Crystallography Open Database

Information card for entry 2012741

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Structure parameters

Chemical name	potassium zinc hydrogen pyrophosphate dihydrate
Formula	H5 K O9 P2 Zn
Calculated formula	H5 K O9 P2 Zn
Title of publication	KZn(HP~2~O~7~)·2H~2~O and KMn(HP~2~O~7~)·2H~2~O: acid pyrophosphate metallates(II) with layer structures
Authors of publication	Assaaoudi, Hassane; Ennaciri, Abdelaziz; Harcharras, Mohamed; El Bali, Brahim; Reinauer, Felix; Glaum, Robert; Rulmont, André; Spirlet, Marie-Rose
Journal of publication	Acta Crystallographica Section C
Year of publication	2002
Journal volume	58
Journal issue	6
Pages of publication	i79 - i81
a	15.4727 ± 0.0012 Å
b	7.782 ± 0.0009 Å
c	6.5009 ± 0.0007 Å
α	90°
β	90°
γ	90°
Cell volume	782.76 ± 0.14 Å³
Cell temperature	293 ± 2 K
Ambient diffraction temperature	293 ± 2 K
Number of distinct elements	5
Space group number	62
Hermann-Mauguin space group symbol	P n m a
Hall space group symbol	-P 2ac 2n
Residual factor for all reflections	0.0278
Residual factor for significantly intense reflections	0.0252
Weighted residual factors for significantly intense reflections	0.0645
Weighted residual factors for all reflections included in the refinement	0.0661
Goodness-of-fit parameter for all reflections included in the refinement	1.108
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	Yes

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