三维超分子化合物[Ag4(L)4](PMBS)4·2H2O的合成、晶体结构和荧光性质

The title compound,[Ag4(L)4](PMBS)4·2H2O (1),where L=2,5-bis (4-pyridyl)-3,4-diaza-2A-hexadiene,PMBS =p-methylbenzenesulfonate was synthesized and its crystal structure was determined by X-ray diffraction structure analysis.The crystal is of triclinic,space group P1 with a=0.820 3(2) nm,b=1.3227(3) nm,c=2.0610(3) nm,α=76.155(2)°,β=78.651 (4)°,γ=89.993(3)°,V=2.126 2(8) nm3,Z=2,Dc= 1.644 g·cm-3,F(000)= 1068,R=0.052 4,wR=0.113 6.The Ag atoms are linear coordinated by two N atoms of two L ligands,while the p-methylben-zenesulfonate molecules are included in the lattice and connected to [Ag(L)]n by hydrogen bonding interactions to form a three-dimensional supramoleculur structure.CCDC:727587.     

樟脑酸桥连一维链状钴配位聚合物{Co(phen)(H2O)[C8H14(COO)2]}n·(CH3OH)n的水热合成和晶体结构

近年来,由有机羧酸分子与金属离子通过配位键经自组装而构筑的配位聚合物,得到了突飞猛进的发展.由于这类聚合物不仅具有复杂多样的拓扑结构,而且在许多领域如材料、药物、分子电化学、分子识别和分子器件等方面的研究和开发中也表现出潜在的应用价值.所以,设计和组装具有一维、二维和三维有序结构的配位聚合物已成为超分子化学研究中最活跃的领域之一 [1～5].     

鼓形有机锡氧簇合物[nBuSn(O)(NNA)]6的合成、晶体结构及生物活性

The title complex [ⁿBuSn(O)(NNA)]₆(1), was synthesized by the reaction of ⁿBuSn(O)OH with naphthalene acetic acid in 1∶1 molar radio, where HNNA=naphthalene acetic acid. The complex was characterized by IR, ¹H NMR spectra and elemental analysis. The crystal structure was determined by X-ray diffraction method. It crystallizes in monoclinic system with space group P2₁/n. The crystal data are: a=2.647 1(5) nm, b=1.412 9(3) nm, c=2.805 7(6) nm, β=116.185(3)°, Z=4, V=9.417(3) nm³, D_c=1.595 g·cm^-3, μ=1.632 mm^-1, F(000)=4 512, R₁=0.050 3, wR₂=0.131 2. The structure shows a distorted octahedral configuration with six-coordination for the central tin atom. The bioactivity test shows that the Sn(Ⅳ) complex has selective antibacterial property. CCDC: 752497.     

1-吡啶-3-[4-(苯基偶氮)苯基]-三氮烯-溴化十六烷基吡啶-阴离子表面活性剂显色反应的研究及应用

在氢氧化钠 氯化钠 甘氨酸 (NaOH NaCl CH2 (NH2 )COOH)缓冲溶液中 ,1 吡啶 3 [4 (苯基偶氮 )苯基 ] 三氮烯 (PYPAPT)与十二烷基苯磺酸钠等阴离子表面活性剂 (AS)和溴化十六烷基吡啶 (CPB)阳离子表面活性剂形成三元紫蓝色配合物 ,配合物在 6 3 0nm处有最大吸收。利用此显色反应分别测得十二烷基苯磺酸钠、十二烷基磺酸钠、十二烷基硫酸钠阴离子表面活性剂 (AS)的表观摩尔吸光系数ε630 分别为 1 6 1× 1 0 4 、1 .44× 1 0 4 和 1 .76× 1 0 4 L·mol- 1 ·cm- 1 。方法已应用于合成水样及环境水样中阴离子表面活性剂的测定。     

