Crystallography Open Database
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Searching space group like 'P -4 21 m'
COD ID  |
Links | Formula  |
Space group |
Cell parameters | Cell volume |
Bibliography |
|---|---|---|---|---|---|---|
| 7707971 | CIF | C24 H40 Cl2 Cu2 N2 O2 P2 | P -4 21 m | 13.1203; 13.1203; 8.6767 90; 90; 90 | 1493.63 | Delaney, Andie R.; Yu, Li-Juan; Coote, Michelle L.; Colebatch, Annie L. Synthesis of an expanded pincer ligand and its bimetallic coinage metal complexes. Dalton transactions (Cambridge, England : 2003), 2021, 50, 11909-11917 |
| 7707975 | CIF | C24 H40 Cu2 I2 N2 O2 P2 | P -4 21 m | 13.1956; 13.1956; 8.8786 90; 90; 90 | 1545.98 | Delaney, Andie R.; Yu, Li-Juan; Coote, Michelle L.; Colebatch, Annie L. Synthesis of an expanded pincer ligand and its bimetallic coinage metal complexes. Dalton transactions (Cambridge, England : 2003), 2021, 50, 11909-11917 |
| 7711733 | CIF | C74 H88 Cl5 Cu4 N12 Na O34 | P -4 21 m | 25.0069; 25.0069; 8.2746 90; 90; 90 | 5174.5 | Gogia, Alisha; Khullar, Sadhika; Chanda, Alokananda; Mandal, Sanjay K. Effect of the flexible chain length of a dimetal subunit on the formation of 1D coordination polymers to molecular rectangles Dalton Transactions, 2022 |
| 7712999 | CIF | C3 H15 Br4 Cu N6 | P -4 21 m | 13.4047; 13.4047; 8.4141 90; 90; 90 | 1511.9 | Belikova, Daria E.; Fateev, Sergey A.; Khrustalev, Victor N.; Marchenko, Ekaterina I.; Goodilin, Eugene A.; Wang, Shenghao; Tarasov, Alexey B. Exceptional structural diversity of hybrid halocuprates(I) with methylammonium and formamidinium cations. Dalton transactions (Cambridge, England : 2003), 2023 |
| 7713572 | CIF | C14 H32 Br4 Mn N2 | P -4 21 m | 12.8275; 12.8275; 14.194 90; 90; 90 | 2335.55 | Wu, Ling-Kun; Zou, Qing-Hua; Yao, Hai-Quan; Ye, Heng-Yun; Li, Jian-Rong Zero-Dimensional Organic-Inorganic Hybrid Manganese Bromide with Coexistence of Dielectric−Thermal Double Switches and Efficient Photoluminescence Dalton Transactions, 2023 |
| 7715889 | CIF | C19 H68 B17 Mg N9 O28 | P -4 21 m | 16.1163; 16.1163; 10.0685 90; 90; 90 | 2615.1 | Volkov, Sergey; Yukhno, Valentina; Banaru, Alexander; Deyneko, Dina; Aksenov, Sergey; Charkin, Dmitri; Povolotskiy, Alexey; Savchenko, Yevgeny; Antonov, Andrey; Krzhizhanovskaya, Maria; Ugolkov, Valery; Firsova, Vera; Vaitieva, Yulia; Boldyrev, Kirill; Bubnova, Rimma Magnesium cations as templates for the self-assembly of supramolecular luminescent {Mg@[B<sub>18</sub>φ<sub>34-35</sub>]}-clusters. Dalton transactions (Cambridge, England : 2003), 2024, 53, 8112-8117 |
| 8102078 | CIF | C5 H5 N3 O7 | P -4 21 m | 13.113; 13.113; 4.941 90; 90; 90 | 849.6 | Tang, F.-Y.; She, J.-B.; Li, J.-Z.; Zhang, G.-F.; Zahn, G. Crystal structure of 4-oxo-3,5-dinitropyridine-N-hydroxide monohydrate, C~5~NH~2~(NO~2~)~2~O(OH) · H~2~O Zeitschrift für Kristallographie - New Crystal Structures, 2006, 221, 539-540 |
| 8103583 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8258; 7.8258; 5.0148 90; 90; 90 | 307.122 | Riester, M.; Boehm, H.; Petricek, V. The commensurately modulated structure of the lock-in phase of synthetic Co-akermanite, Ca2 Co Si2 O7 Zeitschrift fuer Kristallographie (149,1979-), 2000, 215, 102-109 |
| 8103931 | CIF | Ga3 La O7 Sr | P -4 21 m | 8.056; 8.056; 5.3332 90; 90; 90 | 346.12 | Steins, M.; Schmitz, W.; Doerschel, J.; Uecker, R. Crystal structure of strontium lanthanum trigallium heptoxide, (Sr0.5 La0.5)2 Ga3 O7 Zeitschrift fuer Kristallographie - New Crystal Structures, 1997, 212, 76-76 |
