三维超分子化合物[H_2(C_4H_(10)N_2)](SO_4)(H_2O)的制备、晶体结构及差热-热重性质研究

用MnSO4H2O和哌嗪在水-甲醇混合溶剂中反应得到了1个超分子化合物[H2(C4H10N2)](SO4)(H2O) (C4H14N2O5S)。 该晶体属单斜晶系, 空间群为P21/n, 晶胞参数为: a = 6.386(1), b = 11.695(2), c = 11.680(2) ? = 101.06(3), V = 856.1(3) 3, Z = 4, Mr =202.23 , Dc = 1.569 g/cm3, F(000) = 432, ?= 0.368 mm-1。 该化合物是由[H2(C4H10N2)]2+、SO42-、H2O通过氢键自组装而形成的。 其中[H2(C4H10N2)]2+存在2种椅式构象:一种[H2(C4H10N2)]2+与4个SO42-、2个H2O通过氢键相连, 另一种[H2(C4H10N2)]2+则与6个SO42-相连。 它们分别沿着b、c方向交替排列展开, 通过SO42-桥联成二维的层状结构;层与层之间在NH…O、CH…O、OH…O氢键的作用下互相连接, 形成了具有网状结构的三维超分子化合物。 差热及热重测试表明:该化合物从92℃开始分解,首先失去1个H2O, 然后再失去[H2(C4H10N2)]2+和SO4 2-。     

配位聚合物[Ni(H_2O)_6]·[Ni_2(phen)_2(BTC)_2(H_2O)_4]·4H_2O的水热合成和结构表征

采用水热法合成了新的配合物[Ni(H2O)6].[Ni2(phen)2(BTC)2(H2O)4].4H2O(phen=邻菲啰啉;BTC=均苯三甲酸),采用X射线单晶衍射结构分析及元素分析、红外光谱等表征,并用TGA检测了该配合物的热稳定性.晶体属于三斜晶系,空间群为P-1,晶胞参数a=0.84038(7)nm,b=0.92048(8)nm,c=1.64793(14)nm,α=97.3850(10)°,β=102.7930(10)°,γ=104.9700(10)°,V=1.17736(17)nm3,F(000)=622,Z=1.标题化合物的不对称结构是由NiO6单元和1个二聚物Ni2N4O12单元组成的,该二聚物单元通过2个邻菲啰啉和2个均苯三甲酸分子构筑了1个八元环.氢键将2个独立的结构单元连接成三维结构.     

超分子化合物[Ni(C_6H_4O_2N)_2·(H_2O)_4]_n的水热合成及晶体结构

用皮考林酸和六水合氯化镍反应制备了一种三维氢键超分子配合物,经X射线衍射分析确定了单晶结构.该晶体属单斜晶系,P21/m空间群,晶胞参数为:a=0.976 0(2)nm,b=0.522 54(10)nm,c=1.450 1(3)nm,Mr=374.98,α=90.08(3)°,β=90.08(3)°,γ=90°,V=0.739 63(3)nm3,Z=2,ρ=1.684 g/cm3,F(000)=388,μ=1.357 mm-1,R=0.039 0,wR=0.090 8.共收集2 656个衍射数据,其中1 569个为独立衍射点(Rint=0.033 2),可观测点数1 382个(I>2σ(I)).结果表明,在组成该超分子体系的基本结构单元[N i(C6H4O2N)2.(H2O)4]中,N i(Ⅱ)离子形成六配位的稍拉长的八面体构型,配合物单元之间通过氢键相互连接,形成了无限延伸的具有网状结构的三维超分子体系.     

