1,1′-(Butane-1,4-diyl)dipyridinium dibromidodiiodidomercurate(II)

✍ Scribed by Jia, Han-Dong ;Li, Zhong-Jun ;Niu, Yun-Yin ;Liu, Xiu-Cun ;Ng, Seik Weng

• Publisher: International Union of Crystallography
• Year: 2007
• Tongue: English
• Weight: 511 KB
• Volume: 63
• Category: Article
• ISSN: 1600-5368
• DOI: 10.1107/s160053680702747x

✦ Synopsis

The Hg atom in the title compound, (C 14 H 18 N 2 )[HgBr 2 I 2 ], is coordinated by four halogen atoms in a tetrahedral geometry. The four halogen atoms are disordered between I and Br, with the I:Br ratios being 0.824 (2):0.176 (2), 0.614 (2):0.386 (2), 0.325 (2):0.675 (2) and 0.237 (2):0.763 (2). The cation is disordered over two orientations and each was refined with an occupancy of 0.50.

Related literature

For the related butanedipyridinium bromidotrichloridomercurate, see: Niu et al. (2007). Experimental Crystal data (C 14 H 18 N 2 )[HgBr 2 I 2 ] M r = 828.51 Orthorhombic, Pbca a = 16.0181 (8) A b = 15.3290 (7) A c = 17.2550 (8) A ˚V = 4236.8 (3) A ˚3 Z = 8 Mo K radiation = 13.95 mm À1 T = 295 (2) K 0.20 Â 0.20 Â 0.20 mm Data collection Bruker APEX area-detector diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 1996) T min = 0.059, T max = 0.165 (expected range = 0.022-0.061) 31877 measured reflections 3722 independent reflections 2713 reflections with I > 2(I) R int = 0.054 Refinement R[F 2 > 2(F 2 )] = 0.035 wR(F 2 ) = 0.091 S = 1.01 3722 reflections 198 parameters