Abstract
The hydrazone anion in the title compound, [V(C11H12N3O2)O2]·H2O, is zwitterionic as its pyridyl N atom is protonated; the O, N and O′ atoms span the axial–equatorial–axial positions of the trigonal-bipyramidal coordination polyhedron of the metal atom. All non-H atoms lie on a crystallographic mirror plane apart from the oxide ligands, which are related by mirror symmetry. The pyridinium N atom acts as a hydrogen-bond donor to the solvent water molecule, which is in turn a hydrogen-bond donor to the both oxide ligands. These hydrogen-bonding interactions give rise to a three-dimensional network motif.
Highlights
The hydrazone anion in the title compound, [V(C11H12N3O2)O2]ÁH2O, is zwitterionic as its pyridyl N atom is protonated; the O, N and O0 atoms span the axial– equatorial–axial positions of the trigonal-bipyramidal coordination polyhedron of the metal atom
All non-H atoms lie on a crystallographic mirror plane apart from the oxide ligands, which are related by mirror symmetry
The pyridinium N atom acts as a hydrogen-bond donor to the solvent water molecule, which is in turn a hydrogen-bond donor to the both oxide ligands
Summary
Key indicators: single-crystal X-ray study; T = 100 K; mean (C–C) = 0.004 A; R factor = 0.039; wR factor = 0.121; data-to-parameter ratio = 12.9. The hydrazone anion in the title compound, [V(C11H12N3O2)O2]ÁH2O, is zwitterionic as its pyridyl N atom is protonated; the O, N and O0 atoms span the axial– equatorial–axial positions of the trigonal-bipyramidal coordination polyhedron of the metal atom. The pyridinium N atom acts as a hydrogen-bond donor to the solvent water molecule, which is in turn a hydrogen-bond donor to the both oxide ligands. These hydrogen-bonding interactions give rise to a three-dimensional network motif. Crystal data [V(C11H12N3O2)O2]ÁH2O Mr = 319.19 Orthorhombic, Pnma a = 13.9848 (10) Ab = 6.6630 (4) Ac = 13.8904 (10) A
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