Cation tautomerism, twinning and disorder in the triclinic and monoclinic forms of 4-amino-5-chloro-2,6-dimethylpyrimidinium 5-chloro-2-hydroxybenzoate and a new disordered refinement of 2-amino-4,6-dimethoxypyrimidin-1-ium thiophene-2-carboxylate
Authors of publication
Rajam, Ammaiyappan; Muthiah, P. Thomas; Butcher, Ray J.; Jasinski, Jerry P.; Glidewell, Christopher
Journal of publication
Acta Crystallographica Section C
Year of publication
2017
Journal volume
73
Journal issue
11
Pages of publication
862 - 868
a
9.3874 ± 0.0004 Å
b
10.5102 ± 0.0004 Å
c
15.4295 ± 0.0006 Å
α
71.167 ± 0.001°
β
83.335 ± 0.002°
γ
87.73 ± 0.001°
Cell volume
1431.09 ± 0.1 Å3
Cell temperature
100 ± 2 K
Ambient diffraction temperature
100 ± 2 K
Number of distinct elements
5
Space group number
2
Hermann-Mauguin space group symbol
P -1
Hall space group symbol
-P 1
Residual factor for all reflections
0.0371
Residual factor for significantly intense reflections
0.0322
Weighted residual factors for significantly intense reflections
0.0771
Weighted residual factors for all reflections included in the refinement
0.0812
Goodness-of-fit parameter for all reflections included in the refinement