[Ni(en)_2]_6H_2[(VO)_(12)O_6B_(18)O_(42)]·15H_2O的水热合成和晶体结构

在水热的条件下合成了1个多聚钒硼酸盐[Ni(en)2]6H2[(VO)12O6B18O42]15H2O,化学式为C24H128B18N24Ni6O75V12(Mr=3111.62),用单晶X射线衍射方法测定了它的结构,该晶体属三方晶系,R-3空间群,晶胞参数为a=13.942(2)?=96.476(2),V=2653.9(5)?,Z=1,Dc=1.947g/cm3,=21.55cm-1,F(000)=1574,2108个可观察衍射点(I>2(I)),最终结构精修到偏离因子R=0.0594,wR=0.1398,S=1.009。在该化合物的结构中,18员环的B18O42通过18个B(3-O)V键被2个V6O15簇夹在中间,6个[Ni(en)2]基团分别通过2个Ni(3-O)B与B18O42环相连。     

(enH_2)_5[(VO)_(12)O_6B_(18)O_(36)(OH)_6]·2(H_3O)·6H_2O的水热合成和晶体结构

以NH4VO3,H3BO3,乙二胺,MoO3,H2O为原料,按物质的量比2∶20∶9∶3∶222,在180℃条件下晶化,得到黑色棱形晶体(enH2)5[(VO)12O6B18O36(OH)6].2(H3O).6H2O.单晶结构分析结果表明该化合物属三斜晶系,Pī空间群,晶胞参数a=1.336 8(3)nm,b=1.599 8(3)nm,c=1.663 4(3)nm,α=94.040(1)°,β=91.530(1)°,γ=95.830(1)°,V=3.528 1(12)nm3,Z=2,Dc=2.099 g/cm3,μ=1.649 mm-1,F(000)=2 228,15 641个可观察独立衍射点射点(I>2σ(I)),最后结构精修到偏离因子R1=0.047 5,wR2=0.150 4,S=1.039.该化合物的结构主要由阴离子簇[(VO)12O6B18O36(OH)6]12-构成.该阴离子簇由B18O36(OH)6十八元环夹在两个以共边交替相连形成的V6O18簇中间,通过共用氧原子形成三明治式结构新颖的硼-钒-氧离子簇,簇间填充了一些(enH2)2+离子和水分子.     

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。     

含有两个簇阴离子[As_8V_(14)O_(42)(SO_4)]~(6-)的金属-氧簇合物(H_2en)_6[As_8V_(14)O_(42)(SO_4)]_28H_2O的水热合成与晶体结构

合成了一种新的砷-钒-氧簇合物(H2en)6[As8V14O42(SO4)]28H2O(en为乙二胺),用元素分析、IR和TG-DTA等手段进行了表征,并用X射线衍射法测定了晶体结构。结果表明, 该晶体属单斜晶系,P21/c空间群,晶胞参数a = 20.9235(4),b = 11.9382(2),c = 43.5783(6) 牛琤 = 102.13,V = 10642.1(3) ?,Z = 4,Mr = 4678.01,Dc = 2.920 g/cm3,F(000) = 8944,m = 7.437 mm-1,R = 0.0735,wR = 0.1361。结构测定表明,结构中2个簇阴离子{[As8V14O42(SO4)]6-}与有机铵阳离子[H2en]2+之间靠静电作用相结合,同时与H2O通过氢键构成无限的三维骨架结构。     

[Co(enMe)_3]_2[As_8V_(14)O_(42)(H_2O)]·10H_2O的水热合成、性质和晶体结构

合成了一种新的砷-钒-氧簇合物[Co(enMe)3]2[As8V14O42(H2O)]10H2O(enMe为1,2-丙二胺),用元素分析、IR和TGA-DTA等进行了表征,并用X射线衍射法测定了晶体结构。结果表明,该晶体属单斜晶系,C2/c空间群,晶胞参数a=28.990(7),b=15.540(6),c=22.77(1),b=131.24(4),Mr=2744.68,V=7714(7)3,Z=4,F(000)=5232,m(MoKa)=7.239mm-1,Dc=2.363g/cm3,R=0.069,Rw=0.073。结构测定表明,结构中簇阴离子[As8V14O42(H2O)]4-与配位阳离子[Co(enMe)3]2+之间靠静电作用相结合,同时通过氢键构成无限的三维骨架结构。     

