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1.
在过去的几十年里.以Mo(W)/Cu/S簇合物为前驱物进行含簇配位聚合物的自组装一直让化学工作者对此怀有浓厚的研究兴趣。这主要是因为此类化合物不仅具有丰富的化学结构。而且在光学材料、吸附材料、生物化学等方面都具有重要的用途肚121。例如,含簇三维聚合物{[WSCu4(4,4’-bipy)4][WS4Cu4I4,4'-bipy)2]}∞不仅具有漂亮的孔洞结构,  相似文献   

2.
采用一个预制的簇合物(Et4N)2[MoS4(CuCN)2]·H2O(1)和HAc在MeCN中混合反应,生成了一个有趣的二维聚合簇合物(Et4N)3{[MoS4Cu2(m-CN)]2(m’-CN)}·2MeCN (2)。通过元素分析,红外光谱及单晶X-射线衍射分析对簇合物2进行了表征。在2的结构中,前驱体1中的MoS4Cu2簇核得到了保留,并且此簇核作为三重连接点通过单一氰桥和其他相同的簇核相连,形成一个阴离子型的2D (6,3)(蜂窝状)网络。由预制的簇合物1通过醋酸诱导形成的超分子2表明这种简单的合成方法有可能应用到许多其他相关的体系。  相似文献   

3.
In the presence of NH4PF6, reaction of [PPh4][(η5-C5Me5)WS3Cu3Br(dppm)] with excess pyridine afforded red prismatic crystals, [(η5-C5Me5)WS3Cu3Br(Py)3(dppm)](PF6) (1). It was characterized by elemental analy-sis, IR, UV-vis and 1H NMR spectroscopy and X-ray diffraction. 1 crystallizes in an orthorhombic system with space group Pna21 and unit cell parameters a=2.1124(4)nm, b=1.8944(4)nm, c=1.3338(2)nm, V=5.3375(19)nm3Z=4, Dc=1.807g·cm-3Mr=1452.42, F(000)=2864, μ=4.342mm-1R1=0.0487, wR2=0.1027. The structure of the cluster cation contains an incomplete cubane-like WS3Cu3 core where Cu(1) and Cu(2) atoms are bridged by a dppm ligand. Each of the three Cu atoms adopts a distorted tetrahedral coordi-nation geometry. The W-Cu(1), W-Cu(2) and W-Cu(3) distances are 0.27698(17)nm, 0.2772(17)nm, and 0.27065(9)nm, respectively. CCDC: 199845.  相似文献   

4.
Reaction of (NH4)2[WOS3] with CuI and 4-tert-butylpyridine (4-bpy) in EtOH afforded a tetranuclear neutral cluster [WOS3Cu3I(4-bpy)3]·0.25EtOH. This compound was characterized by elementary analysis, IR, 1H NMR, TGA, and its crystal structure was determined by X-ray single crystal diffraction. It belongs to monoclinic, space group P2/c with a=2.220 9(2) nm, b=1.364 66(11) nm, c=2.490 6(2) nm, β=104.953(2)°, V=7.292 9(12) nm3, Z=4. The title compound may be viewed as having a half-open cubane-like structure in which three [Cu(4-bpy)]+ units are linked by a triply-bridging [WOS3]2- unit and a doubly-bridging iodine atom. CCDC: 266412.  相似文献   

5.
Reaction of a preformed cluster [{(η5-C5Me5)WS3}3Cu7(MeCN)9](PF6)4 (1) in MeCN with LiCl and PPh3 gave rise to a tetranuclear cationic cluster [(η5-C5Me5)WS3{Cu(PPh3)}3Cl](PF6) (2). The title compound 2 was characterized by elementary analysis, IR, UV-Vis, 1H NMR, and its crystal structure was determined by X-ray single crystal diffraction. It belongs to monoclinic, space group P21/c with a=1.799 8(4) nm, b=2.083 6(4) nm, c=1.913 5(4) nm, β=113.63(3)°, V=6.574(3) nm3, Z=4. The cluster cation [(η5-C5Me5)WS3{Cu(PPh3)}3Cl]+ of 2 contains a strongly distorted, cubane-like structure [WS3Cu3Cl] in which one Cl weakly fills into the void of the nido-like [WS3Cu3] fragment with three relatively long Cu-Cl distances. CCDC: 270415.  相似文献   

