scholarly journals Aquabis[N′-(1,3-dithiolan-2-ylidene)-2-hydroxybenzohydrazidato(0.5−)-κ2 N′,O]sodium(I)

2012 ◽  
Vol 68 (6) ◽  
pp. m827-m828
Author(s):  
Chahra Bouchameni ◽  
Chahrazed Beghidja ◽  
Adel Beghidja ◽  
Mehdi Boutebdja
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Negative Charge ◽  
Crystal Packing ◽  
Rotation Axis ◽  
Sodium Complex ◽  
Trigonal Bipyramidal ◽  
Distorted Trigonal Bipyramidal

The title compound, [Na(C10H9.5N2O2S2)2(H2O)], is a molecular sodium complex with N′-(1,3-dithiolan-2-yl)-2-hydroxybenzohydrazide ligands with the negative charge spread evenly over both, and a water molecule. The NaI ion coordination is distorted trigonal–bipyramidal, formed by two N and three O atoms, with the NaI ion lying on a twofold rotation axis. Intramolecular N—H...O hydrogen bonds occur. Molecules pack as discrete units and the crystal packing is stabilized by strong O—H...O hydrogen bonds, which give rise to chains along [010]; the chains are interlinked by strong O—H...O hydrogen bonds.

scholarly journals Bis(1H-benzimidazole-κN3)bis[2-(naphthalen-1-yl)acetato-κ2O,O′]nickel(II) monohydrate

2012 ◽  
Vol 68 (4) ◽  
pp. m416-m416
Author(s):  
Fu-Jun Yin ◽  
Li-Jun Han ◽  
Zhao Hong ◽  
Xing-You Xu ◽  
Li Ren
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Lattice Water Molecule ◽  
Crystal Packing ◽  
Rotation Axis ◽  
Octahedral Geometry ◽  
Acetate Anion ◽  
Asymmetric Unit ◽  
Lattice Water

In the title compound, [Ni(C12H9O2)2(C7H6N2)2]·H2O, The NiIIcation is located on a twofold rotation axis and is six-coordinated in a distorted NiN2O4octahedral geometry. The asymmetric unit consists of a nickel(II) ion, one 2-(naphthalen-1-yl)acetate anion, a neutral benzotriazole ligand and one half of a lattice water molecule. The crystal packing is stabilized by O—H...O and N—H...O hydrogen bonds. The title compound is isotypic with its CdIIanalogue.

scholarly journals Poly[μ2-aqua-bis[μ4-2-(1H-1,2,3-benzotriazol-1-yl)acetato]dipotassium]

2012 ◽  
Vol 68 (4) ◽  
pp. m379-m379 ◽  
Author(s):  
Qiong Liu
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Rotation Axis ◽  
Aqua Ligand ◽  
Octahedral Geometry ◽  
Two Dimensional ◽  
Compound K ◽  
Bridging Ligands ◽  
Carboxylate Groups

In the title compound, [K2(C8H6N3O2)2(H2O)]n, each K+ion is seven-coordinated by one O atom from a bridging water molecule, five carboxylate O atoms and one N atom from a benzotriazole group, forming a distorted mono-capped octahedral geometry. In the crystal, the carboxylate groups act as bridging ligands, forming a two-dimensional polymer parallel to (001). The aqua ligand, which lies on a twofold rotation axis, forms intermolecular O—H...O hydrogen bonds within these layers.

scholarly journals 2-Carboxy-4-(hydroxymethyl)pyridinium chloride hemihydrate

2007 ◽  
Vol 63 (3) ◽  
pp. o1121-o1122
Author(s):  
Lars S. von Chrzanowski ◽  
Martin Lutz ◽  
Anthony L. Spek ◽  
Aidan R. McDonald ◽  
Gerard P. M. van Klink ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Pyridinium Chloride ◽  
Compound C ◽  
Dimensional Network

The title compound, C7H8NO3 +·Cl−·0.5H2O, features inter- and intramolecular O—H...Cl and N—H...O hydrogen bonds, linking the molecules into a three-dimensional network. The water molecule is located on a crystallographic twofold rotation axis.

scholarly journals Di-μ-hydroxido-bis[hemiaqua(N,N,N′,N′-tetramethylethane-1,2-diamine)copper(II)] bis(tetrafluoridoborate)

