Syntheses and crystal structures of two magnesium–tetrazole compounds in salt and polymeric forms

2015 ◽  
Vol 71 (3) ◽  
pp. 222-228 ◽  
Author(s):  
Mohamed Abdellatif Bensegueni ◽  
Aouatef Cherouana ◽  
Slimane Dahaoui
Keyword(s):  
Alkaline Earth ◽  
Three Dimensional ◽  
Polymer Chains ◽  
Magnesium Ion ◽  
Water Molecules ◽  
Compound I ◽  
Hydrothermal Conditions ◽  
One Dimensional ◽  
Polymeric Chains ◽  
Hydrogen Bonded

Two alkaline earth–tetrazole compounds, namelycatena-poly[[[triaquamagnesium(II)]-μ-5,5′-(azanediyl)ditetrazolato-κ3N1,N1′:N5] hemi{bis[μ-5,5′-(azanediyl)ditetrazolato-κ3N1,N1′:N2]bis[triaquamagnesium(II)]} monohydrate], {[Mg(C2HN9)(H2O)3][Mg2(C2HN9)2(H2O)6]0.5·H2O}n, (I), and bis[5-(pyrazin-2-yl)tetrazolate] hexaaquamagnesium(II), (C5H3N6)[Mg(H2O)6], (II), have been prepared under hydrothermal conditions. Compound (I) is a mixed dimer–polymer based on magnesium ion centres and can be regarded as the first example of a magnesium–tetrazolate polymer in the crystalline form. The structure shows a complex three-dimensional hydrogen-bonded network that involves magnesium–tetrazolate dimers, solvent water molecules and one-dimensional magnesium–tetrazolate polymeric chains. The intrinsic cohesion in the polymer chains is ensured by N—H...N hydrogen bonds, which formR22(7) rings, thus reinforcing the propagation of the polymer chain along theaaxis. The crystal structure of magnesium tetrazole salt (II) reveals a mixed ribbon of hydrogen-bonded rings, of typesR22(7),R22(9) andR24(10), running along thecaxis, which are linked byR24(16) rings, generating a 4,8-cflunet.

scholarly journals Synthesis and crystal structure of a 6-chloronicotinate salt of a one-dimensional cationic nickel(II) coordination polymer with 4,4′-bipyridine

2020 ◽  
Vol 76 (5) ◽  
pp. 599-604
Author(s):  
Nives Politeo ◽  
Mateja Pisačić ◽  
Marijana Đaković ◽  
Vesna Sokol ◽  
Boris-Marko Kukovec
Keyword(s):  
Molecular Structure ◽  
Coordination Polymer ◽  
Three Dimensional ◽  
Polymeric Chain ◽  
Water Molecules ◽  
Sulfate Heptahydrate ◽  
Synthesis And Crystal Structure ◽  
One Dimensional ◽  
Polymeric Chains ◽  
Hydrogen Bonded

A 6-chloronicotinate (6-Clnic) salt of a one-dimensional cationic nickel(II) coordination polymer with 4,4′-bipyridine (4,4′-bpy), namely, catena-poly[[[tetraaquanickel(II)]-μ-4,4′-bipyridine-κ2 N:N′] bis(6-chloronicotinate) tetrahydrate], {[Ni(C10H8N2)(H2O)4](C6H3ClNO2)2·4H2O} n or {[Ni(4,4′-bpy)(H2O)4](6-Clnic)2·4H2O} n , (1), was prepared by the reaction of nickel(II) sulfate heptahydrate, 6-chloronicotinic acid and 4,4′-bipyridine in a mixture of water and ethanol. The molecular structure of 1 comprises a one-dimensional polymeric {[Ni(4,4′-bpy)(H2O)4]2+} n cation, two 6-chloronicotinate anions and four water molecules of crystallization per repeating polymeric unit. The nickel(II) ion in the polymeric cation is octahedrally coordinated by four water molecule O atoms and by two 4,4′-bipyridine N atoms in the trans position. The 4,4′-bipyridine ligands act as bridges and, thus, connect the symmetry-related nickel(II) ions into an infinite one-dimensional polymeric chain extending along the b-axis direction. In the extended structure of 1, the polymeric chains of {[Ni(4,4′-bpy)(H2O)4]2+} n , the 6-chloronicotinate anions and the water molecules of crystallization are assembled into an infinite three-dimensional hydrogen-bonded network via strong O—H...O and O—H...N hydrogen bonds, leading to the formation of the representative hydrogen-bonded ring motifs: tetrameric R 2 4(8) and R 4 4(10) loops, a dimeric R 2 2(8) loop and a pentameric R 4 5(16) loop.