[Ni(C_5H_5N)_2(C_7·H_6O_2N)_2]H_2O三元配合物的合成及晶体结构

合成了标题化合物。该化合物的分子式[Ni(C5H5N)2(C7H6O2N)2]H2O(C24H24N4NiO3),分子量475.18,采用单色的MoKα (λ = 0.71073 )射线测定,共收集7408个数据,其中独立衍射点2567个(Rint = 0.0272),I > 2s(I)可观测点数1926个,结果表明该化合物属单斜晶系, 空间群C2/c其晶胞参数为: a = 14.466(2),b = 12.193(2),c = 14.072(2) ;β = 116.229(2)°,V = 2226.6(5) 3,Z = 4,Dc = 1.418 g/cm3 ,μ = 0.905 mm-1,F(000) = 992. 2个水杨醛亚胺各提供2个配位原子参与配位,2个吡啶各提供1个配位原子参与配位,该配合物是六配位的八面体构型,同时讨论了该体系中不同配位原子的配位能力的差异。     

超分子化合物[CO(bppdca)_2(HL)_2(H_2O)_2]·2H_2O]的晶体结构和性质

以N,N′-二(3-吡啶基)-吡啶-3,5-二甲酰胺(bppdca)和1,4-环己烷二羧酸(H2L)为混合配体,利用水热合成方法获得了一个三维的超分子化合物[CO(bppdca)2(HL)2(H2O)2]·2H2O],并通过元素分析、IR和单晶X射线衍射技术确定了该化合物晶体结构.结构分析表明该化合物属单斜晶系,P21/n空间群,晶胞参数a=0.820 65(6)nm,b=1.259 76(9)nm,c=2.479 11(18)nm,β=98.061 0(10)°,Z=2,V=2.537 6(3)nm3,Mr=1 111.98,Dc=1.455g/cm3,F(000)=116 2,μ=0.421mm-1,S=1.018,R=0.041 7,wR=0.102 3.晶体结构分析表明,配合物中的CoⅡ与2个bppdca配体、2个HL阴离子以及2个配位水分子形成单金属配合物.相邻的配合物通过氢键作用拓展成三维超分子框架.另外,也研究了该化合物的热稳定性、荧光性质以及光催化性质.     

K_(4.5)Na_4(H_3O)_(3.5)[Ce(SiW_(11)O_(39))_2]·23H_2O的合成和晶体结构

合成了标题化合物K4.5Na4(H_3O)3.5 [Ce(SiW11O39)2]·23H_2O,用单晶X-ray 衍射方法测定了它的结构,该晶体属三斜晶系,空间群P,a=16.531(4) ,b=23.193(4),c=12.764 (2)?,α= 99.740(6),β = 91.90(1), γ = 94.84(1)°,V = 4801(2) ?3,Mr = 6180.91, Z=2,Dc = 4.276 g·cm－3,μ(MoKα)= 27.06 mm－1, F(000)= 5359, R = 0.0781 ,wR = 0.1838,I >2((I) 的可观察衍射点11936个。该分子是由2个α-SiW11O39结构单元通过1个铈离子联结起来,铈离子八配位,形成了1个畸变的十二面体结构,Ce-O键长2.39(2)～2.45(3) ?。在杂多化合物中,硅氧四面体的氧原子存在μ4-Oc和μ3-Oc的2种配位状态。     

H_(10)[NiMo~Ⅴ_(12)O_(40){Ni(H_2O)_3}_4]的水热合成和晶体结构

在水热的条件下合成了1个标题的Mo-Ni-O异核簇合物,化学式为H34Ni5Mo12O52 (Mr = 2311.10),用单晶X射线衍射方法测定了它的结构,该晶体属四方晶系,I41/amd空间群,晶胞参数为a = 15.319(2),c = 30.645(3) ,V = 7191.2(16) 3,Z = 4,Dc = 2.135 g/cm3,μ= 3.369 mm-1, F(000) = 4376, 1036个可观察衍射点(I > 2s(I)),最终结构偏离因子R = 0.0560,wR = 0.1632,S = 1.002。该化合物簇阴离子笼中心是Ni2+,由12个MoO6八面体和4个NiO6八面体通过共角和共边构成。     