[Cu(en)_2]~(2+)修饰的二维仲钨酸化合物:[{Na_3(H_2O)_(10)}_2H_2{Cu(en)_2(H_2W_(12)O_(42))}]·16H_2O(英文)

利用水热合成法制备了一种基于[Cu(en)2]2+修饰的仲钨酸化合物:[{Na3(H2O)10}2H2{Cu(en)2(H2W12O42)}].16H2O(en=乙二胺)(1),借助元素分析、X射线单晶衍射分析I、R、UV、热分析和X射线光电子能谱对这种化合物进行了结构和性质研究.化合物(1)属于三斜晶系,P-1空间群.晶胞参数为:a=1.183 2(5)nm,b=1.296 0(6)nm,c=1.416 9(6)nm,α=63.348 0(10)°,β=82.844 0(10)°,γ=68.907 0(10)°,V=1.810 0(14)nm3,Z=1,R1[I2σ(I)]=0.024 7,wR2[I2σ(I)]=0.058 2.化合物(1)通过仲钨酸阴离子,铜离子和[Na3(H2O)10]3+三核簇形成了新型的二维层状结构.     

Synthesis and Characterization of a Reduced Molybdenum(V) Phosphate, (H_3dien)_2(H_2dien)_2[NaMo_(12)O_(24)(OH)_6-(H_2PO_4)(HPO_4)_5(PO_4)_2]·nH_2O (n = 10.92)

A new reduced molybdenum(V) phosphate (H3dien)2(H2dien)2[NaMo12O24 (OH)6 (H2PO4)(HPO4)5(PO4)2]·nH2O (n = 10.92, dien = diethylenetriamine) has been synthesized under hydrothermal conditions and characterized by elemental analyses, IR and X-ray diffraction. C16H96.84Mo12N12NaO72.92P8 (Mr = 3046.73) crystallizes in the monoclinic system, space group P21/c with a = 13.3575(18), b = 21.907(3), c = 15.654(2) , β = 110.22(2)°, V = 4298.4(10) 3, Dc = 2.354 g/cm3, Z = 2, μ(MoKα) = 1.966 mm-1, F(000) = 2990.4, the final R = 0.0357 and wR = 0.1086 for 8739 observed reflections with I > 2σ(I). It consists of sandwich-shaped cluster anions [Na{Mo6P4}2]10- held together into a three-dimensional supramolecular framework through intermolecular hydrogen-bonding contacts. A probe reaction of the oxidation of acetaldehyde with H2O2 showed that this compound has high catalytic activity in the reaction.     

Na2[(VO)12O6B18O39(OH)3]·(11H3O)·4H2O的水热合成和晶体结构

以V2O5, Na2B4O7·0H2O, NaH2PO4·2H2O, 乙二胺和H2O为原料, 按物质的量比0.5∶1∶1∶2.24∶111在180 ℃条件下晶化, 得到棕色晶体Na2[(VO)12O6B18O39(OH)3]·(11H3O)*4H2O. 单晶结构分析结果表明该化合物属单斜晶系, P21/n空间群, 晶胞参数 a=1.389 70(8) nm, b=1.661 59(9) nm, c=1.427 48(8) nm, β=95.691 0(10)°. Z=4, R=0.054 9. 该化合物的结构主要由阴离子簇[(VO)12O6B18O39(OH)3]13-构成. 该阴离子簇由B18O39(OH)3十八元环夹在两个以共边方式交替相连形成的V6O15簇中间, 通过共用氧原子形成三明治式结构新颖的硼-钒-氧阴离子簇, 结构中Na+以离子键方式将阴离子簇相互连接, 形成二维层状结构. 层与层之间通过分子间氢键相互作用. 价态计算结果表明, 结构中n(VⅣ)∶n(VⅤ)=5∶1.     