| 8104753 | CIF | C17 H30 N2 | P -4 21 m | 8.6755; 8.6755; 11.1611 90; 90; 90 | 840.03 | Hosten, Eric C.; Betz, Richard The crystal structure of N-(4-(cyclohexylimino)pent-2-en-2-yl)cyclohexanamine, C17H30N2 Zeitschrift für Kristallographie - New Crystal Structures, 2021, 236, 515-517 |
| 8106278 | CIF | B3 H1.4 In1.2 O7 | P -4 21 m | 6.6969; 6.6969; 4.4865 90; 90; 90 | 201.21 | Vitzthum, Daniela; Huppertz, Hubert The crystal structure of In1.2B3O5.6(OH)1.4 Zeitschrift für Kristallographie - New Crystal Structures, 2018, 233, 733-734 |
| 9000055 | CIF | Al0.4 Ca1.7 K0.1 Mg0.5 Na0.2 O7 Si2 | P -4 21 m | 7.789; 7.789; 5.018 90; 90; 90 | 304.435 | Smith, J. V. Reexamination of the crystal structure of melilite American Mineralogist, 1953, 38, 643-661 |
| 9001284 | CIF | Ca2 Ge2 O7 Zn | P -4 21 m | 7.95; 7.95; 5.186 90; 90; 90 | 327.768 | Armbruster, T.; Rothlisberger, F.; Seifert, F. Layer topology, stacking variation and site distortion in melilite-related compounds in the system CaO-ZnO-GeO2-SiO2 high-temperature polymorph Ca2ZnGe2O7 American Mineralogist, 1990, 75, 847-858 |
| 9001287 | CIF | Al2 Cl K3 O10 Si3 | P -4 21 m | 9.7553; 9.7553; 6.4877 90; 90; 90 | 617.408 | Ghose, S.; Yang, H.; Weidner, J. R. Crystal growth and structure of K2Al2Si3O10*KCl: A new anhydrous zeolite-type phase with the edingtonite framework American Mineralogist, 1990, 75, 947-950 |
| 9002500 | CIF | B2 Ca2 O7 Si | P -4 21 m | 7.1248; 7.1248; 4.8177 90; 90; 90 | 244.56 | Giuli, G.; Bindi, L.; Bonazzi, P. Rietveld refinement of okayamalite, Ca2SiB2O7: Structural evidence for the B/Si ordered distribution American Mineralogist, 2000, 85, 1512-1515 |
| 9002568 | CIF | Al0.07 Ca1.86 Fe0.02 Mg0.03 Mn0.04 Na0.14 O7 Si2 Zn0.85 | P -4 21 m | 7.8; 7.8; 5 90; 90; 90 | 304.2 | Bindi, L.; Bonazzi, P.; Rothlisberger, F. Hardystonite from Franklin Furnace: A natural modulated melilite American Mineralogist, 2001, 86, 747-751 |
| 9003439 | CIF | Al1.96 Ba0.94 H8 O13.54 Si3.04 | P -4 21 m | 9.5909; 9.5909; 6.5339 90; 90; 90 | 601.023 | Gatta, G. D.; Ballaran, T. B.; Comodi, P.; Zanazzi, P. F. Isothermal equation of state and compressional behavior of tetragonal edingtonite Sample at P = 0.0001 GPa in air American Mineralogist, 2004, 89, 633-639 |
| 9003440 | CIF | Al1.96 Ba0.91 H8 O13.32 Si3.04 | P -4 21 m | 9.5909; 9.5909; 6.5339 90; 90; 90 | 601.023 | Gatta, G. D.; Ballaran, T. B.; Comodi, P.; Zanazzi, P. F. Isothermal equation of state and compressional behavior of tetragonal edingtonite Sample at P = 0.0001 GPa in diamond cell American Mineralogist, 2004, 89, 633-639 |
| 9003441 | CIF | Al1.96 Ba0.88 H8 O13.32 Si3.04 | P -4 21 m | 9.4669; 9.4669; 6.4765 90; 90; 90 | 580.438 | Gatta, G. D.; Ballaran, T. B.; Comodi, P.; Zanazzi, P. F. Isothermal equation of state and compressional behavior of tetragonal edingtonite Sample at P = 2.285 GPa American Mineralogist, 2004, 89, 633-639 |
| 9003442 | CIF | Al1.96 Ba0.89 H7.68 O13.32 Si3.04 | P -4 21 m | 9.3466; 9.3466; 6.42705 90; 90; 90 | 561.46 | Gatta, G. D.; Ballaran, T. B.; Comodi, P.; Zanazzi, P. F. Isothermal equation of state and compressional behavior of tetragonal edingtonite Sample at P = 4.611 GPa American Mineralogist, 2004, 89, 633-639 |
| 9004071 | CIF | Al0.729 Ca0.968 O5.265 Si0.488 | P -4 21 m | 7.716; 7.716; 5.089 90; 90; 90 | 302.982 | Louisnathan S J Refinement of the crystal structure of a natural gehlenite, Ca2Al(Al,Si)2O7 The Canadian Mineralogist, 1971, 10, 822-837 |
