دورية أكاديمية
Crystal Structures of Thiophene-2-carboxamide Transition Metal Ion Complexes.
| العنوان: | Crystal Structures of Thiophene-2-carboxamide Transition Metal Ion Complexes. |
|---|---|
| المؤلفون: | Garcia, Rosalva, Day, Cynthia, Noftle, Ronald |
| المصدر: | Journal of Chemical Crystallography; Aug2017, Vol. 47 Issue 3/4, p110-119, 10p |
| مصطلحات موضوعية: | X-ray absorption spectra, COBALT chloride, MANGANESE oxides, CARBOXAMIDES, PERCHLORATE analysis, CRYSTALLOGRAPHY |
| مستخلص: | The single-crystal X-ray structures of the hexacoordinate Co(II), Ni(II), and Mn(II) complexes of thiophene-2-carboxamide are reported as the perchlorate salts. The Co(II) and Ni(II) complexes are isostructural and crystallize in a cubic habit which is not frequently observed for complexes of metal ions with organic ligands (Pa $$\overline 3$$ , Z = 4, Co complex, 2, a = 16.466(2) Å, Ni complex, 3, a = 16.430(2) Å). The Mn(II) complex, 4, is monoclinic and contains four t-butanol molecules in the unit cell (P2/n, Z = 2, a = 9.7796(4) Å, b = 11.4847(4) Å, c = 23.3062(9) Å, β = 93.504(1)°). Hydrogen-bonding is a significant factor in all of these substances, especially for the Mn(II) complex. The structures and the infrared spectra of the compounds are discussed. Graphical Abstract: Ellipsoid plots of the ions Co(CHNOS) and Mn(CHNOS) [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: | Complementary Index |
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