1 Ocak 2011 Dergi makalesi Açık Erişim

Adiguzel, Ragip; Ergin, Zuhal; Sekerci, Memet; Tascioglu, Senay

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    <subfield code="a">In this study, some transition metal complexes of the bis(2-amino-1,3,4-thiadiazolyl)methane (L) derived from the condensation of malonic acid and thiosemicarbazide, have been synthesized and characterized by IR, H-1-NMR spectra, elemental analyses, magnetic susceptibility and thermogravimetry-differential thermal analysis (TGA-DTA). Coordination numbers of monomeric, Ni(II), Zn(II), and Cd(II) complexes and dimeric Cu(II) complex were found to be four, five, six, and five, respectively. According to the elemental analyses and mass spectra data, the following complex formulas were proposed;[Ni-2(L)(SO4)(2)(H2O)(2)]center dot CH3OH center dot 0.5H(2)O, [Cu(L)(SO4)(H2O)](2)DMF center dot 3H(2)O, [Zn(L)NO3 center dot H2O]center dot NO3 center dot DMF, and [Cd(L)(2)(NO3)H2O]NO3 center dot DMF. Ni(II) and Cu(II) complexes were paramagnetic. Ni(II), Cu(II), and Cd(II) complexes were proposed to be tetrahedral/square planar, square pyramidal, and octahedral structure, respectively. Zn(II) complex is five coordinated. The molar conductance data revealed that Zn((II), and Cd(II) complexes were 1:1 electrolytes(ionic). Ni(II), and Cu(II) complexes were non-electrolytes.</subfield>
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    <subfield code="a">Adiguzel, Ragip</subfield>
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    <subfield code="a">Synthesis and Structural Characterization of Bis(2-amino-1,3,4-thiadiazolyl)methane Complexes</subfield>
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