A new tetrakis-substituted pyrazine carboxylic acid, 3,3',3'',3'''-{[pyrazine-2,3,5,6-tetrayltetrakis(methylene)]tetrakis(sulfanediyl)}tetrapropionic acid: crystal structures of two triclinic polymorphs and of two potassium‒organic frameworks
Authors of publication
Pacifico, Jessica; Stoeckli-Evans, Helen
Journal of publication
Acta Crystallographica Section E
Year of publication
2021
Journal volume
77
Journal issue
5
Pages of publication
480 - 490
a
4.9424 ± 0.0017 Å
b
8.993 ± 0.003 Å
c
14.19 ± 0.006 Å
α
96.96 ± 0.03°
β
97.14 ± 0.03°
γ
100.72 ± 0.03°
Cell volume
608.1 ± 0.4 Å3
Cell temperature
293 ± 2 K
Ambient diffraction temperature
293 ± 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
0.0998
Residual factor for significantly intense reflections
0.0711
Weighted residual factors for significantly intense reflections
0.1882
Weighted residual factors for all reflections included in the refinement
0.2078
Goodness-of-fit parameter for all reflections included in the refinement