Received 21 June 2013
aCollege of Chemistry, Leshan Normal University, Binhe Rd 778, Leshan 614000, Sichuan Province, People's Republic of China, and bZhengzhou Research Institute of Comprehensive Utilization of Mineral Resourses of CAGS, Longhai Rd 328, Zhengzhou 450006, Henan Province, People's Republic of China
Correspondence e-mail: email@example.com
The title compound, [Al(C5H8N2)Cl3], was prepared by a thermolytic decomposition under high-vacuum conditions and presents a formal adduct of an Arduengo carbene, 1,3-dimethyl-1H-imidazol-2-ylidene, and aluminium trichloride. The Al atom adopts a pseudo-tetrahedral CCl3 coordination environment. All N and C atoms, the Al atom, one of the Cl atoms, and all aromatic H atoms of the molecule lie on a mirror plane. As a result of the mirror symmetry of the molecule, the H atoms of all methyl groups are disordered between symmetry-equivalent positions.
For related structurally characterized Arduengo carbene AlX3 (X = Cl, I) adducts, see: Stasch et al. (2004); Ghadwal et al. (2009); Bantu et al. (2009). For thermolytic interconversion of sterically non-hindered 1,3-dialkyl-1H-imidazolium salts with BF4- and PF6- anions into Arduengo carbene adducts with BF3 and PF5, see: Tian et al. (2012). For the crystal structure of the precursor employed in the synthesis of the title compound, see: Tian et al. (2013). For a description of the Cambridge Structural Database, see: Allen (2002).
Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and OLEX2 (Dolomanov et al., 2009); software used to prepare material for publication: SHELXTL and OLEX2.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: WM2754 ).
Financial support from the National Natural Science Foundation of China (project Nos. 20702041 and 21072157) and the Shaanxi Province Administration of Foreign Experts Bureau Foundation (grant No. 20106100079) is gratefully acknowledged. The authors are thankful to Mr Pengfei Su (Xi'an Modern Chemistry Research Institute, East Zhangba Road 168, Xi'an 71065, Shaanxi Province, China) for his help in performing the X-ray experiment.
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