Metal Complexes with Very Large Dipole Moments: the Anionic Carborane Nitriles 12-NC-CB11X11(-) (X = H, F, CH3) as Ligands on Pt(II) and Pd(II).
Inorg Chem
; 55(8): 3797-806, 2016 Apr 18.
Article
em En
| MEDLINE
| ID: mdl-27018918
ABSTRACT
The anionic nitriles 1-R-12-NC-CB11H10(-) (R = H, CH3, I, COOH), 12-NC-1-H-CB11Me10(-), and 12-NC-1-H-CB11F10(-) were prepared, and three of them were examined for complex formation with (Et3P)2Pt(II) and (Et3P)2Pd(II). Several stable internally charge-compensated zwitterionic complexes were obtained and characterized. RI-BP86/SV(P) calculations suggest that their dipole moments exceed 20 D. An attempt to measure the dipole moments in solution failed due to insufficient solubility in solvents of low polarity.
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2016
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Article