[{(H 3 C) 3 NB(H) 2 NC} 2 Au][AuI 2 ]: a linear chain polymer of gold(I) iodide with an unusual isocyanoborane ligand showing aurophilic behaviour
Author(s) -
Kaska William C.,
Mayer Hermann A.,
Elsegood Mark R. J.,
Horton Peter N.,
Hursthouse Michael B.,
Redshaw Carl,
Humphrey Simon M.
Publication year - 2004
Publication title -
acta crystallographica section e
Language(s) - English
Resource type - Journals
ISSN - 1600-5368
DOI - 10.1107/s1600536804008098
Subject(s) - borane , adduct , iodide , chemistry , halide , chloride , crystallography , ion , methyl iodide , chain (unit) , medicinal chemistry , stereochemistry , inorganic chemistry , physics , organic chemistry , catalysis , astronomy
Treatment of the (isocyanoborane)gold(I) chloride adduct [ L AuCl] [ L = (H 3 C) 3 NB(H) 2 NC] with KI at room temperature yields the unusal title compound, bis[isocyano(trimethylamino)borane]gold(I) diiodoaurate(I), [Au(C 4 H 11 BN 2 ) 2 ][AuI 2 ], which forms via an in situ rearrangement of isocyanoborane and halide ligands. The structure consists of alternating [ L 2 Au] + and [AuI 2 ] − ions, which form an infinite linear one‐dimensional chain due to aurophilic Au⋯Au interactions. Both Au atoms occupy inversion centres.
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