scholarly journals 2-Iodo-3-nitropyridine

2009 ◽  
Vol 65 (6) ◽  
pp. o1428-o1428 ◽  
Author(s):  
Li-Hua Mao ◽  
Yan Chen
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Title Compound ◽  
One Dimensional ◽  
Compound C ◽  
Hydrogen Bonding Interactions

In the crystal structure of the title compound, C5H3IN2O2, intermolecular C—H...N hydrogen-bonding interactions link the molecules into one-dimensional chains along thebaxis.

(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.

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 Crystal structure of 2,3-diphenyl-2,3-dihydro-4H-1,3-benzothiazin-4-one 1-oxide

2017 ◽  
Vol 73 (8) ◽  
pp. 1189-1191 ◽  
Author(s):  
Hemant P. Yennawar ◽  
Ryan Fox ◽  
Quentin J. Moyer ◽  
Ziwei Yang ◽  
Lee J. Silverberg
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Benzene Ring ◽  
Title Compound ◽  
Phenyl Group ◽  
Dihedral Angles ◽  
Compound C ◽  
Hydrogen Bonding Interactions ◽  
Thiazine Ring

In the racemic title compound, C20H15NO2S, the planes of the two phenyl substituents form dihedral angles of 48.97 (15) and 69.26 (15)° with that of the fused benzene ring of the parent benzothiazine ring, while the heterocyclic thiazine ring exhibits a screw-boat pucker. The O atom on the S atom of the ring is pseudo-axial on the thiazine ring and trans to the 2-phenyl group. In the crystal, molecules are arranged in layers in the ac plane, the layers being linked across b through intermolecular C—H...O hydrogen-bonding interactions.

scholarly journals Crystal structure of 5,5′-bis(dimethylamino)-N,N′-(3-methyl-3-azapentane-1,5-diyl)di(naphthalene-1-sulfonamide)

2015 ◽  
Vol 71 (12) ◽  
pp. o959-o960 ◽  
Author(s):  
Toyketa V. Horne ◽  
Syed A. Haque ◽  
Adrianne Barton ◽  
Md. Alamgir Hossain
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Dihedral Angle ◽  
Tertiary Amine ◽  
Title Compound ◽  
Functional Group ◽  
Compound C ◽  
Hydrogen Bonding Interactions ◽  
Acceptor Atom ◽  
Dansyl Derivatives

In the title compound, C29H37N5O4S2, two arms substituted with dansyl derivatives are connected to a central tertiary amine, where the dihedral angle between the planes of two dansyl units is 56.39 (4)°. Each arm contains a sulfonamide functional group and both N—H groups in the compound are pointed to the same side. The central part of the molecule is disordered over three sets of sites with a refined occupancy ratio of 0.547 (4):0.328 (4):0.125 (3). No intramolecular π–π or hydrogen-bonding interactions are observed. In the crystal, molecules are linkedviapairs of N—H...O interactions involving the same acceptor atom, forming inversion dimers. In addition, C—H...O interactions exist between molecules, providing further stabilization of dimers.

scholarly journals 3-(2-Pyridyl)-5-(4-pyridyl)-4-(p-tolyl)-1H-1,2,4-triazole

2009 ◽  
Vol 65 (6) ◽  
pp. o1225-o1225
Author(s):  
Lu-Tong Yuan ◽  
Hai Zhang ◽  
Zuo-Xiang Wang ◽  
Zhi-Rong Qu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Title Compound ◽  
Triazole Ring ◽  
Dihedral Angles ◽  
Stacking Interactions ◽  
Compound C ◽  
Hydrogen Bonding Interactions ◽  
Π Stacking ◽  
Centroid Distance

In the molecule of the title compound, C19H15N5, the dihedral angles formed by the plane of the triazole ring with those of the 2-pyridyl, 4-pyridyl andp-tolyl rings are 28.12 (10), 34.62 (10) and 71.43 (9)°, respectively. The crystal structure is consolidated by C—H...π hydrogen-bonding interactions and by π–π stacking interactions, with a centroid–centroid distance of 3.794 (4) Å.

(R)-2,2′-Bis(methoxymethoxy)-1,1′-binaphthalenyl-3-carbaldehyde

2006 ◽  
Vol 62 (4) ◽  
pp. o1243-o1244
Author(s):  
Wei-Zhu Chen ◽  
Hua Fang ◽  
Qing-Le Zeng ◽  
Peng-Xiang Xu ◽  
Yu-Fen Zhao
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Title Compound ◽  
Molecular Packing ◽  
Compound C ◽  
Hydrogen Bonding Interactions

The title compound, C25H22O5, was obtained from (R)-2,2′-bis(methoxymethoxy)-1,1′-binaphthalenyl by ortho-lithiation and quenching with N,N-dimethylformaldehyde. The molecular packing in the crystal structure is stabilized by weak C—H...O hydrogen-bonding interactions.

2-Anilino-4,6-dimethylpyrimidinium p-toluenesulfonate

2007 ◽  
Vol 63 (3) ◽  
pp. o1162-o1163 ◽  
Author(s):  
Jia-Cheng Li ◽  
Yu-Hong Feng ◽  
Qiang Lin ◽  
De-La Zhang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Title Compound ◽  
Compound C ◽  
Hydrogen Bonding Interactions

In the crystal structure of the title compound, C12H14N3 +·C7H7O3S−, cations and anions are linked by intermolecular N—H...O and C—H...O hydrogen-bonding interactions, forming channels running along the b axis.

2′,7′-Di-4-pyridylspiro[cyclopropane-1,9′-fluorene] hemihydrate

2006 ◽  
Vol 62 (7) ◽  
pp. o3013-o3014 ◽  
Author(s):  
Zi-Xing Wang ◽  
Hai-Yao Lin ◽  
Ping Lu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonding ◽  
Water Molecule ◽  
Title Compound ◽  
Dihedral Angles ◽  
Asymmetric Unit ◽  
Solvent Water Molecule ◽  
One Dimensional ◽  
Solvent Water ◽  
Compound C

The asymmetric unit of the crystal structure of the title compound, C25H18N2·0.5H2O, contains two independent dipyridylspiro(cyclopropanefluorene) (CPF) molecules and one solvent water molecule. The two CPF molecules show significantly different dihedral angles between the pyridine rings and fluorene plane. The water molecule links with the CPF molecules via O—H...N hydrogen bonding to form a one-dimensional supramolecular chain.

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-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].

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