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Tetra-?-benzoato-?O:O';?O:O,O';?O,O':O'-bis-[(benzoato-?O,O')(1,10-phenanthroline-?N,N')terbium(III)] benzoic acid disolvate.

ABSTRACT: The asymmetric unit of the title complex, [Tb(2)(C(7)H(5)O(2))(6)(C(12)H(8)N(2))(2)]·2C(7)H(6)O(2), consists of one-half of the complex mol-ecule, which lies on a crystallographic inversion centre, and one benzoic acid solvent mol-ecule. The two Tb(III) ions are linked by four bridging benzoate ions, with a Tb?Tb distance of 3.9280?(6)?Å. Additionally, each Tb(III) ion is coordinated by one phenanthroline heterocycle and a bidentate benzoate ion. The irregular nine-coordinated geometry of the Tb(III) ion is composed of seven O and two N atoms. The mol-ecular structure is stabilized by intra-molecular C-H?O hydrogen bonds. In the crystal structure, mol-ecules are linked into chains along the a axis by inter-molecular C-H?O hydrogen bonds. The crystal structure is further stabilized by inter-molecular C-H?O and C-H?? inter-actions. Weak ?-? inter-actions are also observed [centroid-centroid distances = 3.6275?(14)-3.6604?(14)?Å].

SUBMITTER: Ooi PH 

PROVIDER: S-EPMC2979618 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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Tetra-μ-benzoato-κO:O';κO:O,O';κO,O':O'-bis-[(benzoato-κO,O')(1,10-phenanthroline-κN,N')terbium(III)] benzoic acid disolvate.

Ooi Ping Howe PH   Teoh Siang Guan SG   Yeap Chin Sing CS   Fun Hoong-Kun HK  

Acta crystallographica. Section E, Structure reports online 20100515 Pt 6

The asymmetric unit of the title complex, [Tb(2)(C(7)H(5)O(2))(6)(C(12)H(8)N(2))(2)]·2C(7)H(6)O(2), consists of one-half of the complex mol-ecule, which lies on a crystallographic inversion centre, and one benzoic acid solvent mol-ecule. The two Tb(III) ions are linked by four bridging benzoate ions, with a Tb⋯Tb distance of 3.9280 (6) Å. Additionally, each Tb(III) ion is coordinated by one phenanthroline heterocycle and a bidentate benzoate ion. The irregular nine-coordinated geometry of the Tb  ...[more]

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