期刊
COORDINATION CHEMISTRY REVIEWS
卷 252, 期 21-22, 页码 2224-2238出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2007.12.016
关键词
Diffusion NMR; Non-covalent interactions; NOE NMR; Organometallic catalysts
资金
- Ministero dell' Universita e della Ricerca (MUR, Rome, Italy)
- Dow Chemical Company
This review summarizes the results recently obtained by our research group investigating the non-covalent aggregation of coordination compounds in solution through NMR spectroscopy. First, systems that can undergo only weak non-covalent interactions, such as dispersive and dipole-dipole ones, are considered; successively, coordination compounds that are capable to establish more energetic non-covalent interactions, such as hydrogen bonding and/or extended pi-pi stacking interactions, are taken into account. The parallelism between the energy of non-covalent interactions and the level of aggregation is highlighted. The results concerning the latter are mainly obtained through diffusion NMR experiments. In some cases, information about the structure of non-covalent aggregation in solution, obtained through intermolecular NOE studies, is discussed and contrasted with that observed in the solid state (by means of X-ray single crystal investigations, mainly carried out by our group) and/or derived from theoretical calculations. (C) 2007 Elsevier B.V. All rights reserved.
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