三(邻氟苄基）氯化锡和四(对氟苄基）锡的合成及结构研究

邻氟苄基氯或对氟苄基氯分别与锡反应合成三(邻氟苄基)氯化锡(1)和四(对氟 苄基)锡(2)．经X射线方法测定了新化合物的晶体结构．晶体结构1属单斜晶系，空 间群为P2(1)／n，晶体学参数：a＝0.5896(9)nm,b-1.262(2)nm,c=2.634(4)nm, V=1.959(5)nm^3,Z=4,Dx=1.632g/cm^3,μ（Mo Kα)=14.69cm^-1,F(000)=952, R1=0.0541,wR2=0.1280;晶体结构2属单余晶系，空间群为Cc,晶体学参数：α=1. 0778(6)nm,b=2.3312(14)nm,c=1.0888(7)nm,V=2.460(3)nm^3,Z=4,Dx=1. 499g/cm^2,μ(Mo Kα)=10.82cm^-1,F(000)=1112,R1=0.0302,wR2=0.0590.在化合 物1和2中Sn-C键长分别为0.2136-0.2148和0.2138-0.2180nm,Sn-Cl键长为0.2378 (4)nm,中心锡与亚甲基碳（氯）原子构成畸型四面体。     

三(邻溴苄基)溴化锡和四(对溴苄基)锡的合成及结构研究

邻溴苄基溴或对溴苄基溴与锡反应合成三(邻溴苄基)溴化锡(1)和四(对溴苄基)锡(2).经X射线方法测定了新化合物的晶体结构.晶体结构1属斜方六面体晶系,空间群为R-3,晶体学参数:a=1.3389(3) nm, b=1.3389(3) nm, c=2.1896(8) nm, V=3.3993(16) nm3, Z=6, Dx=2.077 Mg·m-3, μ(Mo Kα)=81.83 cm-1, F(000)=2004, R1=0.0477, wR2=0.1372;晶体结构2属正交晶系,空间群为Fdd2,晶体学参数:a=2.1027(7) nm, b=2.3034(8) nm, c=1.1431(4) nm, V=5. 536(3) nm3, Z=8, Dx=1.917 Mg·m-3, μ(Mo Kα)=67.11 cm-1, F(000)=3056, R1=0.0358, wR2=0.0659.化合物1中Sn-C键长为0.2160(8) nm, Sn-Br键长为0.2491(3) nm;化合物2中Sn-C键长分别为0.2175和0.2178 nm.中心锡与亚甲基碳(或溴)原子构成畸型四面体.     

三(3,5-二氟苄基)氯化锡和四(邻氯苄基)锡的合成、晶体结构及量子化学

3,5-二氟苄基氯和邻氯基苄基氯在适当的溶剂中与锡粉反应,合成了三(3,5-二氟苄基)氯化锡(1)和四(邻氯苄基)锡(2),经X射线衍射方法测定了新化合物的晶体结构。化合物1属单斜晶系,空间群为C2/c,晶体学参数:a=1.858 33(11)nm,b=1.140 98(7)nm,c=2.690 06(16)nm,β=109.288(10)°,V=5.383 6(6)nm3,Z=8,Dc=1.532 g·cm~(-3),μ(Mo Kα)=13.61 cm~(-1),F(000)=2 480,R1=0.085 1,wR~2=0.168 1。化合物2属单斜晶系,空间群为P21/m,晶体学参数:a=0.585 54(5)nm,b=1.969 74(18)nm,c=0.857 86(8)nm,β=95.204 0(10)°,V=0.985 34(15)nm3,Z=2,Dc=1.805 g·cm~(-3),μ(Mo Kα)=14.91 cm-1,F(000)=524,R1=0.054 0,wR_2=0.163 9;中心锡原子为畸变四面体构型。对其结构进行量子化学从头计算,探讨了化合物的稳定性、分子轨道能量以及部分前沿分子轨道的组成特征。测定了化合物的热稳定性。     

微波固相合成三(邻氯苄基)锡肉桂酸酯及其结构与量子化学研究

三(邻氯苄基)氯化锡与肉桂酸按物质的量比1∶1,通过微波固相反应合成了三(邻氯苄基)锡肉桂酸酯。经X-射线衍射方法测定了其晶体结构,化合物属三斜晶系,空间群为P1,晶体学参数a=0.974 91(3)nm,b=1.096 57(3)nm,c=1.485 91(4)nm,α=104.115 0(10)°,β=90.241 0(10)°,γ=111.715 0(10)°,V=1.423 35(7)nm3,Z=2,Dc=1.499 g.cm-3,μ(Mo Kα)=12.04 cm-1,F(000)=644,R1=0.024 9,wR2=0.083 6。中心锡与亚甲基碳和羧基氧原子构成畸型四面体。对其结构进行量子化学从头计算,探讨了配合物的稳定性、分子轨道能量以及一些前沿分子轨道的组成特征。     

