Crystallography Open Database

Information card for entry 1011136

Preview

Coordinates	1011136.cif

Structure parameters

Chemical name	Sodium potassium calcium cerium iron(III) niobium oxide hydroxide fluoride (.38/.25/1.13/.25/.38/1.63/5.95/.8/.25)
Mineral name	Pyrochlore
Formula	Ca1.125 Ce0.25 F0.25 Fe0.38 H0.8 K0.25 Na0.375 Nb1.63 O6.75
Calculated formula	Ca1.125 Ce0.25 F0.25 Fe0.375 H0.575 K0.25 Na0.375 Nb1.625 O6.75
Title of publication	Die Kristallstruktur des Koppit
Authors of publication	Brandenberger, E
Journal of publication	Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977)
Year of publication	1931
Journal volume	76
Pages of publication	322 - 334
a	10.39 ± 0.01 Å
b	10.39 ± 0.01 Å
c	10.39 ± 0.01 Å
α	90°
β	90°
γ	90°
Cell volume	1121.6 Å³
Number of distinct elements	9
Space group number	227
Hermann-Mauguin space group symbol	F d -3 m :1
Hall space group symbol	F 4d 2 3 -1d
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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