Crystallography Open Database

Information card for entry 2021255

2021254 << 2021255 >> 2021256

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Structure parameters

Chemical name	Diammonium tris(4-ethylpyridine)hexaformatooxidotrichromium α-silicododecatungstate
Formula	C54 H80 Cr6 N8 O69 Si W12
Calculated formula	C54 Cr6 N8 O69 Si W12
Title of publication	Effect of the ammonium ion on proton conduction in porous ionic crystals based on Keggin-type silicododecatungstate
Authors of publication	Miyazawa, Satoru; Hosono, Reina; Osuga, Ryota; Kondo, Junko Nomura; Uchida, Sayaka
Journal of publication	Acta Crystallographica Section C
Year of publication	2018
Journal volume	74
Journal issue	11
a	32.303 ± 0.004 Å
b	25.546 ± 0.003 Å
c	13.561 ± 0.002 Å
α	90°
β	110.885 ± 0.006°
γ	90°
Cell volume	10455 ± 2 Å³
Cell temperature	93 K
Ambient diffraction temperature	93 K
Number of distinct elements	7
Space group number	15
Hermann-Mauguin space group symbol	C 1 2/c 1
Hall space group symbol	-C 2yc
Residual factor for all reflections	0.0686
Residual factor for significantly intense reflections	0.0577
Weighted residual factors for significantly intense reflections	0.1558
Weighted residual factors for all reflections included in the refinement	0.175
Goodness-of-fit parameter for all reflections included in the refinement	1.111
Diffraction radiation wavelength	0.71075 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	Yes

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