FIRST EXAMPLE OF A MIXED-VALENCE MN(III)MN(II)MN(III) SCHIFF-BASE POLYMERIC COMPLEX HAVING A TRIMERIC REPEAT UNIT - CRYSTAL-STRUCTURE OF 3(HSALADHP)(2)(ACETATO)(2)(5-CL-SALICYLATO)(2)](N)

Citation
Da. Malamatari et al., FIRST EXAMPLE OF A MIXED-VALENCE MN(III)MN(II)MN(III) SCHIFF-BASE POLYMERIC COMPLEX HAVING A TRIMERIC REPEAT UNIT - CRYSTAL-STRUCTURE OF 3(HSALADHP)(2)(ACETATO)(2)(5-CL-SALICYLATO)(2)](N), Inorganic chemistry, 34(10), 1995, pp. 2493-2494
Citations number
35
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00201669
Volume
34
Issue
10
Year of publication
1995
Pages
2493 - 2494
Database
ISI
SICI code
0020-1669(1995)34:10<2493:FEOAMM>2.0.ZU;2-G
Abstract
The crystal structure of 3(Hsaladhp)(2)(acetato)(2)(5-Cl-salicylato)(2 )](n) shows it to be a polymeric chain with the trimeric Mn(III)-Mn(II )-Mn(III) units bridged by phenolate groups of the Schiff-base ligand. Variable-temperature magnetic susceptibility measurements indicate th e manganese ions within the trimeric unit are antiferromagnetically ex change coupled yielding an S = 3/2 ground state. The magnetic data als o provide evidence for a weak antiferromagnetic intertrimer exchange i nteraction, indicating the compound behaves as an S = 3/2 linear chain at low temperatures.