Isolating elusive ‘Al(μ-O)M’ intermediates in CO2 reduction by bimetallic Al–M complexes (M = Zn, Mg)†
Samuel E.
Neale, 
b
Claire L.
McMullin,
*b
J. Robin
Fulton,
a
Mathew D.
Anker
a
and
Martyn P.
Coles
*a
b
Claire L.
McMullin,
*b
J. Robin
Fulton,
a
Mathew D.
Anker
a
and
Martyn P.
Coles
*a
Abstract
The reaction of compounds containing Al–Mg and Al–Zn bonds with N2O enabled isolation of the corresponding Al(μ-O)M complexes. Electronic structure analysis identified largely ionic Al–O and O–M bonds, featuring an anionic μ-oxo centre. Reaction with CO2 confirmed that these species correspond to the proposed intermediates in the formation of μ-carbonate compounds.
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