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Structures and/or magnetic properties of three 1D ladder-type manganic and cadmium compounds with open-chain diazine Schiff-base ligands
- Source :
-
Journal of Molecular Structure . Sep2007, Vol. 841 Issue 1-3, p67-72. 6p. - Publication Year :
- 2007
-
Abstract
- Abstract: Three new coordination polymers [MnL1(dca)2] n (1) (L1 =1-(2-pyridyl)-4-(2-pyrazinyl)-4-amino-1-methyl-2,3-diaza-1,3-butadiene, dca= ), [CdL2(dca)2] n (2) (L2 =1-(2-pyridyl)- 4-(2-pyrazinyl)-4-amino-2,3-diaza-1,3-butadiene) and [CdL1(dca)2] n (3) have been synthesized, structurally and/or magnetically characterized. In these isostructural compounds, metal ions of octahedral geometry are bridged by double μ1,5-mode dca ions and further interlinked into a 1D ladder-type chain by two single μ1,5-mode dca ions with the Schiff-base ligands acting only as bidentate ligands. Variable temperature magnetic studies have shown that the coupling interaction between Mn(II) centers of the ladder-type Mn-dca chains is weakly antiferromagnetic. [Copyright &y& Elsevier]
- Subjects :
- *IONS
*INTERMEDIATES (Chemistry)
*ELECTRONS
*BUTADIENE
Subjects
Details
- Language :
- English
- ISSN :
- 00222860
- Volume :
- 841
- Issue :
- 1-3
- Database :
- Academic Search Index
- Journal :
- Journal of Molecular Structure
- Publication Type :
- Academic Journal
- Accession number :
- 26435749
- Full Text :
- https://doi.org/10.1016/j.molstruc.2006.11.073