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{1,8-Bis[2-(2-oxidobenzyl-idene-amino)phen-oxy]-3,6-dioxaocta-ne}nitrato-praseodymium(III) trichloro-methane solvate.

ABSTRACT: In the title compound, [Pr(C(32)H(30)N(2)O(6))(NO(3))]·CHCl(3), the Pr(III) ion is ten-coordinated by eight O atoms and two N atoms from the acyclic crown-type Schiff base ligand and the bidentate nitrate group. The coordination polyhedron around Pr(III) is a distorted bicapped square anti-prism. The chloro-form solvent mol-ecule is not involved either in coordination to the Pr(III) center or in hydrogen bonding to the complex. The Pr-O(phenolate) bonds are significantly shorter than the Pr-O(ether) and Pr-O(nitrate) bonds, which suggests that the Pr-O(phenolate) bond is stronger than these other bonds. In the crystal structure, the acyclic crown-type Schiff base ligand wraps around the Pr(III) centre, forming a pseudo-ring.

SUBMITTER: Liu WS 

PROVIDER: S-EPMC2961995 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature

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{1,8-Bis[2-(2-oxidobenzyl-idene-amino)phen-oxy]-3,6-dioxaocta-ne}nitrato-praseodymium(III) trichloro-methane solvate.

Liu Wei-Sheng WS   Wang Hui-Juan HJ   Tang Xiao-Liang XL   Zang Zhi-Peng ZP   Wang Da-Qi DQ  

Acta crystallographica. Section E, Structure reports online 20080731 Pt 8

In the title compound, [Pr(C(32)H(30)N(2)O(6))(NO(3))]·CHCl(3), the Pr(III) ion is ten-coordinated by eight O atoms and two N atoms from the acyclic crown-type Schiff base ligand and the bidentate nitrate group. The coordination polyhedron around Pr(III) is a distorted bicapped square anti-prism. The chloro-form solvent mol-ecule is not involved either in coordination to the Pr(III) center or in hydrogen bonding to the complex. The Pr-O(phenolate) bonds are significantly shorter than the Pr-O(et  ...[more]

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