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Metal-ligand bond lengths and strengths: are they correlated? A detailed CSD analysis

Anders Nimmermark (Institutionen för kemi- och bioteknik, Fysikalisk kemi) ; Lars Öhrström (Institutionen för kemi- och bioteknik, Fysikalisk kemi) ; J. Reedijk
Zeitschrift Fur Kristallographie (0044-2968). Vol. 228 (2013), 7, p. 311-317.
[Artikel, refereegranskad vetenskaplig]

Structure data on metal-alkoxides, metal-alcohol, metal-carboxylates, metal-carboxylic acid, metal-azolate and metal-azole coordination compounds from the Cambridge Structural Database (CSD) were analysed in terms of bond lengths. In general the anionic ligands form shorter metal-ligand bonds by about 0.02-0.05 angstrom compared to neutral ligands, a clear indication of a charge contribution to the bonding interactions. This small difference is not, however, deemed as sufficient to generate two distinct classes of metal-ligand bonding. Instead, the anionic ligands can be viewed as having "charge assisted" metal-ligand bonding, corresponding to the same term used for "charge-assisted hydrogen bonding".

Nyckelord: Metal-ligand bonds, Bond strength, Bond length, MOF, Coordination compounds

Denna post skapades 2013-09-10. Senast ändrad 2016-07-18.
CPL Pubid: 183035


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Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Fysikalisk kemi (2005-2014)


Oorganisk kemi

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