Crystallographic report: p‐Bis(N‐methylimidazolyl)xylylene tetra (selenocyanate)cadmium(II), [XylIm2][Cd(SeCN)4]

The title compound [XylIm₂][Cd(SeCN)₄] [XylIm₂ = p‐bis(N‐methylimidazolyl)xylylene] comprises discrete p‐bis(N‐methylimidazolyl)xylylene cations and [Cd(SeCN)₄]^2? anions in which the cadmium atoms are tetrahedrally coordinated by four selenium atoms. Copyright © 2003 John Wiley & Sons, Ltd.     

Crystallographic report: N,N′‐Dimethylimidazolium tris(selenocyanate) cadmium(II), [Me2Im][Cd(SeCN)3] (Me2Im = N,N′‐dimethylimidazolium)

The title structure, [Me₂Im][Cd(SeCN)₃] (Me₂Im = N,N′‐dimethylimidazolium), comprises triply bridged one‐dimensional cadmium‐selenocyanate chains in which the cadmium atoms are octahedrally coordinated within 3Se3N geometries. Copyright © 2003 John Wiley & Sons, Ltd.     

Crystallographic report: Bis[bis(N,N‐dibenzyldithiocarbamato)cadmium(II)]

The centrosymmetric structure of {Cd[S₂CN(CH₂Ph)₂]₂}₂ features both bridging and chelating dithiocarbamate ligands so that a square pyramidal S₅ coordination geometry results. Copyright © 2004 John Wiley & Sons, Ltd.     

Crystallographic report: Crystal structure of a three‐dimensional coordination polymer, [Cd(Hbtc)(H2O)]n (btc = 1, 2, 4−benzenetricarboxylate)

The three-dimensional coordination polymer [Cd(Hbtc)(H₂O)]_n ( 1 ) (btc = 1, 2, 4−benzenetricarboxylate) has been synthesized by hydrothermal reaction of cadmium(II) ions and 1,2,4-benzenetricarboxylic acid anhydride in which the cadmium(II) center is coordinated by one water molecule and five separated Hbtc ligands that define a distorted octahedral geometry. Copyright © 2003 John Wiley & Sons, Ltd.     

Crystal Structure of a Novel Cadmium Coordination Polymer [Cd15(OH)4(SO4)4(L1)6(L2)12]n (HL1 = 1,2,3-1H-Triazole, HL2 = 5-Methyl-1H-tetrazole)

A novel cadmium coordination polymer [Cd15(OH)4(SO4)4(L1)6(L2)12]n(HL1=1,2,3-1H-triazole,HL2=5-methyl-1H-tetrazole) has been synthesized and characterized by elemental analysis and single-crystal X-ray diffraction.The compound crystallizes in cubic Ⅰ-43d space group with a=21.5247(4),V=9972.7(3) 3,Z=4,Dc=2.360 g/cm3,Mr=3543.68,μ(MoKα)=3.298 mm-1,F(000)=6696,the final R=0.0340 and wR=0.0992 for 1909 observed reflections(Ⅰ> 2σ(Ⅰ)).The compound contains two crystallographically independent Cd coor-dination centers linked up through one L1 and two L2 bridges.The structure displays an inorganic-organic hybrid cadmium coordination polymer.     

Crystallographic report: Coordination polymers containing Cd(NO3)2 and Cd(H2O)22+ units bridged by btp ligands (btp = 2,6‐bis(N′‐1,2,4‐triazolyl)pyridine)

There are two kinds of coordination polymers in the title compound: one contains Cd(NO₃)₂ units bridged by 2,6‐bis(N′‐1,2,4‐triazolyl)pyridine (btp) ligands and the other contains Cd(H₂O)₂²⁺ bridged by btp ligands. The two coordination polymers are connected through hydrogen bonds. Copyright © 2004 John Wiley & Sons, Ltd.     

