Alanine- and taurine-salicylal Schiff base complexes of magnesium |
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| Authors: | S R Luan Y H Zhu Y Q Jia |
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| Institution: | 1.Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering,East China University of Science and Technology,Shanghai,P.R. China;2.Research Center of Analysis and Test, School of Chemistry and Molecular Engineering,East China University of Science and Technology,Shanghai,P.R. China;3.Department of Chemistry, School of Chemistry and Molecular Engineering,East China University of Science and Technology,Shanghai,P.R. China |
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| Abstract: | The complexes of α-alanine-salicylal Schiff base of magnesium (α-ASSM), β-alanine-salicylal Schiff base of magnesium (β-ASSM)
and taurine-salicylal Schiff base of magnesium (TSSM) were synthesized. The formulae of the complexes are MgOC6H4CHNCH(CH3)COO]·2H2O, MgOC6H4CHNCH2CH2COO]·2H2O and MgOC6H4CHNCH2CH2SO3]·2H2O. The crystal structure belongs to orthorhombic system with the lattice parameters: a=1.6954 nm, b=2.0873 nm and c=2.3037 nm for the β-ASSM, to orthorhombic system with the lattice parameters: a=1.5586 nm, b=1.8510 nm and c=2.6240 nm for the β-ASSM, to monoclinic system with the lattice parameters: a=1.3232 nm, b=1.4960 nm, c=2.1543 nm and β=98.04° for the TSSM, respectively. The results of the thermal decomposition processes and infrared spectra
of the complexes show that the complexes may possess different coordination structures. |
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| Keywords: | alanine crystal structure infrared spectra magnesium salicylal Schiff base taurine thermal decomposition |
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