三(邻氯苄基)锡3-吲哚乙酸酯的合成和结构研究

μ-氧-双[三(邻氯苄基)锡]与3-吲哚乙酸反应合成三(邻氯苄基)锡3-吲哚乙酸酯,经X射线衍射方法测定了新化合物的晶体结构.配合物属三斜晶系,空间群为P-1,晶体学参数:a=0.8376(3)nm,b=1.1118(3)nm,c=1.6557(5)nm,α=102.747(5)°,β=101.238(5)°,γ=107.683(5)°,V=1.4382(8)nm3,Z=2,Dc=1.549g/cm3,μ(Mo Ka)=11.96cm-1,F(000)=674,R1= 0.0369,Rw=0.0785;在配合物中Sn-C键长分别为0.2143(4),0.2153(4)和0.2161(4)um,Sn-O键为0.2072(3)nm.中心锡与亚甲基碳和氧原子构成畸型四面体.     

三苄基碘化锡的合成、晶体结构和量子化学研究

三苄基氯化锡与碘乙酸在苯溶剂中反应,合成了三苄基碘化锡。经X射线衍射方法测定了化合物的晶体结构。该晶体属三方晶系,空间群R3,晶体学参数a=1.6891(2)nm,b=1.6891(2)nm,c=0.60371(12)nm,γ=120°,Z=3,V=1.4917(4)nm3,Dc=1.733g.cm-3,μ(Mo Kα)=2.835 mm-1,F(000)=750,R1=0.072 2,wR2=0.171 2。中心锡与亚甲基碳和碘原子构成畸型四面体。对其结构进行量子化学从头计算,探讨了化合物的稳定性、分子轨道能量以及一些前沿分子轨道的组成特征。     

三(3,5-二甲基苄基)氯化锡和四(间氰基苄基)锡的合成、晶体结构和量子化学研究

以3,5-二甲基苄基氯和间氰基苄基氯在适当的溶剂中与锡粉反应,合成了三(3,5-二甲基苄基)氯化锡(1)和四(间氰基苄基)锡(2),经X射线衍射方法测定了化合物的晶体结构。化合物1属单斜晶系,空间群为P21/m,晶体学参数:a=0.584 03(4)nm,b=1.966 37(14)nm,c=0.856 46(5)nm,β=95.138(3),V=0.979 62(11)nm3,Z=2,Dc=1.735 g·cm-3,μ(Mo Kα)=14.53 cm-1,F(000)=524,R1=0.043 7,w R2=0.123 2。化合物2属单斜晶系,空间群为C2/c,晶体学参数:a=1.692 21(12)nm,b=1.167 41(8)nm,c=1.539 41(11)nm,β=116.615(10)°,V=2.718 9(3)nm3,Z=4,Dc=1.424 g·cm-3,μ(Mo Kα)=9.67cm-1,F(000)=1 176,R1=0.017 5,w R2=0.046 1;中心锡原子为畸变四面体构型。对其结构进行量子化学从头计算,探讨了配合物的稳定性、分子轨道能量以及部分前沿分子轨道的组成特征。     

三(o-溴苄基)锡吡咯烷基二硫代甲酸酯的合成、结构及体外抗癌活性

利用三(o-溴苄基)溴化锡与吡咯烷基二硫代甲酸钠反应,合成了三(o-溴苄基)锡吡咯烷基二硫代甲酸酯。用X射线单晶衍射测定了其晶体结构,化合物为三斜晶系,空间群P1,晶体学参数a=0.91354(11)nm,b=1.07313(13)nm,c=1.52677(18)nm,α=75.440(6)°,β=89.499(6)°,γ=72.515(7)°,V=1.3781(3)nm3,Z=2,Dc=1.868 g/cm3,μ(MoKα)=54.43 cm-1,F(000)=752,R1=0.0320,wR2=0.0765。化合物中的锡原子为四配位畸变四面体构型。对其结构进行量子化学从头计算,探讨了配合物的稳定性、分子轨道能量以及部分前沿分子轨道的组成特征。测定了配合物体外抗癌活性。     

