Crystallography Open Database





Information card for 1100666

1100665 << 1100666 >> 1100667

Preview



Coordinates

1100666.cif

Structure parameters

Formula - C12 H10 O4 -
Calculated formula - C12 H10 O4 -
Title of publication Crystal Structure of ethyl-2H-1-benzopyran-2-oxo-3-carboxylate
Authors of publication M. Mahendra, B. H. Doreswamy, M. A. Sridhar, J. S. Prasad
a 7.916 ± 0.001 Å
b 15.736 ± 0.002 Å
c 8.737 ± 0.0008 Å
α 90°
β 108.11 ± 0.006°
γ 90°
Cell volume 1034.4 ± 0.2 Å3
Cell temperature 293 K
Ambient diffraction temperature 293 K
Number of distinct elements 3
Hermann-Mauguin symmetry space group P 1 21/c 1
Hall symmetry space group -P 2ybc
Residual factor for all reflections 0.0902
Residual factor for observed reflections 0.0696
Weighted residual factors for the observed reflections 0.1966
Weighted residual factors for all reflections included in the refinement 0.2325
Goodness-of-fit parameter for observed reflections 1.111
Diffraction radiation probe x-ray
Diffraction radiation wavelength 0.71073 Å
Diffraction radiation type MoKα
Has coordinates Yes
Has disorder No
Has Fobs No

Top of the page