Abstract
In the title compound, [Ni(C6H16N2)2](NO3)2·H2O, the bis(2,3-dimethylbutane-2,3-diamine)nickel(II) complex cation possesses a relatively undistorted square-planar geometry about the Ni atom, which lies on an inversion centre and is coordinated by four N atoms from two symmetry-related 2,3-diamino-2,3-dimethylbutane (tmen) ligands. The amine groups are N—H⋯O hydrogen bonded to the nitrate anions, which are, in turn, linked by interstitial water molecules lying on a twofold axis. The infinite zigzag chains thus formed along [001] are further connected to each other by N—H⋯O hydrogen bonds towards the water molecules, forming layers of two-dimensional hydrogen-bonded arrays.
Highlights
In the title compound, [Ni(C6H16N2)2](NO3)2H2O, the bis(2,3-dimethylbutane-2,3-diamine)nickel(II) complex cation possesses a relatively undistorted square-planar geometry about the Ni atom, which lies on an inversion centre and is coordinated by four N atoms from two symmetry-related 2,3diamino-2,3-dimethylbutane ligands
Symmetry codes: (i) −x+1, −y, −z; (ii) x, y−1, z; (iii) −x+1, −y+1, −z
Summary
School of Chemistry & Pharmaceutical Engineering, Sichuan University of Science & H atoms treated by a mixture of independent and constrained refinement max = 0.96 e Å3 Hydrogen-bond geometry (Å, ). R factor = 0.054; wR factor = 0.165; data-to-parameter ratio = 14.7. In the title compound, [Ni(C6H16N2)2](NO3)2H2O, the bis(2,3-dimethylbutane-2,3-diamine)nickel(II) complex cation possesses a relatively undistorted square-planar geometry about the Ni atom, which lies on an inversion centre and is coordinated by four N atoms from two symmetry-related 2,3diamino-2,3-dimethylbutane (tmen) ligands. The amine groups are N—H O hydrogen bonded to the nitrate anions, which are, in turn, linked by interstitial water molecules lying on a twofold axis. The infinite zigzag chains thus formed along [001] are further connected to each other by N—H O hydrogen bonds towards the water molecules, forming layers of two-dimensional hydrogen-bonded arrays.
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