6.
The complex {[Co(H2O)4(3,3′-azpy)](3,3′-azpy)3(PF6)2}n(3,3′-azpy=3,3′-azobispyridine) has been synthesized and characterized. The crystal (C40H40F12CoN16O4P2, Mr=1157.75) belongs to the triclinic system, space group P1 with the following crystallographic parameters: a=10.759(2),b=11.012(2), c=23.207(4)?; α=85.330(10), β=83.470(10),γ=69.770(10)°;V=2560.6(8)?3,Dc=1.502g·cm-3, μ(MoKα)= 0.498mm-1,F(000)=1178,Z=2, and final R1=0.0469, wR2=0.1053 for observed reflections 5549 (I> 2.00σ(I)).The X-ray analysis reveals that cobalt(Ⅱ) cation coordination environment is a distorted octahedral geometry, the Co2+ ion is coordinated by four oxygen atoms of water in the equatorial plane, while the two nitrogen atoms of 3,3′-azpy occupy the axial positions. The complex forms a one-dimensional chain structure via 3,3′-azpy bridging ligand. The one-dimensional chain forms three-dimensional network by hydrogen bonds and π-π inter-actions.  相似文献   

7.
黄妙龄 《无机化学学报》2010,26(10):1912-1915
<正>0 Introduction The design and synthesis of coordination polymershas been a subject of intense research due to their novel structures such as diamond,square network,brick wall network,octahedral network and so on  相似文献   

8.
The novel complex {[Co(bipy)(azpy)2(NCS)2]·H2O}n (where bipy=4,4′-bipyridine, azpy=4,4′-azobisp- yridine) has been synthesized and characterized by elemental analyses, IR, UV, thermal analyses, and vari-able-temperature magnetic susceptibility. The crystal (C32H26CoN12OS2, Mr=717.70) belongs to the orthorhombic, space group Pnna, a=2.21312(16)nm, b=1.40403(10)nm, c=1.14237(8)nm, V=3.5497(4)nm3, Z=4, Dc=1.343g·cm-3, μ=0.645mm-1, F(000)=1476, and final R1=0.0691, wR2=0.1129 for 231 parameters and 1674 observed reflections [I >2.00σ(I)]. The Co(Ⅱ) atom is, in a distorted octahedral geometry, coordi-nated by six nitrogen atoms from two bridging bipy, two monodentate azpy, and two thiocyanate groups. The bridging ligand bipy links Co(Ⅱ) atoms to form the infinite “rod" with terminal coordination azpy ligand acting as sidearms. Unprecedented three parallel interpenetrating two-dimensional (4,4) networks and novel infinite triple helices are formed via hydrogen-bonding interactions. CCDC: 155588.  相似文献   

9.
前驱团簇[Et4N]4[MS4Cu4I6](M=Mo(1a);W(1b))与双齿桥连配体1,2-双(4-吡啶基)乙烷(bpe)在苯胺溶液中反应,生成2个结构相似的一维[MS4Cu4]团簇基配位聚合物{[MS4Cu4(bpe)2(ani)2I2]·3.5ani}n(M=Mo(2),W(3);ani=苯胺)。通过元素分析、红外光谱和X-射线单晶衍射对23进行了表征。晶体结构分析表明前驱团簇1a1b中五核马鞍形[MS4Cu4]簇核分别在23中得以保留,2个桥连配体bpe连接相邻的簇核,在[111]方向延伸形成一维"Z"字形链结构。  相似文献   

10.
配位聚合物由于其具有明确有序的一维或多维微观结构以及优异独特的宏观特性,在催化、光学材料、信息存储等领域具有广泛潜在的应用前景[1~3].  相似文献   

11.
前驱团簇[Et4N]4[MS4Cu4I6](M=Mo (1a); W (1b))与双齿桥连配体1, 2-双(4-吡啶基)乙烷(bpe)在苯胺溶液中反应, 生成2个结构相似的一维[MS4Cu4]团簇基配位聚合物{[MS4Cu4(bpe)2(ani)2I2]·3.5ani}n (M=Mo (2), W (3); ani=苯胺)。通过元素分析、红外光谱和X-射线单晶衍射对23进行了表征。晶体结构分析表明前驱团簇1a1b中五核马鞍形[MS4Cu4]簇核分别在23中得以保留, 2个桥连配体bpe连接相邻的簇核, 在[111]方向延伸形成一维“Z”字形链结构。  相似文献   

