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Crystal structure of (C9H17N2)3Bi2I9

James, Z., Cai, Y. and Vaqueiro, P. ORCID: https://orcid.org/0000-0001-7545-6262 (2021) Crystal structure of (C9H17N2)3Bi2I9. Acta Crystallographica Section E: Structure Reports Online, 77 (9). jq2007. ISSN 1600-5368

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To link to this item DOI: 10.1107/S2056989021007799

Abstract/Summary

Single crystals of (C9H7N2)3Bi2I9, tris(2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium) tris(μ2-iodo)-bis(tri-iodobismuth(III)), were prepared by a solvothermal method, heating a mixture of BiI3, KI, 1,8-diazabicyclo [5.4.0]undec-7-ene (DBU) and ethanol at 170°C for six days. The asymmetric unit of the title compound, which crystallises in the monoclinic space group P21/c, contains one [Bi2I9]3- anion and three protonated DBUH+ moieties. The dinuclear [Bi2I9]3- anions, which are composed of face-sharing BiI6 3- octahedra, are packed in columns parallel to the [010] direction, and separated by protonated DBUH+ moieties. The optical band gap of (C9H7N2)3Bi2I9 is 2.1 eV.

Item Type:Article
Refereed:Yes
Divisions:Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Thermal (CAF)
Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Xray (CAF)
ID Code:99396
Publisher:International Union of Crystallography

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