| 9005464 | CIF | Al0.47 Ca0.84 Fe0.29 Mg0.19 Mn0.03 Na0.71 O7 Si1.99 Sr0.45 Ti0.01 Zn0.02 | P -4 21 m | 7.754; 7.754; 5.101 90; 90; 90 | 306.695 | Bindi, L.; Bonazzi, P.; Fitton, J. G. Crystal chemistry of strontian soda melilite from nephelinite lava of Mt. Etinde, Cameroon Sample: ET1 European Journal of Mineralogy, 2001, 13, 121-125 |
| 9005465 | CIF | Al0.46 Ca0.83 Fe0.29 Mg0.2 Mn0.03 Na0.72 O7 Si1.99 Sr0.45 Ti0.02 Zn0.01 | P -4 21 m | 7.764; 7.764; 5.095 90; 90; 90 | 307.125 | Bindi, L.; Bonazzi, P.; Fitton, J. G. Crystal chemistry of strontian soda melilite from nephelinite lave of Mt. Etinde, Cameroon Sample: ET2 European Journal of Mineralogy, 2001, 13, 121-125 |
| 9006112 | CIF | Al2.06 Ca2 O7 Si0.95 | P -4 21 m | 7.685; 7.685; 5.0636 90; 90; 90 | 299.052 | Swainson, I. P.; Dove, M. T.; Schmahl, W. W.; Putnis, A. Neutron powder diffraction study of the akermanite-gehlenite solid solution series Sample: O% Ak Physics and Chemistry of Minerals, 1992, 19, 185-195 |
| 9006113 | CIF | Al1.54 Ca2 Mg0.21 O7 Si1.24 | P -4 21 m | 7.7115; 7.7115; 5.0498 90; 90; 90 | 300.298 | Swainson, I. P.; Dove, M. T.; Schmahl, W. W.; Putnis, A. Neutron powder diffraction study of the akermanite-gehlenite solid solution series Sample: 25% Ak Physics and Chemistry of Minerals, 1992, 19, 185-195 |
| 9006114 | CIF | Al0.99 Ca2 Mg0.46 O7 Si1.52 | P -4 21 m | 7.7475; 7.7475; 5.0359 90; 90; 90 | 302.274 | Swainson, I. P.; Dove, M. T.; Schmahl, W. W.; Putnis, A. Neutron powder diffraction study of the akermanite-gehlenite solid solution series Sample: 50% Ak Physics and Chemistry of Minerals, 1992, 19, 185-195 |
| 9006115 | CIF | Al0.51 Ca2 Mg0.71 O7 Si1.74 | P -4 21 m | 7.7853; 7.7853; 5.0211 90; 90; 90 | 304.333 | Swainson, I. P.; Dove, M. T.; Schmahl, W. W.; Putnis, A. Neutron powder diffraction study of the akermanite-gehlenite solid solution series Sample: 75% Ak Physics and Chemistry of Minerals, 1992, 19, 185-195 |
| 9006116 | CIF | Ca2 Mg0.96 O7 Si2 | P -4 21 m | 7.8288; 7.8288; 5.0052 90; 90; 90 | 306.769 | Swainson, I. P.; Dove, M. T.; Schmahl, W. W.; Putnis, A. Neutron powder diffraction study of the akermanite-gehlenite solid solution series Sample: 100% Ak Physics and Chemistry of Minerals, 1992, 19, 185-195 |
| 9006448 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8338; 7.8338; 5.0082 90; 90; 90 | 307.345 | Yang, H.; Hazen, R. M.; Downs, R. T.; Finger, L. W. Structural change associated with the incommensurate-normal phase transition in akermanite, Ca2MgSi2O7, at high pressure Sample: P = 0.0 GPa Physics and Chemistry of Minerals, 1997, 24, 510-519 |
| 9006449 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8154; 7.8154; 4.9919 90; 90; 90 | 304.908 | Yang, H.; Hazen, R. M.; Downs, R. T.; Finger, L. W. Structural change associated with the incommensurate-normal phase transition in akermanite, Ca2MgSi2O7, at high pressure Sample: P = 0.80 GPa Physics and Chemistry of Minerals, 1997, 24, 510-519 |
| 9006450 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8071; 7.8071; 4.9821 90; 90; 90 | 303.663 | Yang, H.; Hazen, R. M.; Downs, R. T.; Finger, L. W. Structural change associated with the incommensurate-normal phase transition in akermanite, Ca2MgSi2O7, at high pressure Sample: P = 1.25 GPa Physics and Chemistry of Minerals, 1997, 24, 510-519 |
| 9006451 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8046; 7.8046; 4.9772 90; 90; 90 | 303.17 | Yang, H.; Hazen, R. M.; Downs, R. T.; Finger, L. W. Structural change associated with the incommensurate-normal phase transition in akermanite, Ca2MgSi2O7, at high pressure Sample: P = 1.37 GPa Physics and Chemistry of Minerals, 1997, 24, 510-519 |
