Title : ( New complexes of N1,N4-disalicyliden-S-allyl-thiosemicarbazone: synthesis, spectroscopy, thermal behavior and crystal structures )
Authors: Mehdi Ahmadi , Alireza Akbari , Reza Takjoo ,
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Abstract
The products with the general formulas of VO(Asalits) 1, Mn(Asalits)Br 2, Fe(Asalits)Cl 3 and UO2(Asalits) 4 (Asalits = N1,N4-disalicyliden-Sallyl- thiosemicarbazone) are prepared by the reaction of salicylaldehyde- S-allyl-thiosemicarbazones (H2L) and salicylaldehyde with VO(SO)4, Mn(CH3COO)2, FeCl3. 6H2O and UO2(CH3COO)2. 2H2O, respectively. Complexes 1-4 were characterized by elemental analysis, spectroscopic (FT-IR and UV-visible) and TGA techniques. Crystal and molecular structures of the complexes were determined by single crystal X-ray diffraction. The results revealed that the complexes 1, 2 and 3 contain a dideprotonated tetradentate form of Asalits coordinated via N2O2 donors along with oxide, bromide or chloride ligands, respectively, and that they have distorted square pyramidal geometries. However, the complex 4 adopts a pentagonal bipyramidal geometry consisting of the N2O2 coordination of Asalits, a methanol ligand and the two oxygens of the uranyl moiety. TG analysis showed that the complex 3 is more stable than the others.
Keywords
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@inproceedings{paperid:1023878,
author = {Mehdi Ahmadi and Alireza Akbari and Takjoo, Reza},
title = {New complexes of N1,N4-disalicyliden-S-allyl-thiosemicarbazone: synthesis, spectroscopy, thermal behavior and crystal structures},
booktitle = {13th Iranian inorganic chemistry conferences},
year = {2011},
location = {IRAN},
keywords = {-},
}
%0 Conference Proceedings
%T New complexes of N1,N4-disalicyliden-S-allyl-thiosemicarbazone: synthesis, spectroscopy, thermal behavior and crystal structures
%A Mehdi Ahmadi
%A Alireza Akbari
%A Takjoo, Reza
%J 13th Iranian inorganic chemistry conferences
%D 2011
