Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 24, Issue 24, Pages 6418-6425Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201705999
Keywords
carbene ligands; divalent N-I compounds; donor-acceptor systems; quantum chemistry; X-ray diffraction
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Funding
- Council of Scientific & Industrial Research (CSIR), New Delhi, India
- Department of Science & Technology (DST) Govt. of India, New Delhi, India
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Remote N-heterocyclic carbenes (rNHCs), such as N-methyl-4-pyridylidene, are known to form coordination complexes with TMs. Herein, it is established that rNHCs can also coordinate to the N+ centre. Synthesis of some novel divalent N-I complexes with the general formula (rNHC)-> N+<-(NHC) and (rNHC)-> N+<-(rNHC) was achieved, and X-ray diffraction studies supported the coordination bond character between the rNHCs and the N+ centre. Quantum chemical analysis established the presence of divalent N-I character at the central nitrogen in these systems.
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