| 9006452 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.7937; 7.7937; 4.9696 90; 90; 90 | 301.862 | Yang, H.; Hazen, R. M.; Downs, R. T.; Finger, L. W. Structural change associated with the incommensurate-normal phase transition in akermanite, Ca2MgSi2O7, at high pressure Sample: P = 1.80 GPa Physics and Chemistry of Minerals, 1997, 24, 510-519 |
| 9006453 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.7677; 7.7677; 4.9495 90; 90; 90 | 298.639 | Yang, H.; Hazen, R. M.; Downs, R. T.; Finger, L. W. Structural change associated with the incommensurate-normal phase transition in akermanite, Ca2MgSi2O7, at high pressure Sample: P = 2.78 GPa Note: O2-z changed to match reported bond lengths Physics and Chemistry of Minerals, 1997, 24, 510-519 |
| 9006454 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.7494; 7.7494; 4.9328 90; 90; 90 | 296.23 | Yang, H.; Hazen, R. M.; Downs, R. T.; Finger, L. W. Structural change associated with the incommensurate-normal phase transition in akermanite, Ca2MgSi2O7, at high pressure Sample: P = 3.79 GPa Physics and Chemistry of Minerals, 1997, 24, 510-519 |
| 9006926 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8444; 7.8444; 5.0265 90; 90; 90 | 309.304 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 297 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006927 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8507; 7.8507; 5.0281 90; 90; 90 | 309.899 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 393 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006928 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8563; 7.8563; 5.0294 90; 90; 90 | 310.422 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 468 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006929 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.859; 7.859; 5.026 90; 90; 90 | 310.425 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 493 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006930 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8591; 7.8591; 5.0258 90; 90; 90 | 310.421 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 503 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006931 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8615; 7.8615; 5.0268 90; 90; 90 | 310.672 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 533 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006932 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8656; 7.8656; 5.0289 90; 90; 90 | 311.126 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 573 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006933 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8732; 7.8732; 5.0336 90; 90; 90 | 312.019 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 673 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006934 | CIF | Ca2 Co O7 Si2 | P -4 21 m | 7.8815; 7.8815; 5.0387 90; 90; 90 | 312.994 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 773 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006935 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8348; 7.8348; 5.0087 90; 90; 90 | 307.454 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 297 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006936 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8387; 7.8387; 5.0079 90; 90; 90 | 307.712 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 348 