Crystal structures of the gold NHC complex bis(4-bromo-1,3-diethylimidazol-2-ylidene)gold(I) iodide and its 1:1 adduct with trans-bis(4-bromo-1,3-diethyl-imidazol-2-ylidene)diiodidogold(III) iodide

Authors :: Rolf Büssing
Peter G. Jones
Ingo Ott
Source :: Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 12, Pp 1249-1252 (2021), Acta crystallographica : Section E, Crystallographic communications 77 (2021) 12, p. 1249-1252.-https://doi.org/10.1107/S2056989021011488--Acta Crystallogr E Crystallogr Commun--Acta Cryst. E--http://www.bibliothek.uni-regensburg.de/ezeit/?2843762--http://journals.iucr.org/e/index.html--https://www.ncbi.nlm.nih.gov/pmc/journals/2659/--2056-9890--2056-9890
Publication Year :: 2021
Publisher :: International Union of Crystallography (IUCr), 2021.
Abstract: The first title compound, [Au(C7H11BrN2)2]I, crystallizes in the space group P\overline{1} without imposed symmetry. The cations and anions are linked to form chains by Br...I...Br halogen-bond linkages. The second title compound, [Au(C7H11BrN2)2][AuI2(C7H11BrN2)2]I2, is an adduct of the first and its formally I2-oxidized AuIII analogue. It also crystallizes in space group P\overline{1}, whereby both gold atoms occupy inversion centres. The extended structure is a reticular layer involving Br...I...Br and I...I...Au linkages.

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