographica Section B 56(3) (2000) 426-430
Space group: P 4 b m
Cell volume: 119.055
Cell parameters: 5.5191; 5.5191; 3.9085; 90; 90; 90;  

COD ID: 2103296
CIF file

Original IUCr paper

 Formula: - Bi0.5 Na0.5 O3 Ti -
Comments: Jones, G. O.; Thomas, P. A. Investigation of the structure and phase transitions in the novel A-site substituted distorted perovskite compound Na~0.5~Bi~0.5~TiO~3~ Acta Crystallographica Section B 58(2) (2002) 168-178
Space group: P 4 b m
Cell volume: 118.966
Cell parameters: 5.5179; 5.5179; 3.9073; 90; 90; 90;  

COD ID: 2106680
CIF file Formula: - K2 O8 V3 -
Comments: Galy, J.; Carpy, A. Structure cristalline de K2 V3 O8 ou K2 (V O) (V2 O7) Acta Crystallographica B (24,1968-38,1982) 31 (1975) 1794-1795
Space group: P 4 b m
Cell volume: 410.3
Cell parameters: 8.87; 8.87; 5.215; 90; 90; 90;  

COD ID: 2107265
CIF file Formula: - Ba2 O8 Si2 Ti -
Comments: Kunz, M.; Armbruster, T. Applications and limitations of the ionic potential model with empirically derived ion-specific repulsion parameters Acta Crystallographica B (39,1983-) 48 (1992) 609-622
Space group: P 4 b m
Cell volume: 420.472
Cell parameters: 8.642; 8.642; 5.63; 90; 90; 90;  

COD ID: 2109101
CIF file

HKL data

Original IUCr paper

 Formula: - Ba2 O8 Si2 Ti -
Comments: Chukanov, Nikita V.; Kazheva, Olga N.; Fischer, Reinhard X.; Aksenov, Sergey M. Refinement of the crystal structure of fresnoite, Ba<sub>2</sub>TiSi<sub>2</sub>O<sub>8</sub>, from Löhley (Eifel district, Germany); Gladstone-Dale compatibility, electronic polarizability and vibrational spectroscopy of minerals and inorganic compounds with pentacoordinated Ti<sup>IV</sup> and a titanyl bond. Acta crystallographica Section B, Structural science, crystal engineering and materials 79(2) (2023) 184-194
Space group: P 4 b m
Cell volume: 376.44
Cell parameters: 8.5104; 8.5104; 5.1975; 90; 90; 90;  

COD ID: 2237244
CIF file

Original IUCr paper

 Formula: - O8 Si2 Sr2 Ti -
Comments: Bell, Anthony M. T.; Henderson, C. Michael B. Sr‒fresnoite determined from synchrotron X-ray powder diffraction data Acta Crystallographica Section E 69(1) (2013) i1
Space group: P 4 b m
Cell volume: 347.77
Cell parameters: 8.32; 8.32; 5.0239; 90; 90; 90;  

COD ID: 2238610
CIF file

Original IUCr paper

 Formula: - Ba0.4 Nb2 O6 Sr0.6 -
Comments: Stachowicz, Marcin; Gawryszewska, Olga; Swirkowicz, Marek A.; Lukasiewicz, Tadeusz SBN60, strontium-barium niobate at 100K Acta Crystallographica Section E 69(10) (2013) i69-i70
Space group: P 4 b m
Cell volume: 608.749
Cell parameters: 12.43478; 12.43478; 3.93697; 90; 90; 90;  

COD ID: 2239525
CIF file

HKL data

Original IUCr paper

 Formula: - La3 N11 Si6 -
Comments: Yamane, Hisanori; Nagura, Toshiki; Miyazaki, Tomohiro La~3~Si~6~N~11~ Acta Crystallographica Section E 70(6) (2014) i23-i24
Space group: P 4 b m
Cell volume: 503.59
Cell parameters: 10.1988; 10.1988; 4.84153; 90; 90; 90;  