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006937 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8387; 7.8387; 5.0072 90; 90; 90 | 307.668 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 359.4 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006938 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8398; 7.8398; 5.0058 90; 90; 90 | 307.669 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 359.7 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006939 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8436; 7.8436; 5.007 90; 90; 90 | 308.041 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 413 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006940 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.847; 7.847; 5.0097 90; 90; 90 | 308.474 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 463 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006941 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.8509; 7.8509; 5.0127 90; 90; 90 | 308.966 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 513 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006942 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8679; 7.8679; 5.0144 90; 90; 90 | 310.411 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 297 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006943 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8743; 7.8743; 5.0155 90; 90; 90 | 310.984 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 383 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006944 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8776; 7.8776; 5.0153 90; 90; 90 | 311.232 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 423 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006945 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8868; 7.8868; 5.0171 90; 90; 90 | 312.072 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 503 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006946 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8855; 7.8855; 5.017 90; 90; 90 | 311.963 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 523 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006947 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8859; 7.8859; 5.0179 90; 90; 90 | 312.05 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 543 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006948 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8875; 7.8875; 5.0191 90; 90; 90 | 312.252 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 573 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006949 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8958; 7.8958; 5.0223 90; 90; 90 | 313.109 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 673 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9006950 | CIF | Ca2 Fe0.45 Mg0.55 O7 Si2 | P -4 21 m | 7.8989; 7.8989; 5.0237 90; 90; 90 | 313.442 | Kusaka, K.; Hagiya, K.; Ohmasa, M.; Okano, Y.; Mukai, M.; Iishi, K.; Haga, N. Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 773 K Melilite group Physics and Chemistry of Minerals, 2001, 28, 150-166 |