Crystallographic report: [Bis(3‐pyridylacrylato)cadmium(II)]n

In [bis(3‐pyridylacrylato)cadmium(II)]_n, the local coordination geometry around the cadmium center is based on an octahedron. The carboxylate acts as a tridentate ligand by bridging two cadmium atoms and binds a third cadmium atom via the pyridyl group with the result that a two‐dimensional layered network is formed. Copyright © 2005 John Wiley & Sons, Ltd.     

一维链状镉(Ⅱ)配位聚合物[Cd(μ-DPIA)2(H2O)]n的合成与结构研究

A novel one-dimensional coordination polymer, [Cd( μ-DPIA)₂(H₂O)]_n (HDPIA=4,5-Diphenylimidazole-1-acetic acid), was synthesized and characterized by the element analysis, IR and single crystal X-ray diffraction. It crystallizes in the orthogonal space group Pca2₂ with unit cell parameters: a=1.509 6(3) nm, b=0.611 1(1) nm, c=3.216 4(6) nm, and V=2.967 1(10) nm³, Z=4, R=0.032 7, wR=0.086 7. The Cd atom is seven-coordinated by four O atoms and two N atoms from two chelating DPIA^- ligands and one water molecule, and displays a distorted pentagonal bipyramid coordination geometry. Each DPIA^- ligand bridges two adjacent Cd atoms, forming a infinite chain along the a axis direction. The Cd…Cd separation within the polymer is 0.765 0(3) nm. A layer structure which parallels to the ab plane is further constructed by hydrogen bonding interactions. CCDC: 254247.     

Synthesis and Crystal Structure of a Two-dimensional Coordination Polymer [Cd（dym）（H2O）2（H2O）]n with Cd6 Hexagonal Macrometallocycle

1 INTRODUCTION The investigation of coordination polymers has rapidly been expanded in last decade owing to their potential applications such as catalysis, molecular absorption, non-linear and magnetic materials. Among the varieties of such coordination polymers, the po- lymers of cadmium with dicarboxylates having fas- cinating structural topologies and good photolumi- nescence constitute a new family. Many reports are concerned about cadmium dicarboxylate polymers with 1D helix structu…     

Crystal Structure of a Novel Cadmium Coordination Polymer [Cd15（OH）4（SO4）4（L1）6（L2）12]n （HL1 = 1,2,3-1H-Triazole,HLe = 5-Methyl-lH-tetrazole

A novel cadmium coordination polymer [Cdls（OH）4（SO4）4（L1）6（L2）12]n （HL1 = 1,2,3-1H-triazole, HL2 = 5-methyl-lH-tetrazole） has been synthesized and characterized by elemental analysis and single-crystal X-ray diffraction. The compound crystallizes in cubicI-43d space group with a = 21.5247（4）, V = 9972.7（3） A3, Z = 4, Dc = 2.360 g/cm3, Mr = 3543.68, μ（MoKα） = 3.298 mm^-1, F（000） = 6696, the final R = 0.0340 and wR = 0.0992 for 1909 observed reflections （I 〉 2σ（I））. The compound contains two crystallographicatly independent Cd coordination centers linked up through one L1 and two L2 bridges. The structure displays an inorganic-organic hybrid cadmium coordination polymer.     

氰根桥连的异金属配位聚合物{[Ni(pn)2][Fe(CN)4(bipy)]}2·3H2O(pn=1,3-丙二胺,bipy=2,2′-联吡啶)的合成与结构

以[Fe(CN)₄(bipy)]^2-为建筑块和[Ni(pn)₂]²⁺在水溶液中反应,合成了{[Ni(pn)₂][Fe(CN)₄(bipy)]}₂·3H₂O(pn=1,3-丙二胺)。通过X-射线单晶衍射确定了其晶体结构。该配合物属单斜晶系,P2₁/n空间群,晶胞参数为:a     

Crystal Structure of [Cd（pom）2Cl2]

ＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆ［Ｃｄ（ｐｏｍ）_２Ｃｌ_２］ＷｕＷｅｎ－Ｓｈｉ（ＤｅｐａｒｔｍｅｎｔｏｆＣｈｅｍｉｓｔｒｙ，Ｈｕａ－ｑｉａｏＵｎｉｖｅｒｓｉｔｙ，Ｆｕｊｉａｎ，Ｃｈｉｎａ，３６２０１１）ＤｏｎｇＭｅｉ－Ｂｉｎ；ＬｉＳｏｎｇ－Ｘｉａ...     

