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(Methanol-?O)bis-{2-meth-oxy-6-[(4-methyl-phen-yl)iminiometh-yl]phenolato-?O,O'}tris-(nitrato-?O,O')lanthanum(III).

ABSTRACT: The asymmetric unit of title compound, [La(NO(3))(3)(C(15)H(15)NO(2))(2)(CH(3)OH)], consists of two Schiff base 2-meth-oxy-6-[(4-methyl-phen-yl)iminiometh-yl]phenolato (HL) ligands, three independent nitrate anions and one methanol mol-ecule coordinated to La(III). The coordination environment of the La(III) ion is formed by eleven O atoms. Three bidentate nitrate anions coordinate to the La(III) ion, while two HL ligands chelate the metal center with O atoms from the phenolate and meth-oxy groups. The HL ligands are zwitterionic, with protonated imine N atoms. The coordination sphere is completed by one methanol mol-ecule. The protonated imine N atoms are involved in intra-molecular N-H?O hydrogen bonds with the phen-oxy groups and nitrate ligands. One O atom of one nitrate group is disordered over two sites of equal occupancy.

SUBMITTER: Liu JL

PROVIDER: S-EPMC2983206 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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(Methanol-κO)bis-{2-meth-oxy-6-[(4-methyl-phen-yl)iminiometh-yl]phenolato-κO,O'}tris-(nitrato-κO,O')lanthanum(III).

Liu Jia-Lu JL Cai Hai-Ting HT Zhao Guo-Liang GL

Acta crystallographica. Section E, Structure reports online 20100930 Pt 10

The asymmetric unit of title compound, [La(NO(3))(3)(C(15)H(15)NO(2))(2)(CH(3)OH)], consists of two Schiff base 2-meth-oxy-6-[(4-methyl-phen-yl)iminiometh-yl]phenolato (HL) ligands, three independent nitrate anions and one methanol mol-ecule coordinated to La(III). The coordination environment of the La(III) ion is formed by eleven O atoms. Three bidentate nitrate anions coordinate to the La(III) ion, while two HL ligands chelate the metal center with O atoms from the phenolate and meth-oxy grou ...[more]

PMID: 21587463

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Bis{2-meth-oxy-6-[(4-methyl-phen-yl)iminiometh-yl]phenolato-κO,O}tris-(nitrato-κO,O')methano-lsamarium(III).

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Project description:The asymmetric unit of the title compound, [Ce(NCS)(3)(C(15)H(15)NO(2))(3)], contains three Schiff base 2-methoxy-6-[(4-methyl-phenyl)iminometh-yl]-phenol (HL) ligands and three independent thio-cyanate ions that coordinate the cerium ion via their N atoms. The protonated imine N atoms are involved in an intra-molecular hydrogen bond with the respective phenoxide group. The Ce(III) ion exhibits a coordination number of nine.

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