μ‐Hydroxo‐ and μ‐Oxobis(μ‐acetato)diruthenium Complexes with Weak Intramolecular RuċRu Interactions | Zendy

Neubold Peter | Zendy; Wieghardt Karl | Zendy; Nuber Bernhard | Zendy; Weiss Johannes | Zendy

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μ‐Hydroxo‐ and μ‐Oxobis(μ‐acetato)diruthenium Complexes with Weak Intramolecular RuċRu Interactions

Author(s) -

Neubold Peter,

Wieghardt Karl,

Nuber Bernhard,

Weiss Johannes

Publication year - 1988

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198809331

Subject(s) - antibonding molecular orbital , intramolecular force , ruthenium , chemistry , protonation , crystallography , stereochemistry , electron , atomic orbital , physics , catalysis , organic chemistry , ion , quantum mechanics

Despite an increase in bond order from 1.0 to 1.5 an expansion of the RuRu bond of 0.084 Å is observed on going from the Ru 2 III ‐complex 1 to the Ru III Ru IV ‐complex 2 —an electron is removed from an antibonding molecular orbital. The red‐violet, diamagnetic, dinuclear complex 1 is protonated at the μ‐oxo bridge by strong acids (2 M HCl), resulting in formation of the corresponding μ‐hydroxo complex in which the Ru III centers (d 5 , low spin) are coupled antiferromagnetically ( J = −218 cm −1 ).

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