12.
合成了一个五核簇合物[MoS4CU4(dppm)4](NCS)2·4(CH3)2CHOH,用单晶X-射线衍射方法测得该晶体属于单斜晶系,空间群P21/a,晶胞参数a=2.0536(2),b=1.8095(2),c=3.1951(4)nm,β=100.220(4)°,V=11.6846(23)nm3,Z=4,Dc=1.349g/cm3,μ=10.87cm-1,F(000)=4896,R=0.085,Rw=0.089.其二价簇阳离子是一个MoS4单元被一个十六原子环[-Cu-P-C-P-]4包围在中心的"主客体"结构.  相似文献   

13.
用Co2(CO)8分别与两个杂环配体C(S)NHP(S)(C6H4OCH3)OC(Ph)CH (L1)和C(S)NHC(CH3)2P(S)(Cl)N(Ph) (L2)反应,合成两个新的三核钴羰基硫簇合物Co3(CO)73-S)[μ,η2-CNP(S)(C6H4OCH3)OC(Ph)CH]()和Co3(CO)73-S)[μ,η2-SCNC(CH3)2P(S)(Cl)N(Ph)]()。用元素分析,IR, 1H NMR, 31P NMR及MS谱表征了它们的结构,同时用X射线衍射法测定了它们的晶体分子结构,二者属于三斜晶系,空间群P1,的晶胞参数为:a=0.84768(1)nm,b=1.19049(3)nm,c=1.43639(1)nm,α=86.926(1)°,β=81.601(3)°,γ=88.535(2)°,V=1.4318(5)nm3,Z=2,Dc=1.641g·cm-3,F(000)=716,μ=1.893mm-1,R=0.0602,Rw=0.1515。的晶胞参数为:a=1.2050(2)nm,b=1.2448(2)nm,c=0.8951(2)nm,α=97.49(1)°,β=93.552(4)°,γ=108.432(3)°,V=1.2554(3)nm3,Z=2,Dc=1.841g·cm-3,F(000)=690,μ=2.419mm-1,R=0.0423,Rw=0.1075。的分子骨架Co3S为三角锥构型,S作为面桥基配体,所有CO作为端基配体与三个Co原子成键。中含有CoCoCN四元环组件,中含有CoCoSCN五元环组件。  相似文献   

14.
One dimensional chain nickel(Ⅱ) coordination polymer has been synthesized with 2,4,6-trimethylbenz-oic acid, 4,4′-bipyridine and nickel perchlorate anhydrous, and characterized in the solvent mixture of water and methyl-alcohol. Crystal data for this complex: monoclinic, space group C2/ca=2.154 7(7) nm, b=1.131 9(2) nm, c=1.655 7(8) nm, β=129.66(3)°, V=3.108 7(19) nm3Dc=1.370 g·cm-3, Z=4, F(000)=1 360, final GooF=1.042, R1=0.034 4, wR2=0.078 7. The crystal structure shows that the nickel ion is coordinated with two nitrogen atoms of two 4,4′-bipyridine molecules and four oxygen atoms from two 2,4,6-trimethylbenzoic acid molecules and two water molecules, respectively, forming a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex is also reported. CCDC: 649415.  相似文献   

15.
The complex {[Co(4,4′-bpy)(H2O)4](Fum)·4H2O}n(where 4,4′-bpy = 4,4′-bipyridine and Fum = fumarate) was synthesized and characterized by X-ray diffraction. The complex consists of one-dimensional chains containing cobalt(Ⅱ) ions bridged by 4,4′-bpy molecules. The six-coordination of Co2+ is achieved by means of four water molecules. The fumarate is not coordinated to cobalt ion while it forms hydrogen bonds with coordinated and non-coordinated water molecules and extends the structure into three-dimensional hydrogen bonding network. CCDC: 190488.  相似文献   

16.
ZnO, 丙二酸及4,4'-bipy按物质的量之比1∶3∶0.3溶于H2O和DMF混合溶剂中(体积比4∶1), 形成的无色溶液在50 ℃反应 3 d, 得到了标题化合物{[Zn2(mal)2(4,4'-bipy)(H2O)2]•2(H2O)0.25} (mal=丙二酸根), 对其进行了元素分析、红外光谱和X射线衍射表征, 测定了晶体结构. 该聚合物属单斜晶系, P21/n空间群, a=0.71215(16) nm, b=1.8685(4) nm, c=0.73890(17) nm, β=91.486(5)°, V=0.9829(4) nm3, Z=4, Dc=1.811 g/cm3, Mr=268.03, F(000)=542, μ=25.02 cm-1. 最终偏离因子R1=0.0499, wR2=0.1374. 该化合物中Zn原子和三个丙二酸根中的4个O原子、一个水分子和4,4'-bipy的一个N原子配位, 形成的ZnNO5八面体通过4,4'-bipy和丙二酸根桥联, 组成一种新颖的三维多孔结构, 其孔道中充填游离水分子. 此外还研究了该聚合物的热性质.  相似文献   

