Crystallography Open Database

Information card for entry 7221278

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Coordinates	7221278.cif

Structure parameters

Chemical name	K2 Sr (Ta2 O7)
Formula	K2 O7 Sr Ta2
Calculated formula	K2 O7 Sr Ta2
Title of publication	The layered perovskite K2 Sr Ta2 O7: hydration and K(+)/H(+) ion exchange
Authors of publication	Crosnier-Lopez, M.P.; le Berre, F.; Fourquet, J.L.
Journal of publication	Journal of Materials Chemistry
Year of publication	2001
Journal volume	11
Pages of publication	1146 - 1151
a	3.9858 Å
b	3.9858 Å
c	21.785 Å
α	90°
β	90°
γ	90°
Cell volume	346.09 Å³
Number of distinct elements	4
Space group number	139
Hermann-Mauguin space group symbol	I 4/m m m
Hall space group symbol	-I 4 2
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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