Zinc(II) complexes with the tetradentate schiff base ligand N,N′-bis(1-pyridin-2-yl-ethylidene)propane-1,3-diamine: Synthesis and crystal structures
作者： H. -Q. Xie , Y. Xiong , Y. -L. Dang
DOI: 10.1134/S0022476613030189
关键词:
摘要: Two new zinc(II) complexes [ZnL(N3)]·BF4 (1) and [ZnBrL]·BF4 (2), derived from the tetradentate Schiff base ligand N,N′-bis(1-pyridin-2-yl-ethylidene)propane-1,3-diamine (L), are prepared characterized by physicochemical methods single crystal X-ray crystallography. The of is triclinic: space group P-1, a = 8.593(1) A, b 8.752(1) c 13.393(2) α 97.153(1)°, β 93.046(1)°, γ 91.577(1)°, V 997.4(2) A3, Z 2. (2) 8.351(1) 8.956(1) 13.139(2) 92.716(1)°, 94.241(2)°, 95.016(1)°, 974.8(2) geometries penta-coordinated zinc atoms in both intermediate between square pyramid trigonal bipyramid having Addison parameters 0.39 0.47 respectively. syntheses show distinct preference for anions order Br− > N3− CH3COO−.
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