Strandberg型杂多化合物(C_6H_(11)NH_3)_5H(P_2Mo_5O_(23))4H_2O的水热合成及结构

利用水热合成法合成了分子组成为(C6H11NH3)5H(P2Mo5O23)4H2O的杂多化合物, 用单晶X-ray衍射方法测定了它的结构,该晶体属于单斜晶系,空间群P21/c, a = 12.830(3), b = 14.848(3), c = 25.258(5) ? b = 92.95(3), Mr = 1483.62, V = 4805.1(17) 3, Z = 4, Dc = 2.051 g/cm3, m = 1.431 mm-1, F(000) = 3000, I >2s(I) 的可观察衍射点4426个, 最终结构偏差因子R = 0.0464, wR = 0.0801, S = 0.731。在[P2Mo5O23]6-杂多阴离子中5个MoO6八面体通过共边和共角相连, 形成1个近似的五角平面骨架, 2个PO4四面体加在五角平面的两侧。热性质研究表明杂多阴离子骨架在547.4 ℃左右分解。     

CRYSTAL STRUCTURE OF [Ni((C)_6H_(11)O)_2PS_2)·(C_4H_9NH_2)_4]-(C_6H_(11)O)_2PS_2

<正> [Ni((C6H11O)2PS2)·(C4H9NH2)4](C6H11O)2PS2,Mr-=938. 05, triclinic,P1,a=13. 513(6),b=16. 040 (7), c= 12. 891(6) A , α= 95. 66 (4),β= 90. 23(4),γ= 75. 46(3)°,V = 2691 A3,Z=2,Dc= 1. 16 g·cm3.μ=6. 07cm-1,MoKa radiation, λ=0. 71069 A ,F(000) = 1020,R=0. 100 for 4595 reflections with I≥3σ(I). The title compound molecule consists of a complex cation [Ni((C6H11O)2PS2)(C4H9-NH2)4]+ and a complex anion (C6H11O)2PS2- . The Ni (Ⅱ) atom in the cation is octahedrally coordinated by four nitrogen atoms from four w-butylamine ligands and two sulfur atoms from one (C6H11O)2PS2 group.     

新型邻菲咯啉镁(II)配合物[Mg(H_2O)_4(phen)](phen)[C_6H_4(COO)_2]·H_2O的水热合成和晶体结构

合成了新型邻菲咯啉镁(II)配合物 [Mg(H2O)4(phen)](phen)[C6H4(COO)2]?H2O, 并对其进行了元素分析、IR、TG、X-射线衍射等表征。单晶衍射结果表明, 该配合物晶体属单斜晶系, 空间群为 P21/c, 晶胞参数:a = 11.873(2), b = 31.992(6), c = 8.144(2) ?, β = 93.98(3), V = 3085.9(11)?3, Z = 4, F(000) = 1336, Dc = 1.375 g/cm3, μ(MoKα) = 0.120 mm?1。对于 6889[ Rint = 0.0264]个独立衍射点, 有 3939 个可观测点满足(I≥2σ (I)), 最终的偏离因子 R = 0.0430, wR = 0.1294。标题配合物由 1 个邻菲咯啉合镁阳离子[Mg(H2O)4(phen)]2+、1 个邻苯二甲酸根阴离子C6H4(COO)2)2–、1 个溶剂邻菲咯啉分子和 1 个结晶水分子组成。中心 Mg(II)离子为六配位, 六个配位原子形成畸变的 MgN2O4八面体构型。     

Synthesis and Crystal Structure of an Ionic Compound [Fe(CN)6(phCH2NC5H5)3]·(H2O)4

