Abstract
The hydrothermally prepared title compound, [Cd(C8H7N3)3]2[PMo12O40]·6H2O, is isotypic with its MnII analogue [Hao et al. (2010 ▶). Acta Cryst. E66, m231–m232]. The CdII cation is in a distorted octahedral environment, coordinated by six N atoms from three chelating 3-(2-pyridyl)-1H-pyrazole ligands. In the reduced heteropolyanion, two O atoms of the central PO4 group ( symmetry) are equally disordered about an inversion centre. N—H⋯O and O—H⋯O hydrogen bonds contribute to the crystal packing. Compared with the MnII analogue, the Cd—N bond lengths are longer at 2.316 (7)–2.334 (6) Å, versus 2.224 (6)–2.283 (5) Å for Mn—N, whereas all other bond lengths and angles and the hydrogen-bonding motifs are very similar in the two structures.
Highlights
Structure ReportsKey indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.014 Å; Hatom completeness 78%; disorder in main residue; R factor = 0.043; wR factor =
CdII cation is in a distorted octahedral environment, coordinated by six N atoms from three chelating 3-(2pyridyl)-1H-pyrazole ligands
2.283 (5) Å for Mn—N, whereas all other bond lengths and angles and the hydrogen-bonding motifs are very similar in the two structures
Summary
Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.014 Å; Hatom completeness 78%; disorder in main residue; R factor = 0.043; wR factor =. [Cd(C8H7N3)3]2[PMo12O40]6H2O, is isotypic with its MnII analogue [Hao et al (2010). The. CdII cation is in a distorted octahedral environment, coordinated by six N atoms from three chelating 3-(2pyridyl)-1H-pyrazole ligands. Two O atoms of the central PO4 group (1 symmetry) are disordered about an inversion centre. O—H O hydrogen bonds contribute to the crystal packing. Compared with the MnII analogue, the Cd—N bond lengths are longer at 2.316 (7)–2.334 (6) Å, versus 2.224 (6)–. 2.283 (5) Å for Mn—N, whereas all other bond lengths and angles and the hydrogen-bonding motifs are very similar in the two structures
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