Abstract
In the title compound, {[Co2(C16H6O8)(C12H8N2)(H2O)2]·H2O}n, one CoII ion has a {CoN2O4} distorted octahedral environment defined by two N atoms of one 1,10-phenanthroline (phen) ligand, three O atoms of the carboxylate groups of three biphenyl-3,3′,4,4′-tetracarboxylate (BPTC) ligands, one of which is bidentate, and one O atom from one coordinated water molecule. The other CoII atom is surrounded by six O atoms from four different BPTC ligands and one coordinated water molecule. Each BPTC ligand forms eight coordination bonds with seven CoII atoms, leading to a layer structure along the ac plane. Uncoordinated water molecules occupy the space between the layers, and interact via interlayer O—H⋯O hydrogen bonds along the b axis, generating a three-dimensional supramolecular network.
Highlights
In the title compound, {[Co2(C16H6O8)(C12H8N2)(H2O)2]H2O}n, one CoII ion has a {CoN2O4} distorted octahedral environment defined by two N atoms of one 1,10-phenanthroline ligand, three O atoms of the carboxylate groups of three biphenyl-3,30,4,40 -tetracarboxylate (BPTC) ligands, one of which is bidentate, and one O atom from one coordinated water molecule
Uncoordinated water molecules occupy the space between the layers, and interact via interlayer O—H O
Symmetry codes: (ii) −x+1, −y+1, −z+2; (iii) x, y, z−1; (v) x, y−1, z−1; (vi) x+1, y, z
Summary
Hailiang Yin,a* Fengjuan Yinb and Yukun Lua a College of Chemistry and Chemical Engineering, China University of Petroleum, Qingdao 255666, People’s Republic of China, and bEnvironmental Protection Bureau of Dongying, Dongying 257091, People’s Republic of China. In the title compound, {[Co2(C16H6O8)(C12H8N2)(H2O)2]H2O}n, one CoII ion has a {CoN2O4} distorted octahedral environment defined by two N atoms of one 1,10-phenanthroline (phen) ligand, three O atoms of the carboxylate groups of three biphenyl-3,30 ,4,40 -tetracarboxylate (BPTC) ligands, one of which is bidentate, and one O atom from one coordinated water molecule. The other CoII atom is surrounded by six O atoms from four different BPTC ligands and one coordinated water molecule. Each BPTC ligand forms eight coordination bonds with seven CoII atoms, leading to a layer structure along the ac plane. Uncoordinated water molecules occupy the space between the layers, and interact via interlayer O—H O hydrogen bonds along the b axis, generating a threedimensional supramolecular network. Data collection: SMART (Bruker, 2000); cell refinement: SAINT (Bruker, 2000); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL
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