Synthesis and structure of the mercury chloride complex of 2,2′-(2-bromo-5-tert-butyl-1,3-phenylene)bis(1-methyl-1H-benzimidazole)

• Main Authors: Varsha Rani, Harkesh B. Singh, Ray J. Butcher
• Format: Article
• Language: English
• Published: International Union of Crystallography 2017-03-01
• Series: Acta Crystallographica Section E: Crystallographic Communications
• Subjects: crystal structure; mercury coordination polymer; (benzimidazol-2-yl)benzene ligands
• Online Access: http://scripts.iucr.org/cgi-bin/paper?S2056989017001888
• ISSN: 2056-9890

In the title mercury complex, catena-poly[[dichloridomercury(II)]-μ-2,2′-(2-bromo-5-tert-butyl-1,3-phenylene)bis(1-methyl-1H-benzimidazole)-κ2N3:N3′], [HgCl2(C26H25BrN4)]n, the HgII atom is coordinated by two Cl atoms and by two N atoms from two 2,2′-(2-bromo-5-tert-butyl-1,3-phenylene)bis(1-methyl-1H-benzimidazole) ligands. The metal cation adopts a distorted tetrahedral coordination geometry with with bond angles around mercury of 100.59 (15)° [N—Hg—N] and 126.35 (7)° [Cl—Hg—Cl]. This arrangement gives rise to a zigzag helical 1-D polymer propagating along the b-axis direction.