Synthesis and structure of Cu5(BTA)6(TTA)4 · 5DMF, a copper-nitrogen cluster containing η Π3-benzotriazolate |
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Authors: | Jinling Wang Ming Yu Yun Yang Shuming Zhang Fangming Miao |
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Affiliation: | (1) Tianjin Normal University, 300074 Tianjin, China;(2) Tianjin Light Industry College, 300222 Tianjin, China |
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Abstract: | The Me cluster compound — Cu5(BTA)6(TT-A) 4 · 5DMF was prepared using thenyltrifluoroacetone and benzotriazolate ligands. The crystal structure indicates that a tetrahedral array of Cu(1), Cu(2), Cu(3) and Cu(4) ions surrounding a central Cu(5) ion are held together by bridging tridentate BTA− and terminated by TTA− bond cap. The three nitrogen atoms of a BTA− bond three different copper ions to form a η3-benzotriazolate. The central Cu ion has a distorted octahedral structure and the surrounding Cu ions are 5 coordinated forming distorted tetragonal structures. The distances between the surrounding Cu(II) ions and the central Cu(II) ion are in the range of 0.3561–0.3755 nm and those between the surrounding Cu(II) ions are in the range of 0.5785–0.6301 nm. |
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Keywords: | benzotriazolate (BTA) thenyltrifluoroacetone (TTA) copper-nitrogen cluster synthesis crystal structure |
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