Journal
INORGANICA CHIMICA ACTA
Volume 443, Issue -, Pages 36-44Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2015.12.019
Keywords
Heterometallic complexes; Direct synthesis; Crystal structure; Molybdate; X- and Q-band EPR
Categories
Funding
- Ministry of Science and Higher Education of the Republic of Poland
- Jagiellonian University
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A series of novel heterometallic complexes [CuL2MoO4] xH(2)O [L = phen (1,10-phenanthroline) (1), 5,5'-Me(2)bpy (5,5'-dimethyl-2,2'-bipyridine) (3a), bpy (2,2'-bipyridine) (5), x = 2.5 (1), 3 (3) and 4.5 (5)], [Cu(5,5'-Me(2)bpy)(2)MoO4] 0.5(5,5'-Me(2)bpy) 8H(2)O (3b) [Cu(phen)(2)Mo2O7(phen)] 8H(2)O (2), and {[Cu(4,4'-Me(2)bpy)(2)](2)MoO4}(OH)(2) 5.25H(2)O (4) [4,4'-Me(2)bpy = 4,4'-dimethyl-2,2'-bipyridine] have been synthesized by interaction of copper metal with Mo source and ligands in aqueous solutions. The complexes were characterized by elemental analysis, IR and EPR spectroscopy, TG, CV as well as single crystal X-ray diffraction analysis. X-ray crystallographic study of the compounds has shown that the complexes 1-4 possess molecular structures while 5 can be described as a molecular cation. The influence of Mo source, molecular ratio of the components and temperature of the reaction mixture on formation of particular target compounds has been investigated. (C) 2015 Elsevier B.V. All rights reserved.
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