Abstract
In the title complex, [Ni(C4H3N2O2)2(H2O)2], the NiII ion is located on an inversion center and shows a distorted octahedral geometry, defined by two N,O-bidentate 1H-imidazole-4-carboxylate ligands in the equatorial plane and two water molecules in the axial positions. Intermolecular N—H⋯O hydrogen bonds link the complex molecules into layers parallel to (10), which are further linked into a three-dimensional supramolecular network through O—H⋯O hydrogen bonds.
Highlights
In the title complex, [Ni(C4H3N2O2)2(H2O)2], the NiII ion is located on an inversion center and shows a distorted octahedral geometry, defined by two N,O-bidentate 1Himidazole-4-carboxylate ligands in the equatorial plane and two water molecules in the axial positions
Symmetry codes: (ii) x+1, −y+1/2, z+1/2; (iii) −x+1, y−1/2, −z+1/2; (iv) x, −y+1/2, z+1/2
Summary
For general background to the design and synthesis of coordination polymers, see: Choi & Jeon (2003); Moulton &. Zaworotko (2001); Roesky & Andruh (2003); Tao et al (2000). For complexes with imidazole-4,5-dicarboxylic acid, see: Alkordi et al (2009); Lu et al (2009); Sun et al (2005). See: Gryz et al (2007); Haggag (2005); Starosta & Leciejewicz (2006); Xu et al (2008); Yin et al. (2009); Zheng et al (2011)
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