The double-stranded ladder-like structure of poly[[bis(μ2-acetato-κ2O:O′)bis(acetato-κO)bis(μ-4,4′-bipyridine-κ2N:N′)dicopper(II)] 4-nitrophenol disolvate tetrahydrate]

2013 ◽  
Vol 69 (10) ◽  
pp. 1100-1103
Author(s):  
Sizwe J. Zamisa ◽  
Patrick Ndungu ◽  
Bernard Omondi
Keyword(s):  
Hydrogen Bonding ◽  
Coordination Polymer ◽  
Title Compound ◽  
Basal Plane ◽  
Copper Acetate ◽  
Water Solvent ◽  
Hydrogen Bonding Interactions ◽  
Complex Forms ◽  
Solvent Molecules ◽  
Unit Cell Length

The reaction of 4,4′-bipyridine with copper acetate in the presence of 4-nitrophenol led to the formation of the title compound, {[Cu(CH3COO)2(C10H8N2)]·C6H5NO3·2H2O}n. The complex forms a double-stranded ladder-like coordination polymer extending along thebaxis. The double-stranded polymers are separated by 4-nitrophenol and water solvent molecules. The two CuIIcentres of the centrosymmetric Cu2O2ladder rungs have square-pyramidal coordination environments, which are formed by two acetate O atoms and two 4,4′-bipyridine N atoms in the basal plane and another acetate O atom at the apex. The ladder-like double strands are separated from each other by one unit-cell length along thecaxis, and are connected by the water and 4-nitrophenol molecules through a series of O—H...O and C—H...O hydrogen-bonding interactions and two unique intermolecular π–π interactions.

scholarly journals Di-μ-oxido-bis({2,2′-[ethane-1,2-diylbis(nitrilomethanylylidene)]diphenolato}titanium(IV)) chloroform disolvate

2013 ◽  
Vol 69 (11) ◽  
pp. m626-m627 ◽  
Author(s):  
Kirill V. Zaitsev ◽  
Sergey S. Karlov ◽  
Galina S. Zaitseva ◽  
Elmira Kh. Lermontova ◽  
Andrei V. Churakov
Keyword(s):  
Hydrogen Bonding ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Complex Molecules ◽  
Coordination Environment ◽  
Hydrogen Bonding Interactions ◽  
Distorted Octahedral ◽  
Solvent Molecules

In the title compound, [Ti2(C16H14N2O2)2O2]·2CHCl3, the TiIVatom in the centrosymmetric complex has a distorted octahedral N2O4coordination environment and is linkedviatwo μ2-oxido bridges into a dinuclear centrosymmetric complex, with a Ti...Ti separation of 2.7794 (8) Å. In the salen (N,N′-ethylenebis(salicylimine)) ligand, the two salicylimine units make a dihedral angle of 45.31 (5)°. The complex molecules are stacked parallel to [100], forming channels in which the solvent chloroform molecules are located. C—H...O hydrogen-bonding interactions between the complex molecules and the solvent molecules consolidate the crystal packing.

A three-dimensional coordination polymer based on the Zn4(μ3-OH)2unit: poly[[(μ4-benzene-1,4-dicarboxylato)bis(μ3-benzene-1,4-dicarboxylato)bis(μ3-hydroxido)bis(1,10-phenanthroline-5,6-dione)tetrazinc] dihydrate]

2015 ◽  
Vol 71 (2) ◽  
pp. 136-139
Author(s):  
Meng Wen ◽  
Zu-Ping Xiao ◽  
Chun-Ya Wang ◽  
Xi-He Huang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Coordination Polymer ◽  
Dicarboxylic Acid ◽  
Title Compound ◽  
Three Dimensional ◽  
Water Molecules ◽  
Hydrogen Bonding Interactions ◽  
Carboxylate Groups ◽  
Form Part

The title compound, {[Zn4(C8H4O4)3(OH)2(C12H6N2O2)2]·2H2O}n, has been prepared hydrothermally by the reaction of Zn(NO3)2·6H2O with benzene-1,4-dicarboxylic acid (H2bdc) and 1,10-phenanthroline-5,6-dione (pdon) in H2O. In the crystal structure, a tetranuclear Zn4(OH)2fragment is located on a crystallographic inversion centre which relates two subunits, each containing a [ZnN2O4] octahedron and a [ZnO4] tetrahedron bridged by a μ3-OH group. The pdon ligand chelates to zinc through its two N atoms to form part of the [ZnN2O4] octahedron. The two crystallographically independent bdc2−ligands are fully deprotonated and adopt μ3-κO:κO′:κO′′ and μ4-κO:κO′:κO′′:κO′′′ coordination modes, bridging three or four ZnIIcations, respectively, from two Zn4(OH)2units. The Zn4(OH)2fragment connects six neighbouring tetranuclear units through four μ3-bdc2−and two μ4-bdc2−ligands, forming a three-dimensional framework with uninodal 6-connected α-Po topology, in which the tetranuclear Zn4(OH)2units are considered as 6-connected nodes and the bdc2−ligands act as linkers. The uncoordinated water molecules are located on opposite sides of the Zn4(OH)2unit and are connected to it through hydrogen-bonding interactions involving hydroxide and carboxylate groups. The structure is further stabilized by extensive π–π interactions between the pdon and μ4-bdc2−ligands.