One-dimensional CuIIcoordination polymers containingC2h-symmetric 1,1′:4′,1′′-terphenyl-3,3′-dicarboxylate linkers

2015 ◽  
Vol 71 (10) ◽  
pp. 929-935 ◽  
Author(s):  
Hyun-Chul Kim ◽  
Ja-Min Gu ◽  
Seong Huh ◽  
Chul-Hyun Yo ◽  
Youngmee Kim
Keyword(s):  
Coordination Polymers ◽  
Three Dimensional ◽  
Polymer Chains ◽  
Water Molecules ◽  
Binding Modes ◽  
Bridging Ligands ◽  
One Dimensional ◽  
X Ray Crystallography ◽  
Dimensional Network ◽  
The One

Two new one-dimensional CuIIcoordination polymers (CPs) containing theC2h-symmetric terphenyl-based dicarboxylate linker 1,1′:4′,1′′-terphenyl-3,3′-dicarboxylate (3,3′-TPDC), namelycatena-poly[[bis(dimethylamine-κN)copper(II)]-μ-1,1′:4′,1′′-terphenyl-3,3′-dicarboxylato-κ4O,O′:O′′:O′′′] monohydrate], {[Cu(C20H12O4)(C2H7N)2]·H2O}n, (I), andcatena-poly[[aquabis(dimethylamine-κN)copper(II)]-μ-1,1′:4′,1′′-terphenyl-3,3′-dicarboxylato-κ2O3:O3′] monohydrate], {[Cu(C20H12O4)(C2H7N)2(H2O)]·H2O}n, (II), were both obtained from two different methods of preparation: one reaction was performed in the presence of 1,4-diazabicyclo[2.2.2]octane (DABCO) as a potential pillar ligand and the other was carried out in the absence of the DABCO pillar. Both reactions afforded crystals of different colours,i.e.violet plates for (I) and blue needles for (II), both of which were analysed by X-ray crystallography. The 3,3′-TPDC bridging ligands coordinate the CuIIions in asymmetric chelating modes in (I) and in monodenate binding modes in (II), forming one-dimensional chains in each case. Both coordination polymers contain two coordinated dimethylamine ligands in mutuallytranspositions, and there is an additional aqua ligand in (II). The solvent water molecules are involved in hydrogen bonds between the one-dimensional coordination polymer chains, forming a two-dimensional network in (I) and a three-dimensional network in (II).

Hydrogen-Bonded Three-Dimensional Molecular Architectures Featuring Carboxylate - Imidazole - Zinc Triad Systems

2002 ◽  
Vol 55 (11) ◽  
pp. 741 ◽  
Author(s):  
Jin-Hua Yang ◽  
Shao-Liang Zheng ◽  
Jun Tao ◽  
Gao-Feng Liu ◽  
Xiao-Ming Chen
Keyword(s):  
Hydrogen Bonds ◽  
Critical Role ◽  
Three Dimensional ◽  
Water Molecules ◽  
Molecular Architecture ◽  
Lattice Water ◽  
Carboxylate Oxygen ◽  
Polymeric Chains ◽  
Molecular Architectures ◽  
Hydrogen Bonded

Two complexes, [Zn(Him)2(mpa)] (1) and [Zn(Him)2(tpa)]·H2O (2) (Him = imidazole, mpa = m-phthalate, and tpa = terephthalate), have been prepared and structurally characterized, revealing two different three-dimensional hydrogen-bonded molecular architectures. Each features [Zn(Him)2(dicarboxylate)] zigzag polymeric chains and intermolecular N–H…O hydrogen bonds between the uncoordinated Him nitrogen atoms and carboxylate oxygen atoms that are similar to the carboxylate–histidine–zinc triad systems in zinc(II) enzymes. The lattice water molecules in complex (2) play a critical role in the formation of a three-dimensional hydrogen-bonded molecular architecture.

