Abstract
The title structure, [Ni(C14H8N2O4)(H2O)4]·4H2O, contains a mononuclear NiII complex formed by a chelating bidentate Schiff base and by four Ni-bonded water molecules. The NiII atom is in a distorted octahedral coordination by two N atoms in a cis disposition [Ni—N = 2.0753 (16) and 2.1048 (16) Å] and by four water O atoms [Ni—O = 2.0500 (15)–2.0822 (15) Å]. The crystal structure is completed by four further non-coordinating water molecules and all constituents are linked in a three-dimensional manner by an extensive system of 16 O—H⋯O hydrogen bonds.
Highlights
The title structure, [Ni(C14H8N2O4)(H2O)4]Á4H2O, contains a mononuclear NiII complex formed by a chelating bidentate Schiff base and by four Ni-bonded water molecules
The NiII atom is in a distorted octahedral coordination by two N atoms in a cis disposition [Ni—N = 2.0753 (16) and 2.1048 (16) A ] and by four water O atoms [Ni—O = 2.0500 (15)– 2.0822 (15) A ]
The crystal structure is completed by four further non-coordinating water molecules and all constituents are linked in a three-dimensional manner by an extensive system of 16 O—HÁ Á ÁO hydrogen bonds
Summary
The title structure, [Ni(C14H8N2O4)(H2O)4]Á4H2O, contains a mononuclear NiII complex formed by a chelating bidentate Schiff base and by four Ni-bonded water molecules. The NiII atom is in a distorted octahedral coordination by two N atoms in a cis disposition [Ni—N = 2.0753 (16) and 2.1048 (16) A ] and by four water O atoms [Ni—O = 2.0500 (15)– 2.0822 (15) A ]. The crystal structure is completed by four further non-coordinating water molecules and all constituents are linked in a three-dimensional manner by an extensive system of 16 O—HÁ Á ÁO hydrogen bonds. Related literature For related coordination compounds, see: Buffin et al (2004); Datta et al (2005); Jiang et al (2007)
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