scholarly journals Crystal structure of 4-methyl-N-[2-(piperidin-1-yl)ethyl]benzamide monohydrate

2015 ◽  
Vol 71 (5) ◽  
pp. o359-o360 ◽  
Author(s):  
B. K. Revathi ◽  
D. Reuben Jonathan ◽  
S. Sathya ◽  
K. Prathebha ◽  
G. Usha
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Title Compound ◽  
Solvent Molecule ◽  
Chair Conformation ◽  
Piperidine Ring ◽  
Water Solvent ◽  
Compound C ◽  
Hydrogen Bonding Interactions ◽  
Benzene Rings

In the title compound, C15H22N2O·H2O, the dihedral angle between the planes of the piperidine and benzene rings is 31.63 (1)°. The piperidine ring adopts a chair conformation. The water solvent molecule is involved in interspecies O—H...O, O—H...N, N—H...O and weak C—H...O hydrogen-bonding interactions, giving rise to chains extending along [010].

scholarly journals Crystal structure of tetrakis(isonicotinamide-κN)bis(thiocyanato-κN)cobalt(II)–isonicotinamide–ethanol (1/2/1)

2016 ◽  
Vol 72 (8) ◽  
pp. 1077-1080 ◽  
Author(s):  
Tristan Neumann ◽  
Inke Jess ◽  
Christian Näther
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Solvent Molecule ◽  
Three Dimensional ◽  
Asymmetric Unit ◽  
Hydrogen Bonding Interactions ◽  
Dimensional Network ◽  
Solvent Molecules

The asymmetric unit of the title compound, [Co(NCS)2(C6H6N2O)4]·2C6H6N2O·C2H5OH, comprises one CoIIcation, two thiocyanate anions, four coordinating and two solvent isonicotinamide molecules and one ethanol solvent molecule. The CoIIcations are octahedrally coordinated by four N-coordinating isonicotinamide ligands and two terminally N-bonded thiocyanate anions. These discrete complexes are linked by intermolecular N—H...O and N—H...S hydrogen-bonding interactions into a three-dimensional network. The two isonicotinamide and the ethanol solvent molecules are embedded in channels of this network and are linked through further N—H...O and N—H...N hydrogen bonds to the network. The ethanol solvent molecule is disordered over two sets of sites (occupancy ratio 0.6:0.4).

scholarly journals Structure and spectroscopic properties ofN,S-coordinating 2-methylsulfanyl-N-[(1H-pyrrol-2-yl)methylidene]aniline methanol monosolvate

2015 ◽  
Vol 71 (10) ◽  
pp. 1136-1139
Author(s):  
D. Douglas Richards ◽  
M. Trisha C. Ang ◽  
Robert McDonald ◽  
Matthias Bierenstiel
Keyword(s):  
Hydrogen Bonding ◽  
Title Compound ◽  
Solvent Molecule ◽  
Spectroscopic Properties ◽  
Slow Evaporation ◽  
Compound C ◽  
Hydrogen Bonding Interactions ◽  
Aniline Molecule ◽  
Solvent Molecules ◽  
Olive Green

The reaction of pyrrole-2-carboxaldehyde and 2-(methylsulfanyl)aniline in refluxing methanol gave an olive-green residue in which yellow crystals of the title compound, C12H12N2S·CH3OH, were grown from slow evaporation of methanol at 263 K. In the crystal, hydrogen-bonding interactions link the aniline molecule and a nearby methanol solvent molecule. These units are linked by a pair of weak C—H...Omethanolinteractions, forming inversion dimers consisting of two main molecules and two solvent molecules.

scholarly journals Crystal structure of bis{2,4-di-tert-butyl-6-[(isopropylimino)methyl]phenolato-κ2N,O}zinc dichloromethane monosolvate

2014 ◽  
Vol 70 (12) ◽  
pp. m390-m391
Author(s):  
Yuan-Zeng Hao
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Dihedral Angle ◽  
Title Compound ◽  
Tetrahedral Coordination ◽  
Complex Molecules ◽  
Hydrogen Bonding Interactions ◽  
Solvent Molecules ◽  
Imine Ligands ◽  
Distorted Tetrahedral Coordination