A novel ionic compound [Fe(CN)6(phCH2NC5H5)3]·(H2O)4(Mr = 794.71) has been synthesized and its structure was characterized by IR, elemental analysis and X-ray diffraction. The compound crystallizes in monoclinic, space group P21/c with a = 10.837(2), b = 16.551(3), c = 23.402(5) (A), β = 97.531(4)°V = 4161.0(15)(A)3, Z = 4, Dc = 1.269 g/cm3, F(000) = 1668, μ = 0.414 mm-1, R = 0.0479 and wR = 0.1232. The building unit of the title compound consists of three (phCH2N C5H5) ions, one [Fe(CN)6]3- anion and four water molecules. According to the structural analysis, [Fe(CN)6]3- are linked together by O-H…N and O-H…O hydrogen bonds, but [Fe(CN)6]3- and [(phCH2N C5H5)3] ions are bound by electrostatic force to form an ionic compound.Keywords: N-benzyl-pyridine, ferricyanic anion, crystal structure, supramolecular, ionic compound.     

N,N''''-(2-苯并咪唑基甲基)亚氨基甲基膦酸的双核镍化合物Ni2(bbimp)2(4,4''''-bipy)(H2O)2·2H2O和Ni2(bbimp)2(H2O)2][Ni(bbimp)(H2O)2]2·4H2O的晶体结构和磁学性质

该文报道了N,N′-(2-苯并咪唑基甲基)亚氨基甲基膦酸{bbimpH_2,[(C7H5N2)CH2]2NCH2PO3H2}的2个镍化合物Ni2(bbimp)2(4,4′-bipy)(H2O)2·2H2O(1)和[Ni2(bbimp)2(H2O)2][Ni(bbimp)(H2O)2]2·4H2O(2)。化合物1是4,4′-联吡啶作为桥连配体的中性双核结构。化合物2含有1个中性的[Ni2(bbimp)2(H2O)2]双核分子与2个中性的[Ni(bbimp)(H2O)2]单核分子。双核分子单元中的2个Ni!离子被2个膦酸氧桥连。在化合物2中,膦酸氧桥连的2个Ni!离子之间存在铁磁性相互作用。     

Synthesis and Characterizaion of a New Inorganic-organic Sulfate Compound--Crystal Structure of [Ni(H2O)6][H2N(C2H4)2NH2](SO4)2

[Ni(H2O)6][H2N(C2H4)2NH2](SO4)2 is an inorganic-organic compound with a new open framework synthesized by hydrothermal method, and characterized by means of single-crystal diffraction and spectroscopic data. The compound crystallized in a monoclinic space group P21/n with a=1.29089(2) nm, b=1.06301(3) nm, c=1.33202(4) nm, β=114.0870(10)°, V=1.67127(8) nm3, Z=4, and was solved by using the direct method and the least-squares refinement converged at R=0.0214[I>2σ(I)]. The structure consists of isolated Ni(H2O)6 octahedra and SO4 tetrahedra, with both of them hydrogen-bonded to piperazine cations.     

Influence of hydrogen bonding on the assembly of six-membered vanadium borophosphate cluster anions: synthesis and structures of (NH4)2(C2H10N2)6[Sr(H2O)5]2[V2P2BO12](6)10H2O, (NH4)2(C3H12N2)6[Sr(H2O)4]2[V2P2BO12](6)17H2O, and (NH4)3(C4H14N2)4 5[Sr(H2O)5]2[Sr(H2O)4][V2P2BO12]6 10H2O