| 9007360 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.826; 7.826; 5.004 90; 90; 90 | 306.476 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 298 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007361 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.83; 7.83; 5.002 90; 90; 90 | 306.667 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 348 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007362 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.832; 7.832; 5.003 90; 90; 90 | 306.885 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 359 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007363 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.833; 7.833; 5.004 90; 90; 90 | 307.025 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 373 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007364 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.838; 7.838; 5.006 90; 90; 90 | 307.54 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 413 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007365 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.845; 7.845; 5.011 90; 90; 90 | 308.397 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 463 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007366 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.852; 7.852; 5.019 90; 90; 90 | 309.441 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 513 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007367 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.857; 7.857; 5.022 90; 90; 90 | 310.02 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 573 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007368 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.868; 7.868; 5.027 90; 90; 90 | 311.199 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 673 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9007369 | CIF | Al0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02 | P -4 21 m | 7.879; 7.879; 5.032 90; 90; 90 | 312.38 | Bindi, L.; Bonazzi, P. Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 773 K Note: xO1 and yO1 corrected by authors Physics and Chemistry of Minerals, 2005, 32, 89-96 |
| 9008187 | CIF | Ca2 O7 Si2 Zn | P -4 21 m | 7.8279; 7.8279; 5.0138 90; 90; 90 | 307.226 | Louisnathan, S. J. Refinement of the crystal structure of hardystonite, Ca2ZnSi2O7 Zeitschrift fur Kristallographie, 1969, 130, 427-437 |
| 9008195 | CIF | Al Ca Na O7 Si2 | P -4 21 m | 7.6344; 7.6344; 5.0513 90; 90; 90 | 294.41 | Louisnathan, S. J. The crystal structure of synthetic soda melilite, CaNaAlSi2O7 Zeitschrift fur Kristallographie, 1970, 131, 314-321 |
| 9009316 | CIF | Al1.95 Ba0.928 H7.404 K0.048 O13.702 Si3.065 | P -4 21 m | 9.581; 9.581; 6.526 90; 90; 90 | 599.058 | Mazzi, F.; Galli, E.; Gottardi, G. Crystal structure refinement of two tetragonal edingtonites Neues Jahrbuch fur Mineralogie, Monatshefte, 1984, 1984, 373-382 |
| 9009317 | CIF | Al1.94 Ba0.879 H7.5 K0.025 Na0.03 O13.75 Si3.06 | P -4 21 m | 9.584; 9.584; 6.524 90; 90; 90 | 599.249 | Mazzi, F.; Galli, E.; Gottardi, G. Crystal structure refinement of two tetragonal edingtonites Neues Jahrbuch fur Mineralogie, Monatshefte, 1984, 1984, 373-382 |
| 9009412 | CIF | Be Ca2 O7 Si2 | P -4 21 m | 7.433; 7.433; 4.997 90; 90; 90 | 276.082 | Yang, Z.; Fleck, M.; Pertlik, F.; Tillmanns, E.; Tao, K. The crystal structure of natural gugiaite, Ca2BeSi2O7 Locality: skarn rocks in the Gugia alkaline complex, Liaoning Province, China Note, z coordinate of Ca is altered to reproduce reported Ca-O bond lengths Neues Jahrbuch fur Mineralogie, Monatshefte, 2001, 2001, 186-192 |
| 9009730 | CIF | Ca2 Fe0.446 Mg0.554 O7 Si2 | P -4 21 m | 7.8679; 7.8679; 5.0144 90; 90; 90 | 310.411 | Kusaka, K.; Ohmasa, M.; Hagiya, K.; Iishi, K.; Haga, N. On variety of the Ca coordination in the incommensurate structure of synthetic iron-bearing akermanite, Ca2(Mg0.55,Fe0.45)Si2O7 Note: Sample is synthetic, this is the structure obtained from a standard refinement Mineralogical Journal, 1998, 20, 47-58 |
