Tetramesityl Transition Element Complexes: Photoelectron spectroscopic characterization of the electronic structure of the molybdenum(IV) and (V) derivatives | Zendy

Cauletti C. | Zendy; Zai R. | Zendy; Seidel W. | Zendy

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Tetramesityl Transition Element Complexes: Photoelectron spectroscopic characterization of the electronic structure of the molybdenum(IV) and (V) derivatives

Author(s) -

Cauletti C.,

Zai R.,

Seidel W.

Publication year - 1983

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.19834960115

Subject(s) - molybdenum , chemistry , crystallography , electronic structure , transition metal , x ray photoelectron spectroscopy , inorganic chemistry , computational chemistry , nuclear magnetic resonance , organic chemistry , physics , catalysis

The d 2 configuration of Mo in MoMes 4 (Mes = 2,4,6‐(CH 3 ) 3 C 6 H 2 ) is characterized by gas‐phase UP and solid‐state XP spectroscopic measurements giving evidence for a static splitting related to the typical D 2d distortion of pseudotetrahedral tetra‐σ‐carbon bonded transition elements, and the consequent σ and π bond effects. Bond energies of ca. 6.4 eV (av.) and 229.7 eV are reported for MoMes 4 , respectively for 4d and 3d 5/2 , in the range normaly observed for Mo IV compounds, whereas [Mo V Mes 4 ] + I 3 − has a considerable high‐energy shift on the 3d 5/2 signal, to 232.0 eV, possibly related to weak Madelung interactions in the solid‐state structure.

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