Acta Crystallographica Section C

Crystal Structure Communications

Volume 64, Part 1 (January 2008)

metal-organic compounds

 

Bis(5-aminotetrazole-1-acetato-O)tetraaquacobalt(II) and catena-poly[[cadmium(II)]-bis(-5-aminotetrazole-1-acetato-³N⁴:O,O')]

Q.-Y. Li, G.-W. Yang, R.-X. Yuan, J.-P. Wang and P.-F. Cui

Abstract: The Co^II atom in bis(5-aminotetrazole-1-acetato)tetraaquacobalt(II), [Co(C₃H₄N₅O₂)₂(H₂O)₄], (I), is octahedrally coordinated by six O atoms from two 5-aminotetrazole-1-acetate (atza) ligands and four water molecules. The molecule has a crystallographic centre of symmetry located at the Co^II atom. The molecules of (I) are interlinked by hydrogen-bond interactions, forming a two-dimensional supramolecular network structure in the ac plane. The Cd^II atom in catena-poly[[cadmium(II)]-bis(-5-aminotetrazole-1-acetato], [Cd(C₃H₄N₅O₂)₂]_n, (II), lies on a twofold axis and is coordinated by two N atoms and four O atoms from four atza ligands to form a distorted octahedral coordination environment. The Cd^II centres are connected through tridentate atza bridging ligands to form a two-dimensional layered structure extending along the ab plane, which is further linked into a three-dimensional structure through hydrogen-bond interactions.

Formula: [Co(C₃H₄N₅O₂)₂(H₂O)₄] and [Cd(C₃H₄N₅O₂)₂]

	Structure factor file (CIF format) (64.0 kbytes) [ doi:10.1107/S0108270107051098/gz3110Isup2.hkl ] Contains datablock I
	Structure factor file (CIF format) (55.7 kbytes) [ doi:10.1107/S0108270107051098/gz3110IIsup3.hkl ] Contains datablock II

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