Abstract
In the title compound, [Ni(NO3)(C13H20N4)2]NO3, the NiII ion shows a distorted octahedral geometry formed by four N atoms from two bis(2-ethyl-5-methyl-1H-imidazol-4-yl)methane ligands and two O atoms from a chelating nitrate anion. Three ethyl groups in the complex cation and the O atoms of the uncoordinated nitrate anion are disordered over two sets of positions [occupancy ratios of 0.52 (3):0.48 (3) and 0.63 (3):0.37 (3), respectively]. In the crystal, intermolecular N—H⋯O hydrogen bonds connect the complex cations into a zigzag chain along [010] and further N—H⋯O hydrogen bonds between the chains and the uncoordinated nitrate anions lead to layers parallel to (100).
Highlights
In the title compound, [Ni(NO3)(C13H20N4)2]NO3, the Ni ion shows a distorted octahedral geometry formed by four N atoms from two bis(2-ethyl-5-methyl-1H-imidazol-4-yl)methane ligands and two O atoms from a chelating nitrate anion
N—H O hydrogen bonds connect the complex cations into a zigzag chain along [010] and further N—H O hydrogen bonds between the chains and the uncoordinated nitrate anions lead to layers parallel to (100)
This paper describes the synthesis and structure of a coordination compound obtained from 5,5′-bis(2-ethyl-4-methylimidazol)methane and nickle(II) nitrate hexahydrate
Summary
Key indicators: single-crystal X-ray study; T = 298 K; mean (C–C) = 0.007 Å; disorder in main residue; R factor = 0.053; wR factor = 0.102; data-to-parameter ratio = 12.0
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