二(o-溴苄基)锡双(二乙基二硫代氨基甲酸)酯和二(o-氯苄基)锡双(吡咯啶二硫代氨基甲酸)酯的合成、结构及体外抗癌活性研究

二(o-溴苄基)二溴化锡和二(o-氯苄基)二氯化锡分别与N,N-二乙基二硫代氨基甲酸钠和吡咯啶二硫代氨基甲酸钠反应,合成了二(o-溴苄基)锡双(二乙基二硫代氨基甲酸)酯(1)和二(o-氯苄基)锡双(吡咯啶二硫代氨基甲酸)酯(2)。用X-射线单晶衍射测定了两个化合物的晶体结构,测试结果表明:化合物1的晶体为单斜晶系,空间群P21/c,晶体学参数a=1.827 36(4)nm,b=0.900 60(2)nm,c=1.988 41(5)nm,β=114.878 0(10)°,V=2.968 71(12)nm3,Z=4,Dc=1.690 g·cm-3,μ(Mo Kα)=38.50 cm-1,F(000)=1 496,R1=0.051 6,wR2=0.154 6。化合物2的晶体为单斜晶系,空间群C2/c,晶体学参数a=2.241 28(4)nm,b=0.818 78(2)nm,c=1.542 69(3)nm,β=106.787 0(10)°,V=2.710 37(10)nm3,Z=4,Dc=1.623 g·cm-3,μ(Mo Kα)=14.65 cm-1,F(000)=1 336,R1=0.022 9,wR2=0.056 5。晶体中锡原子呈六配位畸变八面体构型。对其结构进行量子化学从头计算,探讨了配合物的稳定性、分子轨道能量以及部分前沿分子轨道的组成特征。测定了配合物的热稳定性和体外抗癌活性。     

环状二聚三(邻甲基苄基)氢氧化锡的合成、结构及量子化学研究

三(邻甲基苄基)锡氯化锡在氢氧化钠溶液中水解, 合成了环状二聚三(邻甲基苄基)氢氧化锡, 经X射线衍射方法测定了化合物的晶体结构, 属三斜晶系, 空间群为P-1, 晶体学参数: a＝1.00530(18) nm, b＝1.03580(18) nm, c＝1.08182(18) nm, α＝90.151(3)°, β＝108.317(3)°, γ＝94.871(3)°, V＝1.0650(3) nm3, Z＝1, Dc＝1.380 g/cm3, m(Mo Kα)＝0.1205 cm－1, F(000)＝451, R1＝0.0330, Rw＝0.0822. 化合物为由Sn2O2构成的平面四元环结构, 锡原子为五配位的三角双锥构型. 对其结构进行量子化学从头计算, 探讨了化合物的稳定性、分子轨道能量以及一些前沿分子轨道的组成特征.     

三(对氰基苄基)氯化锡的合成及晶体结构研究

苄基锡化合物因其具有丰富的反应性、结构特征及抗癌活性而引起人们的兴趣,最近我们合成了一系列的卤代苄基锡化合物,并报导了它们的晶体结构。在研究中我们发现苯环上连有的取     

Studies on the Synthesis,Crystal Structure and Quantum Chemistry of Di(o-cyanobenzyl)tin Bis(quinoline-2-carboxylate)

Di(o-cyanobenzyl)tin bis(quinoline-2-carboxylate)was synthesized by the reaction of tri(o-cyanobenzyl)tin chloride with quinoline-2-carboxylic acid.The molecular structure of the compound Was characterized by elemental analysis,IR,1H NMR and X-ray diffraction.Crystal data for the compound:triclinic,space group P1,a=0.80734(7),b=1.00681(9),c=1.04811(9)nm,α=81.7570(10),β=7.7240(10),γ=81.2850(10)°,V=0.77581(12)nm3,Z=1,Dc=1.488 g/cm3,μ(MoKa)=0.870 mm-1 and F(000)=350.1 The final R=0.0204 and wR=0.0530 for 2677 observed reflections with I＞2σ(I),and R=0.0208 and wR=0.0532 for all reflections.The molecular structure adopts a distorted octahedral geometry around the Sn atom.The title compound molecules are connected via hydrogen bonding interactions to form a 3D network structure.Quantum chemistry calculation study on the title compound has been performed by means of G98W package at the Lanl2dz basis set.The stability of the compound,orbital energies and some frontier molecular orbital composition characteristics have also been investigated.     

三邻氯苄基锡-2-吲哚甲酸酯的合成、谱学性质和晶体结构(英)

The tri(o-chlorobenzyl)tin ester of 2-indolylcarboxylic acid has been synthesized and characterized by elemental analysis, IR and 1H NMR. The crystal structure has been determined by X-ray single crystal diffraction. The crystal belongs to triclinic with space group P1, a=1.020 0(16) nm, b=1.125 9(18) nm, c=1.321(2) nm, α=83.10(2)°, β=67.597(18)°, γ=84.83(2)°, Z=2, V=1.391(4) nm³, D_x=1.565 Mg·m^-3, μ=1.235 mm^-1, F(000)=656, R=0.049 2, wR=0.131 4. In this compound, the central tin atom is rendered four-coordinated in a tetrahedral structure. The resulting structure is a monomer containing Sn-O bond length of 0.205 4(4) nm. CCDC: 236286.     