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。     

钼钒氧簇二聚体[Ni(enMe)_2]_4{[Ni(enMe)_2][Ni(enMe)_2(H_2O)]_2[Mo_8~(Ⅵ)V_6~(Ⅳ)O_(38)(V~ⅤO_4)]_2}·8H_2O的合成与结构表征(英文)

在水热条件下合成了一例新型的多金属氧酸盐二聚物,[Ni(enMe)2]4{[Ni(enMe)2][Ni(enMe)2(H2O)]2[Mo8ⅥV6ⅣO38(VⅤO4)]2}.8H2O(1)(enMe=1,2-丙二胺),利用元素分析、红外光谱分析、粉末X射线衍射、热重分析和单晶X射线衍射表征了其结构。结果表明,化合物(1)属于单斜晶系,P2(1)/n空间群.晶胞参数为a=1.9685(4)nm,b=1.3549(3)nm,c=2.7039(5)nm,α=90°,β=93.94(3)°,γ=90°,V=7.195(2)nm3,Z=4,Dc=2.390g/cm3,Mr=2588.4,μ=3.195mm-1,F(000)=5012,最终R1=0.0743,wR2=0.1861.与此同时,(1)是第一个具有二帽-Keggin型钼钒氧簇的二聚体,它由过渡金属部分[Ni(enMe)2(H2O)]22+连接形成{[Ni(enMe)2][Ni(enMe)2(H2O)]2[Mo8ⅥV6ⅣO38(VⅤO4)]2}8-二聚阴离子.     

A 2-D Copper Coordination Polymer [Cu(4,4''''-bpy)(H_2O)_4](C_4H_2O_4)(H_2O)_4 Integrated by Hydrogen Bonds and VDW Interactions

1 INTRODUCTION A great deal of interest in transition metal com- plex assembly has recently been devoted to the development of rational synthetic routes to novel one-, two- and three-dimensional crystal frameworks, due to their potential applications in…     

Synthesis and Crystal Structure of (C6N3H18)2Ti4O4(C2O4)7·4H2O

The title compound (C6N3H18)2Ti4O4(C2O4)7(4H2O 1 (C13H22N3O18Ti2, Mr = 604.14) was synthesized by the reaction of Ti(SO4)2, H2C2O4(2H2O and N-(2-ammonioethyl)- piperazinium (AEPP) in aqueous solution. The single-crystal X-ray analysis has revealed that 1 crystallizes in the triclinic system, space group Pī with a = 9.1437(6), b = 11.4991(10), c = 11.6975(8)A, α = 96.2915(18), β = 107.998(3), γ = 104.276(4)°, V = 1110.35(14)A3, Z = 2, Dc = 1.807 g/cm3, F(000) = 618, μ = 0.815 mm－1, the final R = 0.0463 and wR = 0.1264 for 3718 observed reflections with I > 2σ(I). X-ray crystal-structure analysis suggests that compound 1 consists of [Ti4O4(C2O4)7]6－ anion and two protonated N-(2-ammonioethyl)piperazinium cations. The anions are linked into an infinite chain through Ti4O4(C2O4)8 by sharing the oxalates as bridging ligands.     

Synthesis and Crystal Structure of the Heteropolymate Compound Na3H2[Ce3(H2O)18Bi2W22O76]·23H2O

A Bi(Ⅲ) contained heteropolymate compound Na3H2[Ce3(H2O)18Bi2W22O76] (23H2O 1 has been synthesized. It crystallizes in the triclinic system, space group P with a = 14.370(3), b = 17.113(3), c = 24.764(5) A, α = 74.33(3), β = 77.20(3), γ = 65.29(3)o, V = 5285.3(18) A3, Z = 2, Mr = 6908.66, Dc = 4.341 g/cm3, F(000) = 6042, μ(MoKσ) = 28.543 mm-1, R = 0.0604 and wR = 0.1659 for 15788 reflections with I > 2σ(I). The structure analysis revealed that in the anionic framework of the title compound the [Bi2W22O76]14- anions are connected by Ce3+ and Na+ cations into a three dimensional network.     

New Borate‐citrate: Synthesis,Structure, and Properties of Sr[B(C6H5O7)2](H2O)4·3H2O

Single crystals of Sr[B(C₆H₅O₇)₂](H₂O)₄ · 3H₂O, a new borate‐citrate material, were grown with sizes up to 8 × 6 × 2 mm by slow evaporation of water at room temperature. The structure of Sr[B(C₆H₅O₇)₂](H₂O)₄ · 3H₂O was determined by single‐crystal X‐ray diffraction. It crystallizes in the monoclinic space group P2₁/c, with a = 11.363(3) Å, b = 18.829(4) Å, c = 11.976(3) Å, β = 110.736(3)°, and Z = 4. The SrO₈ dodecahedra, BO₄ tetrahedra and citrate groups are linked together to form chains. The compound was characterized by IR and UV/Vis/NIR transmittance spectroscopy as well as thermal analysis.     

