Abstract
The reaction of Zn(NO 3 ) 2 ·6H 2 O, NH 4 SCN and bpp (bpp = 1,3-bis(4-pyridyl)propane) in CH 3 OH afforded the complex [Zn(NCS) 2 (bpp)] n , 1, while the reaction of Zn(ClO 4 ) 2 ·6H 2 O and bpp in CH 3 OH afforded the complex [Zn(ClO 4 ) 2 (bpp) 2 ] n , 2. Both complexes have been characterized by spectroscopic methods and their structures have been determined by X-ray crystallography. Crystal data for 1: Orthorhombic, space group P2 1 2 1 2, a = 12.857(6), b = 14.822(7), c = 4.820(2) A, β = 90°, V = 918.5(8) A 3 , Z = 2 with final residuals R1 = 0.0747 and wR2 = 0.1657. Crystal data for 2: Tetragonal, space group 14/mcm, a = 11.612(1), b = 11.612(1), c = 23.247(9) A, β = 90°, V = 3135(1) A 3 , Z = 4 with final residuals Rl = 0.0523 and wR2 = 0.1064. The coordination polymers display a variety of structural architectures, ranging from zigzag chains (1) and one-dimensional channel-type architectures (2). The effects of the orientation of the nitrogen atom in the pyridine rings on the resultant structures are discussed.
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