scholarly journals rac-1,1,1,6,6,6-Hexachlorohex-3-yne-2,5-diol hemihydrate

IUCrData ◽  
2017 ◽  
Vol 2 (8) ◽  
Author(s):  
Heiner Detert ◽  
Dieter Schollmeyer
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Rotation Axis ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Compound C ◽  
Centrosymmetric Dimers

The asymmetric unit of the title compound, C6H4Cl6O2·0.5H2O, contains one molecule of 1,1,1,6,6,6-hexachlorohex-3-yne-2,5-diol and half a water molecule located on a twofold rotation axis. In the crystal, pairs of hexachlorohexynediol molecules form centrosymmetric dimers connectedviapairwise O—H...O hydrogen bonds. These dimers are connected by water molecules, resulting in layers parallel to theabplane.

scholarly journals Piperazinium hydrogenarsenate monohydrate

2007 ◽  
Vol 63 (3) ◽  
pp. m905-m907 ◽  
Author(s):  
Hazel S. Wilkinson ◽  
William T. A. Harrison
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Compound C

In the title compound, C4H12N2 2+·HAsO4 2−·H2O, the component species interact by way of N—H...O and O—H...O hydrogen bonds, the latter leading to infinite sheets of HAsO4 2− anions and water molecules containing R 6 6(18) loops. The asymmetric unit contains one anion, one water molecule and half each of two centrosymmetric cations.

scholarly journals 2,2′-Bipyridin-1-ium hemioxalate oxalic acid monohydrate

IUCrData ◽  
2018 ◽  
Vol 3 (8) ◽  
Author(s):  
Błażej Dziuk ◽  
Anna Jezuita
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Oxalic Acid ◽  
Water Molecule ◽  
Title Compound ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Compound C ◽  
Oxalic Acids

The asymmetric unit of the title compound, C10H9N2 +·0.5C2O4 2−·C2H2O4·H2O, consists of a 2,2′-bipyridinium cation, half an oxalate dianion, one oxalic acid and one water molecule. One N atom in 2,2′-bipyridine is unprotonated, while the second is protonated and forms an N—H...O hydrogen bond. In the crystal, the anions are connected with surrounding acid molecules and water molecules by strong near-linear O—H...O hydrogen bonds. The water molecules are located between the anions and oxalic acids; their O atoms participate as donors and acceptors, respectively, in O—H...O hydrogen bonds, which form sheets arranged parallel to the ac plane.

scholarly journals Bis(3-azaniumylpropyl)azanium hexachloridobismuthate(III) monohydrate

2013 ◽  
Vol 69 (12) ◽  
pp. m666-m666 ◽  
Author(s):  
Nizar Elfaleh ◽  
Hassen Chouaib ◽  
Slaheddine Kamoun
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Hydrogen Bond Interactions ◽  
Compound C ◽  
Dimensional Network

The asymmetric unit of the title compound, (C6H20N3)[BiCl6]·H2O, consists of a triprotonated bis(3-azaniumylpropyl)azanium cation, two halves of an octahedral [BiCl6]3−anion, each of the BiIIIatoms lying on an inversion centre, and a water molecule. In the crystal, the anions and water molecules are linked by O—H...Cl hydrogen bonds, forming chains running parallel to [0-11]. The anionic chains and the cations are further linked into a three-dimensional network by N—H...Cl and N—H...O hydrogen-bond interactions.

scholarly journals 2-(Naphthalen-2-yloxy)-N′-[2-(naphthalen-2-yloxy)acetyl]acetohydrazide monohydrate

IUCrData ◽  
2021 ◽  
Vol 6 (3) ◽  
Author(s):  
Gamal A El-Hiti ◽  
Bakr F. Abdel-Wahab ◽  
Mohammed A. Baashen ◽  
Emad Yousif ◽  
Amany S. Hegazy ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Compound C