Studies on the Synthesis,Crystal Structure and Quantum Chemistry of Di（o-cyanobenzyl）tin Bis（quinoline-2-carboxylate）

Di（o-cyanobenzyl）tin bis（quinoline-2-carboxylate） was synthesized by the reaction of tri（o-cyanobenzyl）tin chloride with quinoline-2-carboxylic acid. The molecular structure of the compound was characterized by elemental analysis, IR, 1H NMR and X-ray diffraction. Crystal data for the compound： tficlinic, space group P1, a = 0.80734（7）, b = 1.00681（9）, c = 1.04811（9） nm, a = 81.7570（10）, β = 7.7240（10）,γ = 81.2850（10）°, V = 0.77581（12） nm3, Z = 1, Dc = 1.488 g/cm3, μ（MoKa） = 0.870 mm^-1 and F（000） = 350. The final R= 0.0204 and wR= 0.0530 for 2677 observed reflections with I 〉2σ（I）, and R = 0.0208 and wR = 0.0532 for all reflections. The molecular structure adopts a distorted octahedral geometry around the Sn atom. The title compound molecules are connected via hydrogen bonding interactions to form a 3D network structure. Quantum chemistry calculation study on the title compound has been performed by means of G98W package at the Lanl2dz basis set. The stability of the compound, orbital energies and some frontier molecular orbital composition characteristics have also been investigated.     

Synthesis and Crystal Structure of Tetra（o-cyanobenzyl）tin

The tetra（o-cyanobenzyl）tin compound has been synthesized by the reaction of cyanobenzyl chloride with tin, and its molecular structure was characterized by elemental analysis, IR spectra, ^1H NMR and X-ray diffraction. Crystal data for this compound： monoclinic, space group C2/c, Mr = 583.24, a = 1.9629（2）, b = 1.05967（13）, c = 1.41249（18） nm, β= 118.180（2）^o, V = 2.5898（5） nm^3, Z = 4, Dc =1.496 g/cm^3, μ（MoKa） = 1.015 cm^-1, F（000） = 1176, R = 0.0189, wR = 0.0497 （observed reflections with I 〉 20（I）） and R = 0.0218, wR = 0.0513 （all reflections）. The molecular structure adopts a distorted tetrahedral geometry around the tin atom. The Sn＇＂N weak interaction between the Sn and N atoms of cyano forms an intermolecular H-bonding, and the bond length is 0.3570 nm; the interaction between hydrogen of methylene and benzene ring of benzyl forms C-H…C with its bond length of 0.2817 nm; and the interaction among hydrogen of benzene ring and carbon of cyano forms Ph-H…C bond （0.2897 nm） Of the σ…π interaction. A 3D chain structure is formed by the above weak intermolecular interactions.     

一个新的锡硫配合物(Et4N)[Sn2I6SOCH3]的合成、结构及量子化学研究

以锡粉、碘粉、硫粉和四乙基碘化铵为原料,在无水甲醇中,通过溶剂热反应合成了1个新的锡髧配合物(Et4N)[Sn2I6SOCH3]。对其进行了X-射线单晶衍射、元素分析的表征以及量子化学研究。该化合物属于单斜晶系,空间群为P21,a=0.728 65 nm,b=1.836 81 nm,c=1.016 25 nm,β=107.209°,V=1.299 2 nm3,Z=2。结构分析表明,化合物中的阴离子[Sn2I6SOCH3]-是由2个共边的SnSI3O三角双锥组成。电荷分布和前沿轨道的组成充分证实了配合物中配位键的存在。     

The reaction of diphenyltin (IV) or triphenyltin (IV) chloride with 3,4,5-trimethoxybenzoyl salicylahydrazone. The crystal structure of Ph2[(MeO)3C6H2C(O)N2CHC6H4O]Sn

The title complex has been synthesized by the reaction of diphenyltin(IV) or triphenyltin(IV) chloride with 3,4,5-trimethoxybenzoyl salicylahydrazone and characterized by ¹H, ¹³C, ¹¹⁹Sn NMR, and IR spectral studies. An X-ray analysis shows that the ligand is tridentate and approximately planar and the central tin atom is in a distorted five-coordinate trigonal bipyramidal geometry. The complex crystallizes in the monoclinic space group C2/c with a = 29.194(4), b = 10.117(1), c = 22.524(3) Å, β = 124.44(2)°, V = 5486.5(8) ų, Z = 8. The Sn C bond lengths are 2.123(9) and 2.116(7) Å, and the bond length between the tin atom and the coordinating nitrogen atom (Sn–N bond) is 2.152(6) Å. The C Sn C bond angle and the bond angle between the tin atom and the two axially positioned oxygen atoms are 129.1(1) and 156.17(9)°, respectively. The structure was refined to final R = 0.056 and R_w = 0.074 for 4145 observed reflections with I > 3σ(I). © John Wiley & Sons, Inc.