COD ID: 2310682
CIF file Formula: - Ba6 Nb8 O30 Ti2 -
Comments: Stephenson, N.C. The crystal structure of the tetragonal bronze Ba6 Ti2 Nb8 O30 Acta Crystallographica (1,1948-23,1967) 18 (1965) 496-501
Space group: P 4 b m
Cell volume: 630.579
Cell parameters: 12.54; 12.54; 4.01; 90; 90; 90;  

COD ID: 4000412
CIF file Formula: - F30 Fe10 K5.25 -
Comments: Fabbrici, Simone; Montanari, Erica; Righi, Lara; Calestani, Gianluca; Migliori, Andrea Charge order and tilt modulation in multiferroic K~x~M^2+~x~M^3+~1-x~F~3~ (0.4<x<0.6) transition metal fluorides with tetragonal tungsten bronze structure Chemistry of Materials (2004)
Space group: P 4 b m
Cell volume: 630.73
Cell parameters: 12.634; 12.634; 3.9515; 90; 90; 90;  

COD ID: 4001508
CIF file Formula: - Ba1.938 Bi0.375 Nb5 O15 -
Comments: Muktha, B.; Simon, A.; Darriet, J.; Guru Row, T. N. Crystal Chemistry of a New Solid Solution in the BaO−Bi2O3−Nb2O5System: Ba5x/2Bi(1-x)5/3Nb5O15 Chemistry of Materials 18(5) (2006) 1240
Space group: P 4 b m
Cell volume: 616.87
Cell parameters: 12.4938; 12.4938; 3.9519; 90; 90; 90;  

COD ID: 4003090
CIF file Formula: - Ca1.16 La2.23 N11 Si6 -
Comments: Maak, Christian; Durach, Dajana; Martiny, Christoph; Schmidt, Peter J.; Schnick, Wolfgang Narrow-Band Yellow-Orange Emitting La3‒xCa1.5xSi6N11:Eu2+ (x ≈ 0.77): A Promising Phosphor for Next-Generation Amber pcLEDs Chemistry of Materials 30(10) (2018) 3552
Space group: P 4 b m
Cell volume: 501.13
Cell parameters: 10.1142; 10.1142; 4.8988; 90; 90; 90;  

COD ID: 4132048
CIF file Formula: - C H5 I3 N2 Pb0.743 -
Comments: Spanopoulos, Ioannis; Ke, Weijun; Stoumpos, Constantinos C.; Schueller, Emily C.; Kontsevoi, Oleg Y.; Seshadri, Ram; Kanatzidis, Mercouri G. Unraveling the Chemical Nature of the 3D "Hollow" Hybrid Halide Perovskites. Journal of the American Chemical Society 140(17) (2018) 5728-5742
Space group: P 4 b m
Cell volume: 523.91
Cell parameters: 9.0452; 9.0452; 6.4036; 90; 90; 90;  

COD ID: 4313848
CIF file Formula: - Ba2 Cl Mn O7 Si2 -
Comments: Xunhua Mo; Shiou-Jyh Hwu Salt-Inclusion Synthesis of Ba2MnSi2O7Cl. A Fresnoite-Type Polar Framework Containing the Acentric [Si2O7]6- Polyanion in the Anti-ReO3 Type [(Ba2Mn)Cl]6+ Cage Inorganic Chemistry 42 (2003) 3978-3980
Space group: P 4 b m
Cell volume: 389.8
Cell parameters: 8.4939; 8.4939; 5.4029; 90; 90; 90;  

COD ID: 4334972
CIF file Formula: - Cs2 O8 V3 -
Comments: Jeongho Yeon; Athena S. Sefat; T. Thao Tran; P. Shiv Halasyamani; Hans-Conrad zur Loye Crystal Growth, Structure, Polarization, and Magnetic Properties of Cesium Vanadate, Cs2V3O8: A Structure-Property Study Inorganic Chemistry 52 (2013) 6179-6186
Space group: P 4 b m
Cell volume: 480.31
Cell parameters: 8.9448; 8.9448; 6.0032; 90; 90; 90;  

