Two Mn(II) chloride complexes containing guest molecules |
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| Authors: | Q Yang S Chen S Gao |
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| Institution: | (1) Department of Chemistry, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi’an, 710069, P. R. China |
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| Abstract: | Two phenanthroline-manganese inclusion complexes with MnCl(H2O)(phen)2]+ core have been synthesized and characterized by single crystal X-ray diffraction, elemental analyses, IR spectra, thermogravimetric analyses. Uncoordinated 2-mercaptothiazole (tzdtH) and 2-mercaptobenzothiazole (bztzH) as guest molecules are included in the complexes with formulas MnCl(H2O)(phen)2]Cl·tzdtH (1) and {MnCl(H2O)(phen)2]Cl}2·bztzH (2). X-ray structural analyses for complexes revealed that the complex 1 is triclinic, space group P1 with a=9.724(1) Å, b=11.858(1) Å, c=12.644(2) Å; β=89.056(2)°; Z=2, D c=1.513 Mg m?3, F(000)=638 and the complex 2 is triclinic, space group P1 with a=9.861(1) Å, b=11.476(1) Å; c=12.908(3) Å; β=84.991(2)°; Z=1, D c=1.511 Mg m?3, F(000)=600. Two complexes exhibit high stability up to 650°C. The molar specific heat capacities for the two complexes 1 and 2 can be estimated as being 96.175±0.332 and 72.505±0.364 J mol?1 K?1 at 298.15 K by RD496-III microcalorimeter, respectively. |
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| Keywords: | crystal structure manganese 2-mercaptobenzothiazole 2-mercaptothiazole phenanthroline thermal analysis |
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