PhCH2)3Sn·(O2CC5H4N)·(H2O)]n was synthesized by the reaction of 4-pyridine car-boxylic acid with the tribenzyltin o xide and was characterized by IR,1 H NMR and MS.Its crystal structure was determined by X-r...PhCH2)3Sn·(O2CC5H4N)·(H2O)]n was synthesized by the reaction of 4-pyridine car-boxylic acid with the tribenzyltin o xide and was characterized by IR,1 H NMR and MS.Its crystal structure was determined by X-ray single crystal diffraction.The crystal belongs to monoclinic.The space group P21 /c with unit cell parameters a=1.2241(8)nm,b=0.9660(6)nm,c=2.3708(15)nm,β=102.722(12)°,V=2.734(3)nm3,Z =4,Dc=1.298g·cm-3 .In crystal,the tin atom rendered five-coordinate in a trigo nal bipyramidal structure which is b ridged by 4-pyridine carboxy-late into one-dimensional chain polymers.展开更多
The title ladder organotin carboxylate,{[(C6H5CH2)2Sn]4(p-NH2C6H4-COO)2O2(OCH3)2}·0.5H2O 1,has been synthesized and structurally characterized by elemental analyses,IR and single-crystal X-ray diffraction a...The title ladder organotin carboxylate,{[(C6H5CH2)2Sn]4(p-NH2C6H4-COO)2O2(OCH3)2}·0.5H2O 1,has been synthesized and structurally characterized by elemental analyses,IR and single-crystal X-ray diffraction analysis.Complex 1 is located across on an inversion center and displays a Sn4O4 ladder-like structure with a one-dimensional supramolecular chain through C-H…π interactions.In the asymmetric unit two Sn(Ⅳ) atoms assume similar trigonal bipyramidal coordination geometry.Two aminobenzoate groups coordinate to the terminal Sn(Ⅳ) atoms.The deprotonated methanol molecule bridges two independent Sn(Ⅳ) atoms.A half of lattice water molecule is disorderly filled in the cavity formed by Sn(Ⅳ) complexes.展开更多
文摘PhCH2)3Sn·(O2CC5H4N)·(H2O)]n was synthesized by the reaction of 4-pyridine car-boxylic acid with the tribenzyltin o xide and was characterized by IR,1 H NMR and MS.Its crystal structure was determined by X-ray single crystal diffraction.The crystal belongs to monoclinic.The space group P21 /c with unit cell parameters a=1.2241(8)nm,b=0.9660(6)nm,c=2.3708(15)nm,β=102.722(12)°,V=2.734(3)nm3,Z =4,Dc=1.298g·cm-3 .In crystal,the tin atom rendered five-coordinate in a trigo nal bipyramidal structure which is b ridged by 4-pyridine carboxy-late into one-dimensional chain polymers.
基金Supported by the National Natural Science Foundation of China (No 20873181)Taishan Scholars Construction Engineering (No ts20070704)+1 种基金Research Fund for the Doctoral Program of Higher Education of China (200804250502)Natural Science Foundation of Shandong Province (Y2008F20)
文摘The title ladder organotin carboxylate,{[(C6H5CH2)2Sn]4(p-NH2C6H4-COO)2O2(OCH3)2}·0.5H2O 1,has been synthesized and structurally characterized by elemental analyses,IR and single-crystal X-ray diffraction analysis.Complex 1 is located across on an inversion center and displays a Sn4O4 ladder-like structure with a one-dimensional supramolecular chain through C-H…π interactions.In the asymmetric unit two Sn(Ⅳ) atoms assume similar trigonal bipyramidal coordination geometry.Two aminobenzoate groups coordinate to the terminal Sn(Ⅳ) atoms.The deprotonated methanol molecule bridges two independent Sn(Ⅳ) atoms.A half of lattice water molecule is disorderly filled in the cavity formed by Sn(Ⅳ) complexes.