| 9009856 | CIF | Cu3 Se2 | P -4 21 m | 6.4024; 6.4024; 4.2786 90; 90; 90 | 175.383 | Heyding, R. D.; Murray, R. M. Crystal structures of Cu1.8Se, Cu3Se2, alpha- and gamma=CuSe, CuSe2, and CuSe2II Locality: Beaverlodge Region, Saskatchewan, Canada Canadian Journal of Chemistry, 1976, 54, 841-848 |
| 9010520 | CIF | Al1.91 Ca2 Fe0.02 Mg0.05 O7 Si1.02 | P -4 21 m | 7.716; 7.716; 5.089 90; 90; 90 | 302.982 | Louisnathan, S. J. Refinement of the crystal structure of a natural gehlenite, Ca2Al(Al,Si)2O7 The Canadian Mineralogist, 1971, 10, 822-837 |
| 9013636 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.74; 7.74; 4.932 90; 90; 90 | 295.464 | Merlini, M.; Gemmi, M.; Hanfland, M.; Crichton, W. High-pressure behavior of akermanite and gehlenite and phase stability of the normal structures in melelites Note: P = 5 GPa American Mineralogist, 2009, 94, 704-709 |
| 9013637 | CIF | Ca2 Mg O7 Si2 | P -4 21 m | 7.57; 7.57; 4.781 90; 90; 90 | 273.975 | Merlini, M.; Gemmi, M.; Hanfland, M.; Crichton, W. High-pressure behavior of akermanite and gehlenite and phase stability of the normal structures in melelites Note: P = 15 GPa American Mineralogist, 2009, 94, 704-709 |
| 9014399 | CIF | Ba2 Cu O7 Si2 | P -4 21 m | 8.284; 8.284; 5.313 90; 90; 90 | 364.603 | Du, J. M.; Zeng, H. Y.; Song, L. J.; Dong, Z. C.; Ma, H. W.; Guo, G. C.; Huang, J. S. Synthesis and structure of a new polymorph Ba2CuSi2O7 Note: known as beta-Ba2CuSi2O7 Jiegou Huaxue, 2003, 22, 33-36 |
| 9014854 | CIF | Al0.66 Ca1.96 Fe0.12 Mg0.24 Na0.04 O7 Si1.3 | P -4 21 m | 7.738; 7.738; 5.045 90; 90; 90 | 302.078 | Mokeeva, V.; Makarov, E. Isomorph in melilites: refining of crystal structure of akermanite and intermediate melilite Geokhimiya, 1979, 10, 1541-1544 |
| 9015368 | CIF | Al0.41 Ca1.5 Fe0.16 Mg0.39 Na0.5 O7 Si2 | P -4 21 m | 7.76; 7.76; 5.029 90; 90; 90 | 302.834 | Mokeeva, V.; Makarov, E. Isomorph in melilites: refining of crystal structure of akermanite and intermediate melilite Geokhimiya, 1979, 10, 1541-1544 |
| 9017316 | CIF | C H4 N2 O | P -4 21 m | 5.584; 5.584; 4.689 90; 90; 90 | 146.208 | Swaminathan, S.; Craven, B. M. The crystal structure and molecular thermal motion of urea at 12, 60 and 123 K from neutron diffraction Note: neutron data, T = 123 K Acta Crystallographica, Section B, 1984, 40, 300-306 |
| 9017317 | CIF | C H4 N2 O | P -4 21 m | 5.57; 5.57; 4.688 90; 90; 90 | 145.445 | Swaminathan, S.; Craven, B. M. The crystal structure and molecular thermal motion of urea at 12, 60 and 123 K from neutron diffraction Note: neutron data, T = 60 K Acta Crystallographica, Section B, 1984, 40, 300-306 |
| 9017318 | CIF | C H4 N2 O | P -4 21 m | 5.565; 5.565; 4.684 90; 90; 90 | 145.06 | Swaminathan, S.; Craven, B. M. The crystal structure and molecular thermal motion of urea at 12, 60 and 123 K from neutron diffraction Note: neutron data, T = 12 K Acta Crystallographica, Section B, 1984, 40, 300-306 |
| 9017542 | CIF | Al0.5 Ca1.52 Fe0.3 Mg0.2 Na0.48 O7 Si2 | P -4 21 m | 7.7661; 7.7661; 5.0297 90; 90; 90 | 303.353 | Wiedenmann, D.; Zaitsev, A. N.; Britvin, S. N.; Krivovichev, S. V.; Keller, J. Alumoakermanite, (Ca,Na)2(Al,Mg,Fe2+)(Si2O7), a new mineral from the active carbonatite-nephelinite-phonolite volcano Oldoinyo Lengai, northern Tanzania Mineralogical Magazine, 2009, 73, 373-384 |
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