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Synthesis, structure and properties of hexacoordinated compounds of cadmium(II) halides/pseudohalides containing a pentadentate N-donor Schiff base

✍ Scribed by Bhola Nath Sarkar; Somnath Choubey; Kishalay Bhar; Soumi Chattopadhyay; Partha Mitra; Barindra Kumar Ghosh

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
825 KB
Volume
994
Category
Article
ISSN
0022-2860

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✦ Synopsis

Five hexacoordinated compounds of type [Cd(L)(X)]YÁnMeCN (1)(2)(3)(4)(5) 5)] are synthesized and characterized. Structures of all the compounds are solved by X-ray diffraction measurements. Structural analyses reveal that each cadmium(II) center adopts a distorted octahedral geometry bound by five N atoms of L along with terminal halide in 1-3 and N atom of terminal pseudohalide in 4 and 5. Intermolecular NAHÁ Á ÁO, CAHÁ Á ÁO, NAHÁ Á ÁF and CAHÁ Á ÁF hydrogen bondings and CAHÁ Á Áp interactions as is the case lead to different crystalline aggregates in 1-5. The complexes display intraligand 1 (pAp à ) fluorescence in DMF solutions at room temperature.

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