Three new strontium vanadium borophosphate compounds, (NH4)2(C2H10N2)6[Sr(H2O)5]2[V2P2BO12]6 10H2O (Sr-VBPO1) (1), (NH4)2(C3H12N2)6[Sr(H2O)4]2[V2P2BO12]6 17H2O (Sr-VBPO2) (2), and (NH4)3(C4H14N2)4.5[Sr(H2O)5]2[Sr(H2O)4][V2P2BO12]6 10H2O (Sr-VBPO3) (3) have been synthesized by interdiffusion methods in the presence of diprotonated ethylenediamine, 1,3-diaminopropane, and 1,4-diaminobutane. Compound 1 has a chain structure, whereas 2 and 3 have layered structures with different arrangements of [(NH4) [symbol: see text] [V2P2BO12]6] cluster anions within the layers. Crystal data: (NH4)2(C2H10N2)6[Sr(H2O)5]2[V2P2BO12]6 10H2O, monoclinic, space group C2/c (no. 15), a = 21.552(1) A, b = 27.694(2) A, c = 20.552(1) A, beta = 113.650(1) degrees, Z = 4; (NH4)2(C3H12N2)6[Sr(H2O)4]2[V2P2BO12]6 17H2O, monoclinic, space group I2/m (no. 12), a = 15.7618(9) A, b = 16.4821(9) A, c = 21.112(1) A, beta = 107.473(1) degrees, Z = 2; (NH4)3(C4H14N2)4.5[Sr(H2O)5]2[Sr(H2O)4] [V2P2BO12]6 10H2O, monoclinic, space group C2/c (no. 15), a = 39.364(2) A, b = 14.0924(7) A, c = 25.342(1) A, beta = 121.259(1) degrees, Z = 4. The differences in the three structures arise from the different steric requirements of the amines that lead to different amine-cluster hydrogen bonds.     

[C6N2H18]2[Mo5O15(HPO4)2]·H2O的水热合成与结构表征

通过水热法合成了一个新化合物[C6N2H18]2[Mo5O15(HPO4)2]·H2O,并通过IR光谱、ICP、元素分析、差热与热重分析和X射线单晶衍射分析等手段进行了表征.结果表明,晶体属三方晶系,P3(2)21空间群,a=1.1231(1)nm,c=2.2802(5)nm,V=2.4911(7)nm3,Dx=2.835Mg/m3,Z=6,最后的一致性因子R=0.0227,wR=0.0675.阴离子中Mo5O15构成一环状结构,2个HPO4一个连在环的下方,一个连在环的上方,形成类似于“飞碟”状的结构,阳离子为2个质子化的四甲基乙二胺.     

新颖四核镍夹心的杂化锗钨酸盐的合成、结构与表征

在水热条件下合成了一个新颖的夹心结构四核镍有机-无机杂化锗钨酸盐[Ni(dien)(H2O)3]2·[Ni(Hdien)2]{[Ni(dien)]2Ni4(H2O)2(GeW9O34)2}·10H2O(1), 利用X射线单晶衍射确定了其结构, 并通过红外光谱、热重、X射线粉末衍射、X射线能谱和元素分析对其进行了表征. 其晶体属三斜晶系, P1, a=1.1937(3) nm, b=1.4323(3) nm, c=1.6394(4) nm, α=93.424(2)°, β=96.058(3)°, γ=109.758(4)°, V=2.6094(1) nm3,Z=1. X射线单晶衍射结果表明, 化合物1是由夹心构型的多阴离子通过镍-二乙烯三胺配阳离子连接形成的一维线性结构.     

A family of new glutarate compounds: synthesis, crystal structures of: Co(H2O)5L(1), Na2[CoL2] (2), Na2[L(H2L)4/2] (3), {[Co3(H2O)6L2](HL)2}.4H2O (4), {[Co3(H2O)6L2](HL)2}.10H2O (5), {[Co3(H2O)6L2]L2/2}.4H2O (6), and Na2{[Co3(H2O)2]L8/2].6H2O (7), and magnetic properties of 1 and 2 with H2L = HOOC-(CH2)3-COOH

