Synthesis and Crystal Structures of Two Novel Molybdenum(V) Complexes with Glycine and D, L-Valine (CROSBI ID 146708)
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Tašner, Marina ; Prugovečki, Biserka ; Mrvoš-Sermek, Draginja ; Korpar-Čolig, Branka ; Giester, Gerald ; Matković-Čalogović , Dubravka
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Synthesis and Crystal Structures of Two Novel Molybdenum(V) Complexes with Glycine and D, L-Valine
Two novel molybdenum(V) complexes, [Mo2O4(acac)2(gly)](EtOH)(H2O), 1, and [Mo2O4(acac)2(D, L-val)], 2, (acac = acetylacetonato, EtOH = ethanol), were synthesized by the reaction of [Mo2O3(acac)4] and amino acids glycine and D, Lvaline, respectively. The complexes were characterized by elemental and IR spectral analysis. Their structures were determined by the single crystal X-ray diffraction method. Both complexes are dinuclear, with singly bonded Mo— Mo in the {; ; Mo2O4}; ; 2+ core, a carboxylato bridging amino acid, and with each Mo atom additionally coordinated by a bidentate acetylacetonato ligand. Crystal data: C14H27Mo2NO12 (1) crystallizes in the monoclinic system, space group P21/n, with a = 8.439(2), b = 20.613(4), c = 12.639(3) Å ; , β = 98.410(10)°, Z = 4 ; C15H25Mo2NO10 (2) crystallizes in the orthorhombic system, space group Pbca with a = 13.596(1), b = 19.346(1), c = 15.080(1) Å ; , Z = 8.
Molybdenum(V) complexes; crystal structure; amino acid complexes
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