2-Hydroxy-3-methoxybenzaldehyde (pyridinium-4-ylcarbonyl)hydrazone chloride hemihydrate

2006 ◽  
Vol 62 (5) ◽  
pp. o2043-o2044 ◽  
Author(s):  
Shao-Wen Chen ◽  
Han-Dong Yin ◽  
Da-Qi Wang ◽  
Xia Kong ◽  
Xiao-Fang Chen
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Compound C

The crystal structure of the title compound, C14H14ClN3O3 +·Cl−·0.5H2O, exhibits O—H...O, C—H...O, C—H...Cl, N—H...Cl and O—H...Cl hydrogen bonds. The chloride anions participate in extensive hydrogen bonding with the aminium cations and link molecules through multiple N—H+...Cl− interactions.

4-Oxo-2,3,5,6-tetraphenylpiperidine-1-carbonitrile ethyl acetate hemisolvate

2006 ◽  
Vol 62 (4) ◽  
pp. o1295-o1297
Author(s):  
J. Suresh ◽  
V. P. Alex Raja ◽  
S. Natarajan ◽  
S. Perumal ◽  
A. Mostad ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Ethyl Acetate ◽  
Title Compound ◽  
Chair Conformation ◽  
Compound C ◽  
Phenyl Rings ◽  
Space Filler ◽  
Acetate Molecule

In the title compound, C30H24N2O·0.5C4H8O2, the piperidone ring adopts the chair conformation and all the phenyl rings are equatorially oriented. The ethyl acetate molecule is present as a space filler and does not participate in the hydrogen-bonding network. The crystal structure is stabilized through C—H...N and C—H...O hydrogen bonds. No significant C—H...π and π–π interactions are observed.

scholarly journals (1-Methyl-1H-imidazol-3-ium-2-yl)(phenyl)phosphinate monohydrate

2012 ◽  
Vol 68 (8) ◽  
pp. o2330-o2330
Author(s):  
Yong-Ming Sun ◽  
Meng Yang ◽  
Chang-Qiu Zhao
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Predominant Role ◽  
Lattice Water ◽  
Compound C

The title compound, C10H11N2O2P·H2O, contains a tetracoordinate pentavalent P atom. The phosphinate group plays a predominant role in the cohesion of the crystal structure by forming chains along thebaxisviaintermolecular C—H...O hydrogen bonds. These chains are connected by O—H...O and N—H...O hydrogen bonding involving the lattice water.

scholarly journals N-Methyl-N-nitroso-p-toluenesulfonamide

2014 ◽  
Vol 70 (7) ◽  
pp. o782-o782
Author(s):  
Kartik Rai ◽  
Vincent Wu ◽  
Priya Gupta ◽  
David A. Laviska ◽  
Benny C. Chan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Methyl Groups ◽  
Stacking Interactions ◽  
Aromatic Rings ◽  
Compound C ◽  
Π Stacking ◽  
Centroid Distance

The crystal structure of the title compound, C8H10N2O3S, displays predominant C—H...O hydrogen-bonding and π–π stacking interactions. The hydrogen bonds are between the O atoms of the sulfonyl group and H atoms on methyl groups. The π–π stacking interactions occur between adjacent aromatic rings, with a centroid–centroid distance of 3.868 (11) Å. These interactions lead to the formation of chains parallel to (101).

(+)-N-[(R)-1-(2-Hydroxy-5-methylphenyl)propyl]-N-[(R)-2-methyl-1-phenylpropyl]ammonium chloride

2006 ◽  
Vol 62 (7) ◽  
pp. o2622-o2624 ◽  
Author(s):  
Xiao-Feng Yang ◽  
Da-Qi Wang ◽  
Guang-You Zhang ◽  
Takuji Hirose
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Ammonium Chloride ◽  
Absolute Configuration ◽  
Title Compound ◽  
Condensation Reaction ◽  
Compound C ◽  
The Absolute ◽  
Phenol Ring

The title compound, C20H28NO+·Cl−, was synthesized by a condensation reaction. The absolute configuration of the new stereogenic centre (the C atom between the N atom and the phenol ring) was determined as R. The crystal structure is stabilized through N—H...Cl and O—H...Cl hydrogen bonds and intramolecular N—H...O hydrogen bonding.

1-[1-(2-Chlorophenyl)ethylidene]thiosemicarbazide

2007 ◽  
Vol 63 (3) ◽  
pp. o1160-o1161 ◽  
Author(s):  
Jian-Gang Wang ◽  
Fang-Fang Jian ◽  
Xiao-Yan Ren ◽  
Shi-Hong Kan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Room Temperature ◽  
Two Dimensional ◽  
Compound C ◽  
Hydrogen Bonding Interactions

The title compound, C9H10CIN3S, was prepared by the reaction of thiosemicarbazide with 1-(2-chlorophenyl)ethanone at room temperature. The packing is stabilized by hydrogen bonds. In the crystal structure, molecules are linked into two-dimensional layers by intermolecular N—H...S hydrogen-bonding interactions.

scholarly journals Crystal structure of 4-{[(naphthalen-2-yl)sulfonylamino]methyl}cyclohexanecarboxylic acid

