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Multiple Metal–Metal Bonds in Iron–Chromium Complexes
Author(s) -
Rudd P. Alex,
Liu Shengsi,
Planas Nora,
Bill Eckhard,
Gagliardi Laura,
Lu Connie C.
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201208686
Subject(s) - delocalized electron , mössbauer spectroscopy , chromium , crystallography , metal , transition metal , quadrupole , spectroscopy , chemistry , quadruple bond , materials science , metallic bonding , bond length , bond order , metallurgy , atomic physics , crystal structure , physics , organic chemistry , quantum mechanics , catalysis
Mix and match : The first structural examples of MM multiple bonds between different first‐row transition metals are elucidated using X‐ray crystallography (see picture; Fe pink, Cr green, P yellow, N blue), spectroscopic methods, and calculations. The FeCr bonds are ultrashort (<2 Å) with highly delocalized σ and π bonds and unusually large quadrupole splittings in Mössbauer spectroscopy.
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