茂金属配合物[Mo(eta5-C5H4Si2Me5)(CO)3Cl]的晶体结构和量子化学研究

The crystal structure of tricarbonylpentamethyldisilanylcyclopentadienyl chloro-molybdenum complex [Mo(eta⁵-C₅H₄Si₂Me₅)(CO)₃Cl] has been determined by X-ray diffraction method.A quantum chemistry calculation by means of G98W package and taking LanL2DZ basis set.The crystal belongs to orthorhombic space group Pbca with a=1.5812(5), b=1.7307(3), c=1.3339(2)nm,V=3.650(1)nm³, Z=8, D_c=1.495 g·cm^-3, μ(MoKα)= 9.97cm^-1,F(000)=1664,final R=0.027 for 2590 unique reflection [I >3σ(I)]. The bond lengths of Mo-Cl and is 0.250nm,and Mo-CO is 0.198～0.202nm. The Mo atom has a distorted tetrahedral cone geometry.     

三羰基全甲基硅基环戊二烯基钼衍生物的合成与表征

通过三羰基（五甲基二硅基）环戊二烯基钼负离子盐与卤代烃（ＥｔＩ，ＰｈＣＨ２Ｃｌ，ＣｌＣＨ２ＣＯＯＥｔ，Ｉ（ＣＨ２）４Ｉ）进行基化反应合成其烷基钼化合物。用六甲基三硅二氧烷桥联双（三羰基环戊二烯基钼）负离子经冰醋酸处理，硫酸铁氧化偶联成钼－钼键双核化合物，经碘裂解后钼－钼键生成六甲基三硅二氧烷桥联双（三羰基环戊二烯基碘钼）化合物。以元素分析，ＩＲ和１ＨＮＭＲ谱表征了化合物的结构。     

Synthesis and Crystal Structure of a Novel Ladder-like Organooxotin Cluster from 2,4,6-Trimethylbenzolic Acid and N-Benzylhydroxylamine

~~Synthesis and Crystal Structure of a Novel Ladder-like Organooxotin Cluster from 2,4,6-Trimethylbenzolic Acid and N-Benzylhydroxylamine@张春华$Department of Chemistry and Materials Science,Hengyang Normal University!Hengyang 421008,China @陈满生$Department of Chemistry and Materials Science,Hengyang Normal University!Hengyang 421008,China @李薇$Department of Chemistry and Materials Science,Hengyang Normal University!Hengyang 421008,China @杨颖群$Department of Chemistry an…     

二苄基锡二(2-哇啉甲酸)酯的合成、结构及量子化学研究

The novel dibenzyltin bis(2-quininate) has been synthesized. The crystal structure of the complex was determined by X-ray diffraction. The crystal belongs to monoclinic space group P2₁/c with a=1.840 05(14) nm, b=2.353 66(18) nm, c=2.044 31(16) nm, β=99.3130(10)°, V=8.736 9(12) nm³, Z=4, D_c=1.507 g·cm^-3, μ(Mo Kα)=9.21 cm^-1, F(000)=4 016, R₁=0.041 4, wR=0.082 1. In this compound, the tin atom rendered six-coordinated in a distorted octahedron geometry. The study on title complex has been performed, with quantum chemistry calculation by means of G98W package and taking Lanl2dz basis set. The stabilities of the complex, the orbital energies and composition characteristics of some frontier molecular orbitals have been investigated. CCDC: 609510.     

μ-氧-双[三(邻溴苄基)锡]的合成和结构研究

The tri(o-bromobenzyl)tin bromide was treated with aqueous solution of NaOH to formed the μ-oxygen-bis[tri(o-bromobenzyl)tin]. The crystal structures of compound was determined by X-ray diffraction. The crystal belongs to triclinic, space group with a=1.0544(4) nm, b=1.1029 (4) nm, c=1.1309 (4) nm, α =117.031(5) °, β=107.685 (6) °, γ=98.523(6) °, V=1.0506(6)nm³, Z=1, D_x=2.013g·cm^-3, μ(MoKα)=69.25cm^-1, F(000)=606, R₁=0.0524, wR₂=0.1196. In the struture the tin atom has a distorted tetrahedral geometry. CCDC: 220514.     

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.