Seven new glutaric acid complexes, Co(H 2O) 5L 1, Na 2[CoL 2] 2, Na 2[L(H 2L) 4/2] 3, {[Co 3(H 2O) 6L 2](HL) 2}.4H 2O 4, {[Co 3(H 2O) 6L 2](HL) 2}.10H 2O 5, {[Co 3(H 2O) 6L 2]L 2/2}.4H 2O 6, and Na 2{[Co 3(H 2O) 2]L 8/2].6H 2O 7 were obtained and characterized by single-crystal X-ray diffraction methods along with elemental analyses, IR spectroscopic and magnetic measurements (for 1 and 2). The [Co(H 2O) 5L] complex molecules in 1 are assembled into a three-dimensional supramolecular architecture based on intermolecular hydrogen bonds. Compound 2 consists of the Na (+) cations and the necklace-like glutarato doubly bridged [ C o L 4 / 2 ] 2 - infinity 1 anionic chains, and 3 is composed of the Na (+) cations and the anionic hydrogen bonded ladder-like [ L ( H 2 L ) 4 / 2 ] 2 - infinity 1 anionic chains. The trinuclear {[Co 3(H 2O) 6L 2](HL) 2} complex molecules with edge-shared linear trioctahedral [Co 3(H 2O) 6L 2] (2+) cluster cores in 4 and 5 are hydrogen bonded into two-dimensional (2D) networks. The edge-shared linear trioctahedral [Co 3(H 2O) 6L 2] (2+) cluster cores in 6 are bridged by glutarato ligands to generate one-dimensional (1D) chains, which are then assembled via interchain hydrogen bonds into 2D supramolecular networks. The corner-shared linear [Co 3O 16] trioctahedra in 7 are quaternate bridged by glutarato ligands to form 1D band-like anionic {[Co 3(H 2O) 2]L 8/2} (2+) chains, which are assembled via interchain hydrogen bonds into 2D layers, and between them are sandwiched the Na (+) cations. The magnetic behaviors of 1 and 2 obey the Curie-Weiss law with chi m = C/( T - Theta) with the Curie constant C = 3.012(8) cm (3) x mol (-1) x K and the Weiss constant Theta = -9.4(7) K for 1, as well as C = 2.40(1) cm (3) x mol (-1) x K and Theta = -2.10(5) K for 2, indicating weak antiferromagnetic interactions between the Co(II) ions.     

Synthesis and Crystal Structure of[Ni(C5H2N2O4)(2, 2'-bipy)(H2O)2]·2H2O

The crystal structure of [Ni(C5H2N2O4)(2, 2?-bipy)(H2O)2]·2H2O 1 has been determined by X-ray diffraction. Crystal data: triclinic system, space group P ī with a = 7.9424(3), b = 9.9417(3), c = 12.1867(3) (A。）, α = 84.771(1), β = 77.375(2), γ = 68.993(2)°, C15H18N4O8Ni, Mr = 440.7, V = 876.16(5) (A。）3, Z = 2, Dc = 1.672 g/cm3, F(000) = 456, ((MoK() = 1.162 mm-1, the final R = 0.0464 and wR = 0.1055 for 3026 observed reflections with I > 2((I). In the title compound, the nickel ion is coordinated by a nitrogen atom and an oxygen atom from the orotate ligand, two nitrogen atoms from 2, 2'-bipy and two oxygen atoms from the coordinated water molecules in a distorted octahedral geometry. The presence of intermolecular hydrogen bonding and (-( stacking interaction of aromatic rings from 2, 2'-bipy results in a 3D structure.     

以哌嗪为模板剂的二维层状硫酸铈[C4N2H12]3[Ce2(SO4)6(H2O)2]·H2O的水热合成与晶体结构表征

以哌嗪为模板剂, 在水热条件下合成了一个新的具有二维拓展骨架结构的稀土硫酸盐[C4N2H12]3[Ce2(SO4)6(H2O)2]·H2O, 并对其进行了结构表征和热分析. 单晶结构解析结果表明, 该化合物晶体属于单斜晶系, P21/c空间群, 晶体学参数a=0.66335(10) nm, b=2.8088(4) nm, c=1.02212(15) nm, β=96.160(2)°, V=1.8935(5) nm3, R1=0.0466, wR2=0.1226. 该化合物由[—Ce—S3—Ce—S1—Ce— S3—Ce—S1—]八元环连接形成二维层状结构, 无机层间通过氢键连接成三维无限结构.