Crystallography Open Database

Information card for entry 2312758

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Coordinates	2312758.cif
Original IUCr paper	HTML

Structure parameters

Chemical name	Dirubidium dicalcium pyrosilicate
Formula	Ca2 O7 Rb2 Si2
Calculated formula	Ca2 O7 Rb2 Si2
Title of publication	Rb<sub>2</sub>Ca<sub>2</sub>Si<sub>2</sub>O<sub>7</sub>: a new alkali alkaline-earth silicate based on [Si<sub>2</sub>O<sub>7</sub>]<sup>6-</sup> anions.
Authors of publication	Kahlenberg, Volker
Journal of publication	Acta crystallographica. Section C, Structural chemistry
Year of publication	2025
Journal volume	81
Journal issue	3
a	5.7281 ± 0.0006 Å
b	13.8361 ± 0.0013 Å
c	9.9233 ± 0.0011 Å
α	90°
β	90°
γ	90°
Cell volume	786.47 ± 0.14 Å³
Cell temperature	193 ± 2 K
Ambient diffraction temperature	193 ± 2 K
Number of distinct elements	4
Space group number	59
Hermann-Mauguin space group symbol	P m m n :2
Hall space group symbol	-P 2ab 2a
Residual factor for all reflections	0.0391
Residual factor for significantly intense reflections	0.029
Weighted residual factors for significantly intense reflections	0.0621
Weighted residual factors for all reflections included in the refinement	0.0668
Goodness-of-fit parameter for all reflections included in the refinement	1.067
Diffraction radiation probe	x-ray
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
297815 (current)	2025-02-21	cif/ Adding structures of 2312757, 2312758 via cif-deposit CGI script.	2312758.cif