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Title: Synthesis and structural characterization of metal complexes with macrocyclic tetracarbene ligands
Fourteen Ag( i ), Au( i ), Ni( ii ), Pd( ii ), and Pt( ii ) complexes with macrocyclic tetradentate N-heterocyclic carbene (NHC) ligands were prepared via reactions between three macrocyclic tetrabenzimidazolium salts and metal precursors. All except two Au complexes were characterized using single-crystal X-ray diffraction. Three different structures, including a trinuclear one containing a NHC–Ag–(H 2 O) moiety and a hexanuclear propeller-like supramolecular assembly, are found for Ag–NHC complexes. Nine complexes of group 10 metal ions adopt square-planar geometry, in which the different ring-sizes of the macrocyclic tetracarbene ligands lead to a variation of metal–carbene bond lengths. π–π stackings are observed between the rigid aromatic benzimidazole rings in the nickel group complexes.  more » « less
Award ID(s):
1633870
NSF-PAR ID:
10062472
Author(s) / Creator(s):
; ; ;
Date Published:
Journal Name:
New Journal of Chemistry
Volume:
41
Issue:
22
ISSN:
1144-0546
Page Range / eLocation ID:
13442 to 13453
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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