17.
A coordination complex of [Cu(bpb)0.5(CH3COO)2]n (bpb=1,4-bis(pyridine-3-aminomethyl)benzene) has been synthesized and characterized by elemental analysis, IR spectra, TG and X-ray single crystal diffraction. The title complex crystallizes in triclinic with space group P1, a=0.771 98(15) nm, b=0.827 62(17) nm, c=1.116 0(2) nm, α=96.71(3)°, β=90.03(3)°, γ=105.39(3)°, and V=0.682 4(3) nm3, Z=2, R=0.042 4, wR=0.091 1. The title complex is composed of dicopper tetracarboxylate units. Copper(Ⅱ) atom asumes a square-pyramidal coordination geometry formed with one pyridyl N atom from bpb and four O atoms from four bridging acetate anions. Two adjacent dicopper tetracarboxylate units are linked into a 1D chain by the bpb ligands, which were further connected by inter-chain hydrogen bonds to form a 2D network structure. CCDC: 667605.  相似文献   

18.
A novel coordination polymer of [Co(p-CPOA)(2,2′-bipy)(H2O)]n (p-CPOA2-=4-carboxylphenoxyacetate dianion, 2,2′-bipy=2,2′-bipyridine) was synthesized and characterized by elemental analysis, IR and X-ray single crystal diffraction. The title complex crystallizes in monoclinic space group C2/c, with a=1.424 4(3) nm, b=1.316 6(3) nm, c=1.947 7(4) nm, β=104.56(3)°. V=3.535 3(14) nm3, Z=8, R=0.028 5, wR=0.089 1. The cobalt(Ⅱ) ion displays a distorted octahedral coordination geometry, defined by three carboxyl oxygen atoms from different p-CPOA2- groups, two nitrogen atoms from 2,2′-bipyridine ligand and one water molecule. The cobalt atoms are bridged by p-CPOA2- groups, forming a one-dimensional chain structure along a axis. The adjacent Co…Co atoms distance is 0.996 8 nm. A layer supramolecular network is contrsucted by the hydrogen bonds and π-π stacking interactions. CCDC: 220039.  相似文献   

19.
A novel coordination polymer of {[Co(4,4′-bipy)(ambdc)(H2O)2](4,4′-bipy)(DMF)}n has been synthesized using 5-aminoisophthalic acid (H2ambdc), 4,4′-bipyridine(4,4′-bipy) and metal salts. The ambdc ligand in title compound has a μ2-monodentate coordination mode and the structure of the title compound is a two-dimensional network. CCDC: 279054.  相似文献   

20.
A novel one-dimensional coordination polymer, {[Cd(PAc)2(4,4-bipy)(H2O)]·4H2O}n (HPAc=phenyl acetic acid, 4,4′-bipy=4,4′-bipyridine) was synthesized and characterized by element analysis, IR, TG and X-ray single diffraction crystal structure determination. It crystallizes in the monoclinic space group C2/c with a=2.088 5(4) nm, b=0.839 05(17) nm, c=1.683 5(3) nm, β=105.45(3)° and V=2.843 5(10) nm3, Z=4, Mr=628.94, F(000)=1 288, μ=0.820 mm-1, R=0.019 9, wR=0.056 5. Each cadmium(Ⅱ) atom is seven-coordinated by four oxygen atoms from two different phenyl acetate groups and two nitrogen atoms from two 4,4′-pyridine ligands and one water molecule, forming a distorted pentagonal bipyramid coordination geometry. Adjacent cadmium(Ⅱ) atoms are bridged by 4,4′-pyridine ligand, constructing a infinite chain along the diagonal direction of ac plane. The Cd…Cd separation within the polymer is 1.164 6(4) nm. The three-dimensional supramolecular structures of the title complexes are constructed by hydrogen bonding interactions and π-π stacking interactions between the benzene rings of HPAc and 4,4′-bipy. CCDC: 616697.  相似文献   

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