Synthesis and Characterization of Potassium Dihydrobis-, Potassium Hydrotris- and Potassium Tetrakis (Indolyl) Borates and Their Complexes with Some Transition Metal Ions
Three new ligands, potassium dihydrobis-, potassium hydrotris- and potassium tetrakis(indolyl)borates and their complexes with Cr(III), Mn(II), Fe(III), Co(II), Ni(II), Cu(II) and Zn(II) have been synthesized. The divalent and trivalent metal ions form complexes in 1:1 and 1:2 (metal:ligand) ratios,...
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| Veröffentlicht in: | Synthesis and reactivity in inorganic and metal-organic chemistry 1989-05, Vol.19 (5), p.425-440 |
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| container_issue | 5 |
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| container_title | Synthesis and reactivity in inorganic and metal-organic chemistry |
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| creator | Zaidi, S. A. A. Zahoor, M. A. Siddiqi, K. S. Shaheer, S. A. Zaidi, S. R. A. Khan, T. A. |
| description | Three new ligands, potassium dihydrobis-, potassium hydrotris- and potassium tetrakis(indolyl)borates and their complexes with Cr(III), Mn(II), Fe(III), Co(II), Ni(II), Cu(II) and Zn(II) have been synthesized. The divalent and trivalent metal ions form complexes in 1:1 and 1:2 (metal:ligand) ratios, respectively. They were characterized by elemental analysis, magnetic susceptibility measurements, electronic and infrared spectra. On the basis of these studies Cr(III) and Fe(III) complexes with dihydrobis- and hydrotris(indolyl)borates appear to be octahedral. The divalent metal ions are supposed to have tetrahedral geometry excepting the Cu(II) for which a square planar structure is proposed. The tetrakis(indolyl)borate yielded octahedral complexes with all the above metal ions. The ligand field parameters 10Dq, B and β have also been evaluated in some cases. |
| doi_str_mv | 10.1080/00945718908048082 |
| format | Article |
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A. A. ; Zahoor, M. A. ; Siddiqi, K. S. ; Shaheer, S. A. ; Zaidi, S. R. A. ; Khan, T. A.</creator><creatorcontrib>Zaidi, S. A. A. ; Zahoor, M. A. ; Siddiqi, K. S. ; Shaheer, S. A. ; Zaidi, S. R. A. ; Khan, T. A.</creatorcontrib><description>Three new ligands, potassium dihydrobis-, potassium hydrotris- and potassium tetrakis(indolyl)borates and their complexes with Cr(III), Mn(II), Fe(III), Co(II), Ni(II), Cu(II) and Zn(II) have been synthesized. The divalent and trivalent metal ions form complexes in 1:1 and 1:2 (metal:ligand) ratios, respectively. They were characterized by elemental analysis, magnetic susceptibility measurements, electronic and infrared spectra. On the basis of these studies Cr(III) and Fe(III) complexes with dihydrobis- and hydrotris(indolyl)borates appear to be octahedral. The divalent metal ions are supposed to have tetrahedral geometry excepting the Cu(II) for which a square planar structure is proposed. The tetrakis(indolyl)borate yielded octahedral complexes with all the above metal ions. 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On the basis of these studies Cr(III) and Fe(III) complexes with dihydrobis- and hydrotris(indolyl)borates appear to be octahedral. The divalent metal ions are supposed to have tetrahedral geometry excepting the Cu(II) for which a square planar structure is proposed. The tetrakis(indolyl)borate yielded octahedral complexes with all the above metal ions. 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On the basis of these studies Cr(III) and Fe(III) complexes with dihydrobis- and hydrotris(indolyl)borates appear to be octahedral. The divalent metal ions are supposed to have tetrahedral geometry excepting the Cu(II) for which a square planar structure is proposed. The tetrakis(indolyl)borate yielded octahedral complexes with all the above metal ions. The ligand field parameters 10Dq, B and β have also been evaluated in some cases.</abstract><pub>Taylor & Francis Group</pub><doi>10.1080/00945718908048082</doi><tpages>16</tpages></addata></record> |
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| source | Taylor & Francis:Master (3349 titles) |
| title | Synthesis and Characterization of Potassium Dihydrobis-, Potassium Hydrotris- and Potassium Tetrakis (Indolyl) Borates and Their Complexes with Some Transition Metal Ions |
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