Acta Crystallographica Section C

Crystal Structure Communications

Volume 58, Part 5 (May 2002)

Acta Cryst. (2002). C58, m275-m279    [doi:10.1107/S0108270102004341]

Comparison of two polymeric transition metal complexes with 1,4-benzenedicarboxylate ions as bridging ligands, [Co(C₈H₄O₄)(C₁₂H₈N₂)(H₂O)] and [Cu(C₈H₄O₄)(C₁₀H₉N₃)]·H₂O

L. Karanovic, D. Poleti, J. Rogan, G. A. Bogdanovic and A. Spasojevic-de Biré

Abstract: The title complexes, catena-poly[[aqua(1,10-phenanthroline-²N,N')cobalt(II)]--benzene-1,4-dicarboxylato-²O¹:O⁴], [Co(C₈H₄O₄)(C₁₂H₈N₂)(H₂O)], (I), and catena-poly[[[(di-2-pyridyl-N-amine)copper(II)]--benzene-1,4-dicarboxylato-⁴O¹,O^1':O⁴,O^4'] hydrate], [Cu(C₈H₄O₄)(C₁₀H₉N₃)]·H₂O, (II), take the form of zigzag chains, with the 1,4-benzenedicarboxylate ion acting as an amphimonodentate ligand in (I) and a bis-bidentate ligand in (II). The Co^II ion in (I) is five-coordinate and has a distorted trigonal-bipyramidal geometry. The Cu^II ion in (II) is in a very distorted octahedral 4+2 environment, with the octahedron elongated along the trans O-Cu-O bonds and with a trans O-Cu-O angle of only 137.22  (8)°.

Formula: [Co(C₈H₄O₄)(C₁₂H₈N₂)(H₂O)] and [Cu(C₈H₄O₄)(C₁₀H₉N₃)]·H₂O

Online 11 April 2002

	Structure factor file (CIF format) (150.3 kbytes) Contains datablock I
	Structure factor file (CIF format) (183.6 kbytes) Contains datablock II

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