SYNTHESIS AND MOLECULAR STRUCTURE OF THE COMPLEXES OF TRIMETHYL- AND TRIBUTYLTIN CHLORIDE WITH 3-(3-BENZOYL THIOUREIDO) PROPIONIC ACID

Hamza M. Ahmed Abosadiya, Bohari M. Yamin

Abstract


Both trimethyl- and tributyltinchloride formed complexes with 3-(3-benzoylthioureido) propionic acid  with molecular formula of R3Sn(C11H11N2O2S) where R is methyl and butyl groups respectively.  The complexes crystallized in monoclinic system with  P21/c space groups and the unit cell dimension are a= 13.854(3) , b= 10..839(2), c= 12.871(5)Å, b=113.928(3)º, V= 1717.8(2) Å 3 and Z=4  and a= 15.768(4) , b= 9.666(4), c= 18.235(5)Å,  b=104.209(4)º, V= 2696.1(12) Å 3 and Z=6 respectively.  The polymeric nature of the complexes in the solid state provide the  formation of  the distorted trigonal bypiramidal geometry  for the central tin  atoms which coordinated  to the ligand via both the hydroxyl and  carbonyl oxygen atoms. The  bond length between tin atom and  the carbonyl oxygen atom in both complexes is longer than the Sn-Ohydroxyl

Keywords: synthesis, molecular structure, tin complexes


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