A one-dimensional copper coordination polymer containing both dicyanamide and 1,10-phenanthroline ligands

2003 ◽  
Vol 59 (11) ◽  
pp. m491-m493 ◽  
Author(s):  
A-Qing Wu ◽  
Li-Zhen Cai ◽  
Wen-Tong Chen ◽  
Guo-Cong Guo ◽  
Jin-Shun Huang
Keyword(s):  
Hydrogen Bonding ◽  
Repeat Unit ◽  
Three Dimensional ◽  
Polymer Chains ◽  
Dimensional Structure ◽  
Water Molecules ◽  
Zigzag Chain ◽  
Acetate Anion ◽  
One Dimensional ◽  
Copper Coordination

The crystal structure of catena-poly[[[acetato(1,10-phenanthroline-κ2 N,N′)copper(II)]-μ-dicyanamido-κ2 N 1:N 5] trihydrate], {[Cu(C2H3O2)(C2N3)(C12H8N2)]·3H2O} n , consists of a zigzag chain formed by the polymer [Cu(CH3COO)(dca)(phen)] n (phen is 1,10-phenanthroline and dca is dicyanamide), with three water molecules per repeat unit of the polymer. The CuII atom has a slightly distorted square-pyramidal coordination environment consisting of two N atoms of the phen ligand, two nitrile N atoms of different dca ligands, one of them axial, and one O atom of the acetate anion. The compound forms a one-dimensional chain using dca as an end-to-end bridging ligand. Non-covalent interactions, π–π stacking and hydrogen bonding mediate the bundling of the polymer chains into a three-dimensional structure, with the water molecules playing an important role in the hydrogen bonding.

scholarly journals catena-Poly[[diaquabis[1,4-bis(pyridin-4-yl)buta-1,3-diyne-κN]iron(II)]-μ-cyanido-κ2N:C-[dicyanido-κ2C-platinum(II)]-μ-cyanido-κ2C:N]

IUCrData ◽  
2017 ◽  
Vol 2 (10) ◽  
Author(s):  
Lucia Piñeiro-López ◽  
Francisco Javier Valverde-Muñoz ◽  
Maksym Seredyuk ◽  
Kateryna Znovjyak
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Bond Length ◽  
Title Compound ◽  
Three Dimensional ◽  
Water Molecules ◽  
Stacking Interactions ◽  
One Dimensional ◽  
Polymeric Chains ◽  
The One

The molecular structure of the title compound, [FePt(CN)4(C14H8N2)2(H2O)2]n, consists of one-dimensional polymeric [–Fe–NC–Pt(CN)2–CN–]∞chains. Two water molecules and two monodentate 1,4-bis(pyridin-4-yl)buta-1,3-diyne (bpb) ligand molecules complete the octahedral coordination sphere of the FeIIatoms. The Fe—N(py) bond length (py is pyridine) is 2.2700 (15) Å, Fe—N(cyanide) is 2.1185 (16) Å and the Fe—O distance is 2.1275 (14) Å. The water molecules are hydrogen bonded to either bpb ligands or cyanide groups of the planar [Pt(CN)4]2−anion of adjacent polymeric chains. These O—H...N hydrogen bonds, in conjunction with offset and tilted π–π stacking interactions between bpb ligands and cyanide groups, extend the one-dimensional chains into a three-dimensional assembly.

scholarly journals Hydrogen-bonding patterns in 2,2-bis(4-methylphenyl)hexafluoropropane pyridinium and ethylenediammonium salt crystals

2020 ◽  
Vol 76 (5) ◽  
pp. 742-746 ◽  
Author(s):  
Haruki Sugiyama
Keyword(s):  
Hydrogen Bonding ◽  
Crystal Structures ◽  
Three Dimensional ◽  
Water Molecules ◽  
Space Group ◽  
One Dimensional ◽  
Salt Crystals ◽  
Bonding Patterns ◽  
Hydrogen Bonded

