Synthesis and crystal structure of macrocyclic nickel(II) complex bridged by chromate |
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Authors: | Ki-Young Choi Il-Hwan Suh |
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Affiliation: | (1) Department of Chemistry, Mokwon University, Taejon, 301-729, Korea;(2) Department of Physics, Chungnam National University, Taejon, 305,764, Korea |
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Abstract: | A novel compound catena-( -CrO4-O,O )[Ni(L1)Ni(L2)] 3H2O (1) (L1 = 3,5,10,12-tetramethyl-1,4,8,11-tetraazacyclotetradecane and L2 = 2,5,9,12-tetramethyl-1,4,8,11-tetraazacyclotetradecane) has been synthesized for the first time and structurally characterized. 1 crystallizes in the triclinic space group P with a = 9.623(1), b = 10.084(1), c = 12.723 (3) Å, = 66.74(2), = 75.20(1), = 72.02(1)°, V = 1066.2(3) Å3, and Z = 2. The coordination environment around the Ni(II) ions is an axially elongated octahedron with the secondary amines of the isomeric ligands and two oxygen atoms of [CrO4]2–. |
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Keywords: | Crystal structure macrocyclic nickel(II) complex chromate |
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