2012 ◽  
Vol 68 (6) ◽  
pp. m784-m784
Author(s):  
Jaroslava Haníková ◽  
Juraj Kuchár ◽  
Zdeněk Trávníček ◽  
Juraj Černák
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Basal Plane ◽  
Crystal Packing ◽  
Coordination Geometry ◽  
Apical Position

The title compound, [Cu2(OH)2(C6H16N2)2(H2O)](BF4)2, consists of dinuclear centrosymmetric [Cu2(OH)2(tmen)2(H2O)]2+ complex cations (tmen = N,N,N′,N′-tetramethylethane-1,2-diamine) and tetrafluoridoborate anions. In the cation, the CuII atom shows a slightly distorted square-pyramidal coordination geometry provided by a pair of μ-OH− anions and by the N atoms of a chelate tmen ligand in the basal plane. The apical position is statistically occupied by the O atom of a half-occupancy water molecule. The F atoms of the anion are disordered over three sets of sites with occupancies of 0.598 (9):0.269 (6):0.134 (8). The crystal packing is governed by ionic forces as well as by O—H...F hydrogen bonds.

scholarly journals Crystal structure of aquabis[2-(1H-benzimidazol-2-yl-κN3)aniline-κN]zinc dinitrate

2015 ◽  
Vol 71 (4) ◽  
pp. m85-m86 ◽  
Author(s):  
Yongtae Kim ◽  
Sung Kwon Kang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Equatorial Plane ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Aqua Ligand ◽  
Trigonal Bipyramidal ◽  
Dimensional Network ◽  
Distorted Trigonal Bipyramidal

The cation of the complex title salt, [Zn(C13H11N3)2(H2O)](NO3)2, lies about a twofold rotation axis, which passes through the ZnIIatom and the O atom of the aqua ligand. The ZnIIatom adopts a distorted trigonal–bipyramidal geometry defined by two N atoms in axial positions [angle = 166.24 (7)°], and two N and one O atom in the equatorial plane [range of angles: 115.17 (7)–122.42 (3)°]. The dihedral angle between the imidazole and aniline rings is 23.86 (5)°. In the crystal, N—H...O and O—H...O hydrogen bonds link the components into a three-dimensional network.

scholarly journals Di-μ-aqua-bis{diaqua[μ-4-({4-[bis(2-hydroxyethyl)amino]-6-chloro-1,3,5-triazin-2-yl}amino)benzenesulfonato]sodium(I)}

2012 ◽  
Vol 68 (6) ◽  
pp. m847-m848
Author(s):  
Mei Zhang ◽  
Fu-Yu Sun ◽  
Gui-Zhe Zhao ◽  
Ya-Qing Liu
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Water Molecules ◽  
Coordination Geometry ◽  
Trigonal Bipyramidal Geometry ◽  
Trigonal Bipyramidal ◽  
Distorted Trigonal Bipyramidal

In the dinuclear title compound, [Na2(C13H15ClN5O5S)2(H2O)6] n , two Na+ cations, disposed about a centre of inversion, are linked by two bridging water molecules. The coordination geometry is based on an O5 donor set defined by four water molecules and a 4-aminobenzenesulfonate O atom in a distorted trigonal–bipyramidal geometry. In the crystal, significant O—H...O, O—H...N and N—H...O hydrogen bonds lead to the formation of a three-dimensional architecture.

Poly[aqua[μ4-3,3′-(diazenediyl)dibenzoato]zinc]

2012 ◽  
Vol 69 (1) ◽  
pp. 29-32 ◽  
Author(s):  
Lei-Lei Liu ◽  
Feng Zhao
Keyword(s):  
Water Molecule ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Solvothermal Reaction ◽  
Coordination Geometry ◽  
One Dimensional ◽  
Trigonal Bipyramidal ◽  
Carboxylate Groups ◽  
Distorted Trigonal Bipyramidal Coordination ◽  
Distorted Trigonal Bipyramidal

The solvothermal reaction of Zn(OAc)2·2H2O with 3,3′-(diazenediyl)dibenzoic acid (H2ADB) in H2O at 393 K afforded the title complex, [Zn(C14H8N2O4)(H2O)]n. The asymmetric unit contains half a ZnIIcation, half an ADB ligand and half a water molecule. Each ZnIIcentre lies on a crystallographic twofold rotation axis and is five-coordinated by four O atoms of bridging carboxylate groups from four ADB ligands and one O atom from a water molecule, forming a distorted trigonal–bipyramidal coordination geometry. The [Zn(H2O)] subunits are bridged by carboxylate groups to give one-dimensional [Zn(μ-COO)4(H2O)]nchains. The chains are linked by ADB ligands into two-dimensional sheets, and these sheets are further connected to neighbouring sheetsviahydrogen bonds (OW—HW...O), forming a three-dimensional hydrogen-bond-stabilized structure with an unprecedented 374175262topology.