The crystal structures of two salt crystals of 2,2-bis(4-methylphenyl)hexafluoropropane (Bmphfp) with amines, namely, dipyridinium 4,4′-(1,1,1,3,3,3-hexafluoropropane-2,2-diyl)dibenzoate 4,4′-(1,1,1,3,3,3-hexafluoropropane-2,2-diyl)dibenzoic acid, 2C5H6N+·C17H8F6O4 2−·C17H10F6O4, (1), and a monohydrated ethylenediammonium salt ethane-1,2-diaminium 4,4′-(1,1,1,3,3,3-hexafluoropropane-2,2-diyl)dibenzoate monohydrate, C2H10N2 2+·C17H8F6O4 2−·H2O, (2), are reported. Compounds 1 and 2 crystallize, respectively, in space group P21/c with Z′ = 2 and in space group Pbca with Z′ = 1. The crystals of compound 1 contain neutral and anionic Bmphfp molecules, and form a one-dimensional hydrogen-bonded chain motif. The crystals of compound 2 contain anionic Bmphfp molecules, which form a complex three-dimensional hydrogen-bonded network with the ethylenediamine and water molecules.

A new one-dimensional nickel metal–organic framework:catena-poly[[[diaquabis(4-{[(1-phenyl-1H-tetrazol-5-yl)sulfanyl]methyl}benzoato-κO)nickel(II)]-μ-4,4′-bipyridine-κ2N:N′] monohydrate]

2014 ◽  
Vol 70 (3) ◽  
pp. 267-271 ◽  
Author(s):  
Aijing Geng ◽  
Qingfu Zhang ◽  
Jiajia Wang ◽  
Haina Zhang ◽  
Dezhi Sun
Keyword(s):  
Three Dimensional ◽  
Nickel Chloride ◽  
Chain Structure ◽  
Title Complex ◽  
Water Molecules ◽  
Hydrothermal Conditions ◽  
Nickel Metal ◽  
One Dimensional ◽  
Metal Organic ◽  
Coordinated Water

The title complex, {[Ni(C15H11N4O2S)2(C10H8N2)(H2O)2]·H2O}n, was synthesized by the reaction of nickel chloride, 4-{[(1-phenyl-1H-tetrazol-5-yl)sulfanyl]methyl}benzoic acid (HL) and 4,4′-bipyridine (bpy) under hydrothermal conditions. The asymmetric unit contains two half NiIIions, each located on an inversion centre, twoL−ligands, one bpy ligand, two coordinated water molecules and one unligated water molecule. Each NiIIcentre is six-coordinated by two monodentate carboxylate O atoms from two differentL−ligands, two pyridine N atoms from two different bpy ligands and two terminal water molecules, displaying a nearly ideal octahedral geometry. The NiIIions are bridged by 4,4′-bipyridine ligands to afford a linear array, with an Ni...Ni separation of 11.361 (1) Å, which is further decorated by two monodentateL−ligandstransto each other, resulting in a one-dimensional fishbone-like chain structure. These one-dimensional fishbone-like chains are further linked by O—H...O, O—H...N and C—H...O hydrogen bonds and π–π stacking interactions to form a three-dimensional supramolecular architecture. The thermal stability of the title complex was investigatedviathermogravimetric analysis.

A novel three-dimensional framework constructed by 2-[(1H-imidazol-1-yl)methyl]-1H-benzimidazole and infinite chains of hydrogen-bonded water molecules

2009 ◽  
Vol 65 (3) ◽  
pp. o85-o87 ◽  
Author(s):  
De-Qiang Qi ◽  
Gui-Ge Hou ◽  
Jian-Ping Ma ◽  
Ru-Qi Huang ◽  
Yu-Bin Dong
Keyword(s):  
Self Assembly ◽  
Organic Molecule ◽  
Three Dimensional ◽  
Water Molecules ◽  
Biological Processes ◽  
Stability Function ◽  
Hydrogen Bond Acceptor ◽  
One Dimensional ◽  
Conformation Stability ◽  
Hydrogen Bonded

A novel three-dimensional framework of 2-[(1H-imidazol-1-yl)methyl]-1H-benzimidazole dihydrate, C11H10N4·2H2O orL·2H2O, (I), in whichLacts as both hydrogen-bond acceptor and donor in the supramolecular construction with water, has been obtained by self-assembly reaction ofLwith H2O. The two independent water molecules are hydrogen bonded alternately with each other to form a one-dimensional infinite zigzag water chain. These water chains are linked by the benzimidazole molecules into a three-dimensional framework, in which each organic molecule is hydrogen bonded by three water molecules. This study shows that the diversity of hydrogen-bonded patterns plays a crucial role in the formation of the three-dimensional framework. More significantly, as water molecules are important in contributing to the conformation, stability, function and dynamics of biomacromolecules, the infinite chains of hydrogen-bonded water molecules seen in (I) may be a useful model for water in other chemical and biological processes.