COD ID: 4506221
CIF file Formula: - C36 H42 Cl2 Cu N8 O11 -
Comments: Adarsh, N. N.; Grélard, Axelle; Dufourc, Erick J.; Dastidar, Parthasarathi Sequestering Hydrated Fluoride in a Three-Dimensional Non-Interpenetrated Octahedral Coordination Polymer via a Single-Crystal-to-Single-Crystal Fashion Crystal Growth & Design 12(7) (2012) 3369
Space group: P 4 b m
Cell volume: 2414.33
Cell parameters: 21.6145; 21.6145; 5.1678; 90; 90; 90;  

COD ID: 4517853
CIF file Formula: - C H5 I3 N2 Sn -
Comments: Kahmann, Simon; Nazarenko, Olga; Shao, Shuyan; Hordiichuk, Oleh; Kepenekian, Mikaël; Even, Jacky; Kovalenko, Maksym V.; Blake, Graeme R.; Loi, Maria A. Negative Thermal Quenching in FASnI3 Perovskite Single Crystals and Thin Films ACS Energy Letters (2020) 2512-2519
Space group: P 4 b m
Cell volume: 969.1
Cell parameters: 8.8379; 8.8379; 12.4066; 90; 90; 90;  

COD ID: 6000139
CIF file Formula: - Al0.7 Nb9.3 O30 Sr5.7 -
Comments: Chan, J. Y.; Levin, I.; Vanderah, T. A.; Geyer, R. G.; Roth, R. S. Subsolidus phase relations and dielectric properties in the SrO-Al2O3-Nb2O5 system International Journal of Inorganic Materials 2 (2000) 107-114
Space group: P 4 b m
Cell volume: 593.86
Cell parameters: 12.374; 12.374; 3.8785; 90; 90; 90;  

COD ID: 6000626
CIF file Formula: - H8 N2 O8 P2 V -
Comments: Trommer, J.; Worzala, H.; Rabe, S.; Schneider, M. Structural investigations of ammonium vanadium diphosphates by X-ray powder diffraction Journal of Solid State Chemistry 136 (1998) 181-192
Space group: P 4 b m
Cell volume: 397.58
Cell parameters: 8.3039; 8.3039; 5.7658; 90; 90; 90;  

COD ID: 7129657
CIF file Formula: - C146 H175 N5 O24 -
Comments: Fong, Angela; Cambell, Cameron; Huynh, Silvia; McCormick McPherson, Laura J.; Teat, Simon; Bebbington, Magnus W. P.; Dalgarno, Scott Facile Synthetic Routes to Bridge-Functionalised Calix[4]arenes Chemical Communications (2022)
Space group: P 4 b m
Cell volume: 6772.6
Cell parameters: 25.0238; 25.0238; 10.8155; 90; 90; 90;  

COD ID: 7704781
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 436.38
Cell parameters: 8.8551; 8.8551; 5.5652; 90; 90; 90;  

COD ID: 7704782
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 440.4
Cell parameters: 8.8895; 8.8895; 5.5731; 90; 90; 90;  

COD ID: 7704783
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 436.86
Cell parameters: 8.8599; 8.8599; 5.5653; 90; 90; 90;  

COD ID: 7704784
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 438.3
Cell parameters: 8.8761; 8.8761; 5.5632; 90; 90; 90;  

COD ID: 7704785
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 437.53
Cell parameters: 8.8669; 8.8669; 5.565; 90; 90; 90;  

COD ID: 7704786
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 438.27
Cell parameters: 8.8776; 8.8776; 5.561; 90; 90; 90;  

COD ID: 7704787
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 436.6
Cell parameters: 8.8572; 8.8572; 5.5653; 90; 90; 90;  

COD ID: 7704788
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 437.06
Cell parameters: 8.862; 8.862; 5.5652; 90; 90; 90;  

COD ID: 7704789
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 440.05
Cell parameters: 8.8891; 8.8891; 5.5691; 90; 90; 90;  

COD ID: 7704790
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 439.15
Cell parameters: 8.8868; 8.8868; 5.5606; 90; 90; 90;  

COD ID: 7704791
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 437.83
Cell parameters: 8.87; 8.87; 5.5649; 90; 90; 90;  