2015 ◽  
Vol 71 (3) ◽  
pp. o145-o145 ◽  
Author(s):  
Muhammad Danish ◽  
Muhammad Nawaz Tahir ◽  
Asif Hussain ◽  
Muhammad Ashfaq ◽  
Muhammad Nadeem Sadiq
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Carboxylic Acid ◽  
Hydrogen Bonds ◽  
Tranexamic Acid ◽  
Title Compound ◽  
Π Interactions ◽  
Carboxylic Acid Groups ◽  
Compound C ◽  
Thick Layers

The title compound, C18H21NO4S, is a new sulfonamide derivative of tranexamic acid. In the crystal, molecules form inversion dimersviaO—H...O hydrogen bonds involving the carboxylic acid groups. Hydrogen bonding between the sulfonamide N—H group and the carboxylic acid O atom assembles the dimers into thick layers parallel to (100). The naphthalene groups of adjacent layers are arranged in a herring-bone motif. There are C—H...π interactions between the naphthalene rings of neighbouring layers.

(E)-3-(2-Nitriminoimidazolidin-1-yl)-1-phenylpropan-1-one

2007 ◽  
Vol 63 (11) ◽  
pp. o4242-o4242
Author(s):  
Haibo Yu ◽  
Bingnan Zhang ◽  
Jianxin Fang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Imidazole Ring ◽  
Dimensional Chain ◽  
Two Dimensional ◽  
One Dimensional ◽  
Compound C ◽  
Hydrogen Bonding Interactions

In the crystal structure of the title compound, C12H14N4O3, the dihedral angle between the phenyl and imidazole rings is 76.55 (7)°. The nitrite O atoms of the (E)-2-nitriminoimidazolidin-1-yl group act as the acceptors of three N—H...O hydrogen bonds from the N atom of the imidazole ring, resulting in a one-dimensional chain. C—H...O hydrogen-bonding interactions are also observed in this complex, extending the structure into a two-dimensional supramolecular sheet.

scholarly journals (Z)-2-(2-Oxoindolin-3-ylidene)-N-phenylhydrazinecarbothioamide

2012 ◽  
Vol 68 (4) ◽  
pp. o962-o963 ◽  
Author(s):  
Amna Qasem Ali ◽  
Naser Eltaher Eltayeb ◽  
Siang Guan Teoh ◽  
Abdussalam Salhin ◽  
Hoong-Kun Fun
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Compound C ◽  
Hydrogen Bonding Interactions ◽  
Graph Set

In the title compound, C15H12N4OS, the dihedral angle between the nine-membered indolin-2-one ring system and the phenyl ring is 2.72 (7)°. Intramolecular cyclic N—H...O and C—H...S hydrogen-bonding interactions [graph setS(6)] are present, as are weak N—H...N interactions [graph setS(5)]. In the crystal, molecules form centrosymmetric cyclic dimers through pairs of N—H...O hydrogen bonds [graph setR22(8)] and these are extended by C—H...S interactions. The crystal structure also features weak C—H...π interactions.

4,6-Dibenzoylisophthalic acid dimethyl sulfoxide disolvate

2006 ◽  
Vol 62 (7) ◽  
pp. o2697-o2699
Author(s):  
Shan Liu ◽  
Guang-Liang Song ◽  
Jun-Mei Tang ◽  
Wen-Kai Xu ◽  
Hong-Jun Zhu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Dimethyl Sulfoxide ◽  
Title Compound ◽  
Carboxyl Groups ◽  
Compound C

In the crystal structure of the title compound, C22H14O6··2C2H6OS, 4,6-dibenzoylisophthalic acid is connected to two dimethyl sulfoxide molecules by strong O—H...O=S hydrogen bonds. Weak intermolecular C—H...O hydrogen bonds connect molecules into dimers. Intramolecular three-centred C—H...O hydrogen bonding is favoured by a syn conformation of both carboxyl groups. The two dimethyl sulfoxide molecules were found to be disordered over two equally populated sites.

scholarly journals Crystal structure and Hirshfeld surface analysis of (Z)-4-(4-hydroxybenzylidene)-3-methylisoxazol-5(4H)-one

2018 ◽  
Vol 74 (7) ◽  
pp. 926-930
Author(s):  
Wissem Zemamouche ◽  
Rima Laroun ◽  
Noudjoud Hamdouni ◽  
Ouarda Brihi ◽  
Ali Boudjada ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Surface Analysis ◽  
Title Compound ◽  
Three Dimensional ◽  
Hirshfeld Surface ◽  
Π Interactions ◽  
Compound C ◽  
Hirshfeld Surfaces

The title compound, C11H9NO3, contains an isoxazole and a hydroxybenzylidene ring, which are inclined to each another by 3.18 (8)°. There is an intramolecular C—H...O contact forming an S(7) ring. In the crystal, molecules stack head-to-tail in columns along the b-axis direction, linked by offset π–π interactions [intercentroid distances of 3.676 (1) and 3.723 (1) Å]. The columns are linked by O—H...O and O—H...N hydrogen bonds, forming layers parallel to the ab plane. The layers are linked by C—H...O hydrogen bonds, forming a supramolecular three-dimensional framework. An analysis of the Hirshfeld surfaces points to the importance of the O—H...O and O—H...N hydrogen bonding in the packing mechanism of the crystal structure.

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