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Structural and spectroscopic characterizations of aluminum phenoxide

, , , and . SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (March 2016)

Abstract

A synthetic route to obtain crystalline aluminum phenoxide was established. Its molecular structure in solid-state and solution is unambiguously determined by single-crystal X-ray diffraction and H-1, C-13 and Al-27 NMR spectroscopy. The single-crystal X-ray analysis revealed the presence of the dimeric THF adduct Al(OPh)(3)center dot THF(2) with a disordered trigonal bipyramidal geometry at the aluminum atom which is bonded to a THF ligand, two terminal and two bridging phenoxy groups (OPh). The solution behavior of the title compound was investigated by Al-27 NMR in non-coordinating (CDCl3) as well as coordinating (THF) solvents at different temperatures. The obtained results indicate the presence of four- and five-coordinate species in solution. (C) 2016 Elsevier B.V. All rights reserved.

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BibTeX key:
ISI:000370094200034
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