Synthesis and Crystal Structure of (C_6N_3H_(18))_2Ti_4O_4(C_2O_4)_7·4H_2O

1 INTRODUCTION The open-framework inorganic materials have been synthesized before the early 1980s[1]. Parti- cularly, metal phosphates have been investigated widely during the past few years[2, 3]. In recent years, considerable efforts have been devote…     

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.     

New Fluoromanganate(III) Hydrates: Mn3F8 · 12H2O and AgMnF4 · 4H2O

Single crystals of fluoride hydrates Mn₃F₈ · 12 H₂O and AgMnF₄ · 4 H₂O have been prepared and characterized by X-ray methods. Mn₃F₈ · 12 H₂O crystallizes in the space group P1 (a = 623.0(3), b = 896.7(4), c = 931.8(4) pm, α = 110.07(2)°, β = 103.18(2)°, γ = 107.54(2)°, Z = 1); AgMnF₄ · 4 H₂O crystallizes in the space group P2₁/m (a = 700.9(2), b = 726.1(1), c = 749.4(3) pm, β = 107.17(3)°, Z = 2). Both structures contain Jahn-Teller-distorted [Mn(H₂O)₂F₄]^? anions as well as crystal water molecules and exhibit a complex hydrogen bond network between anions and cations, i. e. [Mn(H₂O)₆]²⁺ for the first and a polymeric [Ag(H₂O)₂]^? cation for the second compound.     

Structure and Two-dimensional Correlation Infrared Spectroscopy Study of a New One-dimensional Chain Compound:(4,4''-Hbpy)3[NaMo8O26] (4,4''-bpy)2(H2O)4 (bpy = Bipydine)

A novel compound, (4,4'-Hbpy)3[NaMo8O26](4,4'-bpy)2(H2O)4 1 (bpy = bipydine),was synthesized by the hydrothermal method. Single-crystal X-ray diffraction shows that compound 1 belongs to the monoclinic system, space group C2/m with a = 19.1921(5), b = 18.6931(6), c = 9.3821 (3) (A), β = 104.8020(11)°, V = 3254.22(17) (A)3, C50H51Mo8N10NaO30, Mr = 2062.52, Z = 2,F(000) = 2016,μ = 1.591 mm- 1 and Dc = 2.105 g/cm3. The final R = 0.0283 and wR = 0.0912 for 3118 observed reflections (I ＞ 2σ(Ⅰ)). Compound 1 contains the β-[Mo8O26]4- anion, sodium ion, 4,4'-bpy and lattice crystalline water molecules. The β-[Mo8O26] units link the sodium ion to form a chain structure. The infinitechains of [Na(Mo8O26)]3- blocks are surrounded by protonized 4,4'-bpy cations,4,4'-bpy and lattice crystalline water molecules. The 2D-IR correlation spectroscopy study indicates that the stretching vibrations of Mo=O occur more preferentially due to the thermal effect. The TGA analysis shows that compound 1 has high thermal stability.     

Synthesis and Crystal Structure of 3-（4-Chlorophenyl）-8-cyano-2-（di-isopropylamino）-5-methyl-7-（methylthio）-pyrido[4,3-d]pyrimidine-4（3H）-one

The crystal structure of the new title compound 3-(4-chlorophenyl)-8-cyano-2-(di-iso-propylamino)-5-methyl-7-(methylthio)-pyrido[4,3-d]pyrimidine-4(3H)-one(C22H24ClN5OS,Mr = 441.97)has been determined by single-crystal X-ray diffraction. The crystal is of orthorhombic,space group Pna21 with a = 7.6721(5),b = 18.9370(11),c = 15.6260(9),V = 2270.2(2)3,Z = 4,Dc = 1.293 g/cm3,F(000)= 928,μ = 0.283 mm-1,MoKa radiation(λ = 0.71073 ),R = 0.0494 and wR = 0.1062 for 3278 observed reflections with I > 2σ(I). X-ray diffraction analysis reveals that all ring atoms in the py-ridopyrimidinone moiety are almost coplanar. Intramolecular C(20)-H(20)···N(4),C(19)-H(19A)···N(3),C(18)-H(18C)···N(3)and C(16)-H(16B)···O(5)hydrogen bonds together with weak C···π interactions are found in the structure.