Open AccessSynthesis, Crystal Structure, and Spectral and Magnetic Properties of Chloro-Bridged Chain Complex of Dinuclear Ruthenium(II,III) 3,4,5-Triethoxybenzoate
Author(s) -
H. Ishida,
Makoto Handa,
Ichiro Hiromitsu,
and Masahiro Mikuriya
Publication year - 2009
Publication title -
chemistry journal of moldova
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.275
H-Index - 5
eISSN - 2345-1688
pISSN - 1857-1727
DOI - 10.19261/cjm.2009.04(1).06
Subject(s) - chemistry , ruthenium , crystallography , antiferromagnetism , crystal structure , chain (unit) , carboxylate , spectral line , magnetic susceptibility , stereochemistry , condensed matter physics , organic chemistry , catalysis , physics , astronomy
A chloro-bridged chain complex constructed from paddlewheel-type dinuclear ruthenium(II,III) carboxylate units, [Ru2{3,4,5-(C2H5O)3C6H2CO2}4Cl]n·1.2nC2H5OH (1·1.2nC2H5OH), was synthesized and characterized by elemental analysis and IR and UV-vis spectroscopies. The single-crystal X-ray analysis showed that the complex forms a zig-zag chain structure, in which the chloroligands bridge the dinuclear units at the axial positions with the Ru1–Cl–Ru2 angle of 120.38(7)°. A broad band around 1144 nm and a band at 475 nm were observed in the diffused reflectance spectra and ascribed to a δ→δ* and a π(RuO, Ru2)→π*(Ru2) transitions, respectively. Temperature dependence of magnetic susceptibility showed that the antiferromagnetic interaction between the dinuclear units is weak (zJ = −0.8 cm−1) with D value of 60 cm−1.