Crystallography Open Database

Information card for entry 2311688

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Structure parameters

Chemical name	maleic acid
Formula	C4 H4 O4
Calculated formula	C4 H4 O4
SMILES	O=C(O)/C=C\C(=O)O
Title of publication	Structure-forming units of amino acid maleates. Case study of L-valinium hydrogen maleate.
Authors of publication	Rychkov, Denis; Arkhipov, Sergey; Boldyreva, Elena
Journal of publication	Acta crystallographica Section B, Structural science, crystal engineering and materials
Year of publication	2016
Journal volume	72
Journal issue	Pt 1
Pages of publication	160 - 163
a	7.1511 ± 0.0008 Å
b	10.1107 ± 0.0011 Å
c	7.6405 ± 0.001 Å
α	90°
β	119.405 ± 0.008°
γ	90°
Cell volume	481.26 ± 0.11 Å³
Cell temperature	298 K
Ambient diffraction temperature	298 K
Number of distinct elements	3
Space group number	14
Hermann-Mauguin space group symbol	P 1 21/c 1
Hall space group symbol	-P 2ybc
Residual factor for all reflections	0.0784
Residual factor for significantly intense reflections	0.0416
Weighted residual factors for significantly intense reflections	0.0944
Weighted residual factors for all reflections included in the refinement	0.1066
Goodness-of-fit parameter for all reflections included in the refinement	0.842
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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