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Structure of l,3,7-Trimethyl-2,6-dioxopurine Copper(II) o-Iodobenzoate

F. Valach, B. Koreň, M. Tokarčík, and M. Melník

Department of Chemical Physics, Faculty of Chemical Technology, Slovak University of Technology, SK-812 37 Bratislava

 

Abstract: The crystal structure of Cu2(o-IC6H4COO)4(caffeine)2 contains Cu(II) atoms bridged by o-iodobenzoate groups forming binuclear molecules [Cu2(iodobenzoate)4(caffeine)2]. Copper atoms are surrounded by four oxygen atoms from the o-iodobenzoate groups and one nitrogen atom from caffeine in the apices of slightly distorted square pyramids. Mean Cu-O and Cu-N bond lengths are 0.197(1) nm and 0.224(1) nm. The displacements of copper atoms from the basal planes are 0.0246(6) nm and 0.0245(7) nm. The Cu ... Cu distances are 0.2713(2) nm.

Full paper in Portable Document Format: 523a140.pdf

 

Chemical Papers 52 (3) 140–146 (1998)

Wednesday, June 19, 2024

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