scholarly journals A one-dimensional polymeric cobalt(III)–potassium complex with 18-crown-6, cyanide and porphyrinate ligands

2014 ◽  
Vol 70 (3) ◽  
pp. m104-m105 ◽  
Author(s):  
Yassine Belghith ◽  
Hamza Toumi ◽  
Jean-Claude Daran ◽  
Habib Nasri
Keyword(s):  
Three Dimensional ◽  
Water Molecules ◽  
Inversion Center ◽  
Asymmetric Unit ◽  
One Dimensional ◽  
Lattice Water ◽  
Porphyrin Ligand ◽  
Polymeric Chains ◽  
Potassium Complex ◽  
Cyanide Ligands

The reaction of CoII(TpivPP) {TpivPP is the dianion of 5,10,15,20-tetrakis[2-(2,2-dimethylpropanamido)phenyl]porphyrin} with an excess of KCN salts and an excess of the 18-crown-6 in chlorobenzene leads to the polymeric title compoundcatena-poly[[dicyanido-2κ2C-(1,4,7,10,13,16-hexaoxacyclooctadecane-1κ6O){μ3-(2α,2β)-5,10,15,20-tetrakis[2-(2,2-dimethylpropanamido)phenyl]porphyrinato-1κO5:2κ4N,N′,N′′,N′′′:1′κO15}cobalt(III)potassium] dihydrate], {[CoK(CN)2(C12H24O6)(C64H64N8O4]·2H2O}n. The CoIIIion lies on an inversion center, and the asymmetric unit contains one half of a [CoIII(2α,2β-TpivPP)(CN)2]−ion complex and one half of a [K(18-C-6]+counter-ion (18-C-6 is 1,4,7,10,13,16-hexaoxacyclooctadecane), where the KIion lies on an inversion center. The CoIIIion is hexacoordinated by two C-bonded axial cyanide ligands and the four pyrrole N atoms of the porphyrin ligand. The KIion is chelated by the six O atoms of the 18-crown-6 molecule and is further coordinated by two O atoms of pivalamido groups of the porphyrin ligands, leading to the formation of polymeric chains running along [011]. In the crystal, the polymeric chains and the lattice water molecules are linked by N—H...O and O—H...N hydrogen bonds, as well as weak C—H...O, O—H...π and C—H...π interactions into a three-dimensional supramolecular architecture.

scholarly journals Crystal structure of the one-dimensional coordination polymer formed by the macrocyclic [Ni(cyclam)]2+ cation and the dianion of diphenylsilanediylbis(4-benzoic acid)

2020 ◽  
Vol 76 (6) ◽  
pp. 929-932
Author(s):  
Sergey P. Gavrish ◽  
Sergiu Shova ◽  
Maria Cazacu ◽  
Yaroslaw D. Lampeka
Keyword(s):  
Crystal Structure ◽  
Macrocyclic Ligand ◽  
Three Dimensional ◽  
Polymeric Chain ◽  
Water Molecules ◽  
Supramolecular Network ◽  
Asymmetric Unit ◽  
One Dimensional ◽  
Polymeric Chains ◽  
The One

The asymmetric unit of the title compound, catena-poly[[[(1,4,8,11-tetraazacyclotetradecane-κ4 N 1,N 4,N 8,N 11)nickel(II)]-μ-4,4′-(diphenylsilanediyl)dibenzoato-κ2 O:O′] sesquihydrate], {[Ni(C26H18O4Si)(C10H24N4)]·1.5H2O} n , consists of the halves of the centrosymmetric macrocyclic cation and the C 2-symmetric dicarboxylate dianion and of the water molecule of crystallization. The Ni2+ ion is coordinated by the four secondary N atoms of the macrocyclic ligand characterized by the most energetically favourable trans-III conformation and two mutually trans O atoms of the carboxylate, forming a slightly tetragonally elongated trans-N4O2 octahedron. The crystals are composed of parallel polymeric chains of the macrocyclic cations linked by the anions of the acid running along the [101] direction. Each polymeric chain is bonded to four neighbouring ones via water molecules providing O—H...O hydrogen bonds to the non-coordinated carboxyl O atoms to form a three-dimensional supramolecular network.

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