In the title compound, [Zn(C18H28NO)2]·CH2Cl2, the ZnIIatom isN,O-chelated by two crystallographically independent salicylaldehyde imine ligands, leading to a distorted tetrahedral coordination sphere. The dihedral angle between the planes of the two metallacycles is 88.69 (6)°. Intramolecular non-classical C—H...O hydrogen-bonding interactions are observed. In the crystal, the complex molecules stack into columns along theaaxis. Dichloromethane solvent molecules are situated in the voids of this arrangement.

scholarly journals catena-Poly[[bis{2-[3-(carboxymethyl)adamantan-1-yl]acetato-κ2O,O′}cadmium(II)]-μ-N,N′-bis(pyridine-4-carboxamido)piperazine-κ2N:N′]

IUCrData ◽  
2016 ◽  
Vol 1 (11) ◽  
Author(s):  
Jamelah Z. Travis ◽  
Robert L. LaDuca
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Coordination Polymer ◽  
Title Compound ◽  
Three Dimensional ◽  
Polymer Chains ◽  
Hydrogen Bonding Interactions ◽  
Carboxylate Groups ◽  
Distorted Octahedral ◽  
Dimensional Crystal

In the title compound, [Cd(C14H19O4)2(C16H16N4O2)]n, the CdIIcation is coordinated in a distorted octahedral fashion bytranspyridyl N-atom donors from twoN,N′-bis(pyridine-4-carboxamido)piperazine (bpcp) ligands, and chelating carboxylate groups from two 2-[3-(carboxymethyl)adamantan-1-yl]acetate ligands. [Cd(adaH)(bpcp)]ncoordination polymer chains are oriented along [-111] and aggregate into supramolecular layers parallel to (122) by O—H...O hydrogen-bonding interactions. The supramolecular three-dimensional crystal structure is then constructed by interlayer C—H...O non-classical interactions. The O atoms of one of the carboxylate groups were refined as disordered over two sets of sites, with occupancies 0.553 (7) and 0.447 (7).

2,4,6-Trimethylpyridine-3,5-dicarbonitrile

2006 ◽  
Vol 62 (7) ◽  
pp. o2765-o2767
Author(s):  
Hong-Li Wang ◽  
Bin Zhang ◽  
Yi Dai
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Title Compound ◽  
Asymmetric Unit ◽  
Compound C ◽  
Hydrogen Bonding Interactions

The title compound, C10H9N3, is essently planar, except for the methyl H atoms. The asymmetric unit consists of two molecules. In the crystal structure, weak intramolecular C—H...N hydrogen-bonding interactions occur, linking the molecules into chains propagating along the a axis.

scholarly journals 1,4a,7-Trimethyl-7-vinyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydrophenanthrene-1-carboxylic acid

2009 ◽  
Vol 65 (6) ◽  
pp. o1429-o1429
Author(s):  
Zhen-Dong Zhao ◽  
Yu-Xiang Chen ◽  
Yu-Min Wang ◽  
Liang-Wu Bi
Keyword(s):  
Hydrogen Bonding ◽  
Carboxylic Acid ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Molecular Conformation ◽  
Slash Pine ◽  
Carboxyl Groups ◽  
Isopimaric Acid ◽  
Hydrogen Bonding Interactions ◽  
Cyclohexene Ring

The title compound, also known as isopimaric acid, C20H30O2, was isolated from slash pine rosin. There are two unique molecules in the unit cell. The two cyclohexane rings have classical chair conformations. The cyclohexene ring represents a semi-chair. The molecular conformation is stabilized by weak intramolecular C—H...O hydrogen-bonding interactions. The molecules are dimerized through their carboxyl groups by O—H...O hydrogen bonds, formingR22(8) rings.

scholarly journals Bis(nitrilotriacetamide-κ4 N,O,O′,O′′)silver(I) nitrate

IUCrData ◽  
2018 ◽  
Vol 3 (1) ◽  
Author(s):  
Min Ren ◽  
Ming Yue ◽  
Jingwen Ran
Keyword(s):  
Hydrogen Bonding ◽  
Network Structure ◽  
Title Compound ◽  
Three Dimensional ◽  
Hydrogen Bonding Interactions ◽  
Dimensional Network

In the centrosymmetric cation of the title compound, [Ag(C6H12N4O3)2]NO3, the AgI ion, lying on a threefold rotoinversion axis, is coordinated by two N atoms and six O atoms from two nitrilotriacetamide ligands, forming a distorted dodecahedral environment. In the crystal, cations and anions are linked through N—H...O hydrogen-bonding interactions, leading to a three-dimensional network structure.

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