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

ABSTRACT: The asymmetric unit of the title complex, [Eu(2)(C(7)H(5)O(2))(6)(C(12)H(8)N(2))(2)]·2C(6)H(5)COOH, contains one-half of the complex mol-ecule, the complete mol-ecule being generated by inversion symmetry, and one benzoic acid solvent mol-ecule. The two Eu(III) ions are linked by four bridging benzoate ions, with an Eu?Eu distance of 3.96041?(12)?Å. Each Eu(III) ion is coordinated by one phenanthroline heterocycle and a bidentate benzoate ion. The irregular nine-coordinated geometry of the metal 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 by inter-molecular C-H?O hydrogen bonds along the a axis. 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 = 3.6962?(10)-3.6963?(10)?Å].

SUBMITTER: Ooi PH 

PROVIDER: S-EPMC2979066 | biostudies-literature | 2010 Apr

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')europium(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 20100430 Pt 5

The asymmetric unit of the title complex, [Eu(2)(C(7)H(5)O(2))(6)(C(12)H(8)N(2))(2)]·2C(6)H(5)COOH, contains one-half of the complex mol-ecule, the complete mol-ecule being generated by inversion symmetry, and one benzoic acid solvent mol-ecule. The two Eu(III) ions are linked by four bridging benzoate ions, with an Eu⋯Eu distance of 3.96041 (12) Å. Each Eu(III) ion is coordinated by one phenanthroline heterocycle and a bidentate benzoate ion. The irregular nine-coordinated geometry of the metal  ...[more]

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