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New homogeneous and alternating Mn(II)-azido 1D systems

M. A. M. Abu-Youssef ; A. Escuer ; R. Vicente ; F. A. Mautner ; Lars Öhrström (Institutionen för kemi- och bioteknik) ; M. A. S. Goher
Polyhedron Vol. 24 (2005), 4, p. 557-562.
[Artikel, refereegranskad vetenskaplig]

Reaction of sodium azide with manganese(II) and 4-amino-1,2,4-triazol or 3-chloropyridine leads to the 1D systems [Mn(N-3)(2) (4-amtr)(2)](,) (1) or {[Mn(N-3)(2)(3-Clpy)(2)]center dot 1/2(3-Clpy)}(n) (2), respectively. Compound 1 crystallises in the C2/m (monoclinic) group and consists of chains of Mn(II) cations bridged by double mu(1,3)-azido bridges in trans arrangement. Compound 2 crystallises in the I2/a (monoclinic) group and in this case the 1D system shows alternating double mu(1,1) and mu(1,3) bridges. Magnetic properties follow the expected antiferromagnetic (compound 1) and alternating ferro-antiferromagnetic (compound 2) behaviour. (c) 2005 Published by Elsevier Ltd.

Nyckelord: manganese; magnetochemistry; crystal structures; 1D systems, magnetic-behavior; structural-characterization; crystal-structure;, azido; complexes; chains; mn; ni



Denna post skapades 2006-08-25. Senast ändrad 2014-11-10.
CPL Pubid: 9905

 

Institutioner (Chalmers)

Institutionen för kemi- och bioteknik (2005-2014)

Ämnesområden

Kemi

Chalmers infrastruktur