COD ID: 7704792
CIF file Formula: - H8 N2 O8 V3 -
Comments: Yao, Zhi-Yuan; Zhang, Guo-Qin; Yao, Wan-Wan; Wang, Xiao-Zu; Qian, Yin; Ren, Xiao-Ming Uniaxial thermal expansion behaviors and ionic conduction in a layered (NH<sub>4</sub>)<sub>2</sub>V<sub>3</sub>O<sub>8</sub>. Dalton transactions (Cambridge, England : 2003) 49(30) (2020) 10638-10644
Space group: P 4 b m
Cell volume: 439.46
Cell parameters: 8.8884; 8.8884; 5.5625; 90; 90; 90;  

COD ID: 8103812
CIF file Formula: - Ba2 O8 Si2 V -
Comments: Hoeche, T.; Esmaeilzadeh, S.; Withers, R.L.; Schirmer, H. Structural studies on the fresnoite type compound Ba2 V Si2 O8 Zeitschrift fuer Kristallographie (149,1979-) 218 (2003) 788-794
Space group: P 4 b m
Cell volume: 377.797
Cell parameters: 8.483; 8.483; 5.25; 90; 90; 90;  

COD ID: 8103855
CIF file Formula: - N11 Pr3 Si6 -
Comments: Schlieper, T.; Schnick, W. Crystal structure of tripraseodymium hexasiliconundeanitride, Pr3 Si6 N11 Zeitschrift fuer Kristallographie (149,1979-) 211 (1996) 254-254
Space group: P 4 b m
Cell volume: 493.937
Cell parameters: 10.099; 10.099; 4.843; 90; 90; 90;  

COD ID: 8104140
CIF file Formula: - K1.8 Li1.7 Nb5 O15 Pb0.75 -
Comments: Elaatmani, M.; Zegzouti, A.; Capitelli, F.; Moliterni, A.G.G.; Calestani, G.; Migliori, A. Synthesis, X-ray crystal structure and dielectric measurements of a tetragonal tungsten bronze: Pb0.75 K1.80 Li1.70 Nb5 O15 Zeitschrift fuer Kristallographie (149,1979-) 218 (2003) 26-31
Space group: P 4 b m
Cell volume: 634.825
Cell parameters: 12.54; 12.54; 4.037; 90; 90; 90;  

COD ID: 9008188
CIF file Formula: - Ba2 O8 Si2 Ti -
Comments: Moore, P. B.; Louisnathan, S. J. The crystal structure of fresnoite, Ba2(TiO)Si2O7 Positive polarity Zeitschrift fur Kristallographie 130 (1969) 438-448
Space group: P 4 b m
Cell volume: 378.091
Cell parameters: 8.518; 8.518; 5.211; 90; 90; 90;  

COD ID: 9008189
CIF file Formula: - Ba2 O8 Si2 Ti -
Comments: Moore, P. B.; Louisnathan, S. J. The crystal structure of fresnoite, Ba2(TiO)Si2O7 Negative polarity Zeitschrift fur Kristallographie 130 (1969) 438-448
Space group: P 4 b m
Cell volume: 378.091
Cell parameters: 8.518; 8.518; 5.211; 90; 90; 90;  

COD ID: 9017769
CIF file Formula: - K Nb0.96 O7 Si2 Ti0.02 Zr0.01 -
Comments: Sharygin, V. V.; Doroshkevich, A. G.; Seryotkin, Y. V.; Karmanov, N. S.; Belogub, E. V.; Moroz, T. N.; Nigmatulina, E. N.; Yelisseyev, A. P.; Vedenyapin, V. N.; Kupriyanov, I. N. Rippite, K2(Nb,Ti)2(Si4O12)O(O,F), a new K-Nb-cyclosilicate from Chuktukon Carbonatite Massif, Chadobets Upland, Krasnoyarsk Territory, Russia Minerals 10 (2020) -1102
Space group: P 4 b m
Cell volume: 620.692
Cell parameters: 8.73885; 8.73885; 8.1277; 90; 90; 90;  


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