Crystallographic report: A new polymorph for bis[bis(N,N‐dibenzyldithiocarbamato)cadmium(II)]

The title compound is a centrosymmetric dimer with each cadmium in a distorted CdS₅ square pyramidal geometry. The Cd–S bond distances range from 2.5626(11) to 2.8459(11) Å. Copyright © 2004 John Wiley & Sons, Ltd.     

Crystallographic report: catena‐Poly[aqua(phenyl‐1,3‐bisoxyacetato) tris(pyridine)cadmium(II)], [(H2O)(C5H5N)3 (O2CCH2OC6H4OCH2CO2)Cd]n

The [O₂CCH₂OC₆H₄OCH₂CO₂]^2? group bridges adjacent planar [(H₂O)(C₅H₅N)₃Cd]²⁺ units into a linear chain. The carboxyl groups occupy opposite sites in the octahedral environment of the cadmium atom. Copyright © 2004 John Wiley & Sons, Ltd.     

Crystallographic report: Chlorobis(tripyridyldiamine)cadmium(II) nitrate

The Cd(II) atom in [(tpda)₂CdCl]NO₃, is octahedrally coordinated to one chlorine and five pyridyl‐nitrogen atoms. The coordination cations and nitrate anions are connected by multiple hydrogen bonds, affording a two‐dimensional structure. Copyright © 2005 John Wiley & Sons, Ltd.     

Crystallographic report: Polymeric {bis[5‐(2‐aminobenzyl)tetrazolato] cadmium(II)}n

In polymeric {bis[5‐(2‐aminobenzyl)tetrazolato]cadmium(II)}_n, the N₆ coordination geometry around cadmium, is a distorted octahedron. Copyright © 2004 John Wiley & Sons, Ltd.     

Crystallographic report: Bis[tris(morpholindithiocarbamato)bismuth(III)]

The dimeric and centrosymmetric structure of {Bi[S₂CN(CH₂CH₂)₂O]₃}₂ features chelating dithiocarbamate ligands and intermolecular Bi? S interactions, so that a distorted pentagonal bipyramidal S₇ coordination geometry results. Copyright © 2004 John Wiley & Sons, Ltd.     

Crystallographic report: Polymeric [bis(N,N‐diethyldithiocarbamato) (trans‐1,2‐bis(4‐pyridyl)ethylene)cadmium(II)]

The linear polymeric structure of [Cd(S₂CNEt₂)₂(trans‐NC₅H₄C(H)?C(H)C₅H₄N)]_∞ shows bidentate coordination by the dithiocarbamate ligands and a distorted octahedral geometry for cadmium, defined by a trans‐N₂S₄ donor set. Copyright © 2003 John Wiley & Sons, Ltd.     

Crystallographic report: Bis(norfloxacin)dilead(II) tetranitrate, [Pb2(H‐Norf)2(ONO2)4]

The centrosymmetric binuclear structure of [Pb₂(H‐Norf)₂(ONO₂)₄]shows the geometry around each lead(II) atom to be distorted trigonal bipyramidal with Pb–O distances ranging from 2.357(3) to 2.769(4) Å. Copyright © 2003 John Wiley & Sons, Ltd.     

{[Cd(sulfadiazine)2]n [Cd(sulfadiazine)2·H2O]n}(英)

C om m ent Silver and zinc salts of sulfadiazine are widely used to prevent bacterial infection for both hum ans and anim als during burn treatm ents[1~4]. Because the slow release of the m etal ions highly relevant to the biologicalactivity ofthese polym…