N′-(4-Hydroxy-3-methoxybenzylidene)isonicotinohydrazide monohydrate

2007 ◽  
Vol 63 (3) ◽  
pp. o1119-o1120 ◽  
Author(s):  
Xue-Fang Shi ◽  
Lei He ◽  
Guo-Zhun Ma ◽  
Cui-Cui Yuan
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Crystal Packing ◽  
Asymmetric Unit ◽  
Solvent Water Molecule ◽  
Solvent Water ◽  
Compound C

The asymmetric unit of the title compound, C14H13N3O3·H2O, contains one molecule of N′-(4-hydroxy-3-methoxybenzylidene)isonicotinohydrazide and one solvent water molecule. The crystal packing is stabilized by O—H...N and O—H...O hydrogen bonds.

scholarly journals Poly[hydrazin-1-ium [diaquabis(μ4-pyridazine-3,6-dicarboxylato)trilithate] monohydrate]

2012 ◽  
Vol 68 (4) ◽  
pp. m496-m497 ◽  
Author(s):  
Wojciech Starosta ◽  
Janusz Leciejewicz
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Water Molecules ◽  
Extended System ◽  
Tetrahedral Geometry ◽  
Crystal Water ◽  
Distorted Tetrahedral Geometry ◽  
Trigonal Bipyramidal ◽  
Distorted Trigonal Bipyramidal

The structure of the title compound, {(N2H5)[Li3(C6H2N2O4)2(H2O)2]·H2O}n, is composed of molecular dimers, each built up of two symmetry-related LiIions with distorted trigonal–bipyramidal coordinations bridged by two deprotonated ligand moleculesviatheirN,O-bonding sites. Doubly solvated LiIions with a distorted tetrahedral geometry link adjacent dimers, forming a polymer generated by bridging bidentate carboxylato O atoms to LiIions in adjacent dimers, forming anionic layers parallel to theacplane with monoprotonated hydrazinium cations and crystal water molecules positioned between them. The layers are held together by an extended system of hydrogen bonds in which the hydrazinium cations and coordinated and crystal water molecules act as donors and carboxylate O atoms act as acceptors.

scholarly journals Raltegravir monohydrate

2013 ◽  
Vol 69 (12) ◽  
pp. o1743-o1744
Author(s):  
Thammarse S. Yamuna ◽  
Jerry P. Jasinski ◽  
Brian J. Anderson ◽  
H. S. Yathirajan ◽  
Manpreet Kaur
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Crystal Packing ◽  
Integrase Inhibitor ◽  
Pyrimidine Ring ◽  
Amide Group ◽  
Dihedral Angles ◽  
Hiv Integrase ◽  
The Mean

The hydrated title compound [systematic name:N-(4-fluorobenzyl)-5-hydroxy-1-methyl-2-{1-methyl-1-[(5-methyl-1,3,4-oxadiazol-2-ylcarbonyl)amino]ethyl}-6-oxo-1,6-dihydropyrimidine-4-carboxamide monohydrate], C20H21FN6O5·H2O, is recognised as the first HIV integrase inhibitor. In the molecule, the dihedral angles between the mean planes of the pyrimidine ring and the phenyl and oxadiazole rings are 72.0 (1) and 61.8 (3)°, respectively. The mean plane of the oxadiazole ring is twisted by 15.6 (3)° from that of the benzene ring, while the mean plane of amide group bound to the oxadiaole ring is twisted by 18.8 (3)° from its mean plane. Intramolecular O—H...O and C—H...N hydrogen bonds are observed in the molecule. The crystal packing features O—H...O hydrogen bonds, which include bifurcated O—H...(O,O) hydrogen bonds from one H atom of the water molecule. In addition, N—H...O hydrogen bonds are observed involving the two amide groups. These interactions link the molecules into chains along [010].

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