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Title: Crystal structure of tetrakis (µ-betaine-O,O') dichloro-dicopper(II) dichloride tetrahydrated
Authors: Silva, M. Ramos 
Paixão, J. A. 
Beja, A. Matos 
Veiga, L. Alte da 
Martín-Gil, J. 
Issue Date: 2001
Citation: Journal of Chemical Crystallography. 31:3 (2001) 167-171
Abstract: [Cu2(bet)4Cl2]Cl2·4H2O (bet = betaine: IUPAC name: trimethylammonioacetate) is monoclinic, space group P21/c, a = 11.0510(10) Å, b = 14.7140(4) Å, c = 11.1620(15) Å, ß = 107.40(2)°. The dinuclear copper(II) cation [Cu2(bet)4Cl2]2+ is counterbalanced by two naked Cl- ions. The copper(II) ions have a square bipyramidal environment with oxygen atoms from the acetato groups in the basal planes and a chlorine and a copper atom occupying the apical positions. The metal atoms are µ2-bridged by four acetato groups and the molecular symmetry is close to C2h. The two symmetry-independent chelating betaine molecules are present in their zwitterionic, neutral form.
DOI: 10.1023/A:1014319905435
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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