Abstract

Crystals of the title compound, [Fe(C8H7N3)3]2[PMo12O40]·6H2O, prepared under hydro­thermal conditions, are isotypic with the Mn2+ and Cd2+ analogues. The Fe2+ cation is in a distorted octa­hedral coordination by six N atoms from three chelating 3-(2-pyrid­yl)-1H-pyrazole ligands. The heteropoly­anion [PMo12O40]4− is a one-electron reduced species in which 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 make a contribution to the crystal packing. The Fe—N bond lengths [2.085 (19)—2.15 (2) Å] are somewhat shorter than the Mn—N and Cd—N bond lengths [2.224 (6)–2.283 (5) and 2.316 (7)–2.334 (6) Å, respectively]. All other bond lengths and angles and the hydrogen-bonding motifs are very similar in the isotypic structures.

Highlights

  • College of Food and Biological Engineering, Shandong Institute of Light Industry, Jinan 250353, People’s Republic of China

  • The Fe2+ cation is in a distorted octahedral coordination by six N atoms from three chelating 3-(2-pyridyl)-1H-pyrazole ligands

  • All other bond lengths and angles and the hydrogen-bonding motifs are very similar in the isotypic structures

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Summary

Structure Reports

College of Food and Biological Engineering, Shandong Institute of Light Industry, Jinan 250353, People’s Republic of China. Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.042 Å; Hatom completeness 78%; disorder in main residue; R factor = 0.039; wR factor =.

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Financial support from the International Cooperation
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