The title compound, C24H20N2O4·H2O, crystallizes with half a molecule of 2-(naphthalen-2-yloxy)-N′-[2-(naphthalen-2-yloxy)acetyl]acetohydrazide and half a water molecule in the asymmetric unit. In the crystal, molecules form planes parallel to (011). Two molecules are connected by water molecules via O—H...O and N—H...O hydrogen bonds.

scholarly journals 2-Amino-3-carboxypyrazin-1-ium perchlorate bis(2-aminopyrazin-1-ium-3-carboxylate) monohydrate

2012 ◽  
Vol 68 (6) ◽  
pp. o1714-o1715
Author(s):  
Fadila Berrah ◽  
Sofiane Bouacida ◽  
Ahlem Bouhraoua ◽  
Thierry Roisnel
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Compound C ◽  
Dimensional Network ◽  
Different Types

The asymmetric unit of the title compound, C5H6N3O2 +·ClO4 −·2C5H5N3O2·H2O, comprises two symmetry-independent zwitterions, one cation, one perchlorate anion and one water molecule. In the crystal, the three different types of organic entities are linked by N—H...O and N—H...N hydrogen bonds, forming undulating sheets parallel to (1-10). These sheets are in turn connected by O—H...N and O—H...O hydrogen bonds involving perchlorate anions and water molecules, forming a three-dimensional network. Intramolecular N—H...O and weak intermolecular C—H...O hydrogen bonds are also present.

scholarly journals 1,4-Bis(4H-1,2,4-triazol-4-yl)benzene dihydrate

2012 ◽  
Vol 68 (8) ◽  
pp. o2394-o2394
Author(s):  
Xiu-Guang Wang ◽  
Jian-Hui Li ◽  
Bin Ding ◽  
Gui-Xiang Du
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Triazole Ring ◽  
Water Molecules ◽  
Inversion Symmetry ◽  
Asymmetric Unit ◽  
Organic Species ◽  
Compound C

The asymmetric unit of the title compound, C10H8N6·2H2O, comprises half the organic species, the molecule being completed by inversion symmetry, and one water molecule. The dihedral angle between the 1,2,4-triazole ring and the central benzene ring is 32.2 (2)°. The water molecules form O—H...N hydrogen bonds with N-atom acceptors of the triazole rings. C—H...N hydrogen bonds are also observed, giving a three-dimensional framework.

scholarly journals 1-(4-Hydroxyphenyl)piperazine-1,4-diium tetrachloridocobalt(II) monohydrate

2014 ◽  
Vol 70 (2) ◽  
pp. m75-m75 ◽  
Author(s):  
Marwa Mghandef ◽  
Habib Boughzala
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Three Dimensional ◽  
Organic Cations ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Hybrid Compound ◽  
Organic Hybrid ◽  
Compound C ◽  
Dimensional Network

The asymmetric unit of the title inorganic–organic hybrid compound, (C10H16N2O)[CoCl4]·H2O, consists of a tetrahedral [CoCl4]2−anion, together with a [C10H18N2O]2+cation and a water molecule. Crystal cohesion is achieved through N—H...Cl, O—H...Cl and N—H...O hydrogen bonds between organic cations, inorganic anions and the water molecules, building up a three-dimensional network.

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.

Quinidine sesquihydrate

2007 ◽  
Vol 63 (3) ◽  
pp. o1483-o1484
Author(s):  
Min-Jie Guo ◽  
Shu-Juan Zhang ◽  
Dong-Lan Sun ◽  
Zhi Fan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Water Molecules ◽  
Asymmetric Unit ◽  
Compound C

In the asymmetric unit of the title compound, C20H24N2O2·1.5H2O, there are two independent quinidine [systematic name: (1S,3R,4S,8R,9S)-4-[hydroxy(5-vinyl-1-azabicyclo[2.2.2]oct-2-yl)methyl]-6-methoxyquinoline] molecules and three water molecules. Intermolecular O—H...O and O—H...N hydrogen bonds stabilize the crystal structure.

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.

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