Ethyl (E)-2-(4-chlorobenzylidene)hydrazinecarboxylate

2007 ◽  
Vol 63 (11) ◽  
pp. o4418-o4418
Author(s):  
Bo Gao
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Dimensional Chain ◽  
Asymmetric Unit ◽  
One Dimensional ◽  
Compound C ◽  
Planar Molecule

The title compound, C10H11ClN2O2, crystallizes with two independent, but essentially identical molecules in the asymmetric unit. Each planar molecule is in the E configuration about the C=N bond. Intermolecular N—H...O hydrogen bonds link molecules into a one-dimensional chain aligned along the [101] direction.

9-(Methoxymethyl)anthracene

2007 ◽  
Vol 63 (11) ◽  
pp. o4442-o4442 ◽  
Author(s):  
Jie Liu ◽  
Guo-Hua Wei ◽  
Guang-Ju Ping ◽  
Jian-Fang Ma
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Mirror Plane ◽  
Asymmetric Unit ◽  
One Dimensional ◽  
Compound C ◽  
Independent Molecules

The title compound, C16H14O, crystallizes with two independent molecules in the asymmetric unit, one of which lies on a crystallographic mirror plane. Intermolecular C—H...O hydrogen bonds link the molecules into infinite one-dimensional chains.

scholarly journals 4,5-Diphenyl-2-p-tolyl-1H-imidazol-3-ium nitrate

2009 ◽  
Vol 65 (6) ◽  
pp. o1361-o1361
Author(s):  
Li-Jing Cui
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Dihedral Angles ◽  
Dimensional Chain ◽  
Aromatic Rings ◽  
One Dimensional ◽  
Compound C

In the cation of the title compound, C22H19N2+·NO3−, the N atom in the 3-position of the imidazole is protonated. The three pendant aromatic rings are twisted from the plane of the imadazolium ring by dihedral angles of 38.1 (1), 43.74 (9) and 20.4 (1)°. In the crystal structure, N—H...O and N—H...(O,O) hydrogen bonds link the molecules to form an infinite one-dimensional chain parallel to thecaxis.

scholarly journals 2,2′-(p-Phenylenedithio)diacetic acid

2009 ◽  
Vol 65 (6) ◽  
pp. o1206-o1206 ◽  
Author(s):  
Jian-Ling Yin ◽  
Yun-Long Feng
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Dimensional Chain ◽  
Diacetic Acid ◽  
One Dimensional ◽  
Compound C

The complete molecule of the title compound, C10H10O4S2, is generated by a crystallographic inversion centre. In the crystal, molecules are linked into a one-dimensional chain by intermolecular O—H...O hydrogen bonds.

Methyl 4-O-pivaloyl-β-D-xylopyranoside

2006 ◽  
Vol 62 (7) ◽  
pp. o2746-o2748
Author(s):  
Vesna Petrović ◽  
Ivan Halasz ◽  
Srđanka Tomić ◽  
Dubravka Matković Čalogović
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Chair Conformation ◽  
Membered Ring ◽  
Hydroxyl Groups ◽  
Equatorial Position ◽  
Dimensional Chain ◽  
One Dimensional ◽  
Compound C

The six-membered ring of the title compound, C11H20O6, adopts the chair conformation, with the 4-O-pivaloyl group in an equatorial position. Two vicinal hydroxyl groups of each molecule form four hydrogen bonds of the O—H...O type in a one-dimensional chain running along the b axis.

scholarly journals 7-Iodo-1H-indole-2,3-dione

IUCrData ◽  
2016 ◽  
Vol 1 (3) ◽  
Author(s):  
James A. Golen ◽  
David R. Manke
Keyword(s):  
Solid State ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Mean Deviation ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Planar Molecule ◽  
Close Contacts

The title compound, C8H4INO2, has a single planar molecule in the asymmetric unit, with the non-H atoms possessing a mean deviation from planarity of 0.058 Å. The molecules dimerize in the solid state through N—H...O hydrogen bonds. There are intermolecular I...O close contacts of 3.193 (4) Å that link the molecules into infinite chains along [20-1]. No π–π interactions were observed in the structure.

scholarly journals 4,7-Dichloro-1H-indole-2,3-dione

IUCrData ◽  
2016 ◽  
Vol 1 (9) ◽  
Author(s):  
James A. Golen ◽  
David R. Manke
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Interplanar Distance ◽  
Mean Deviation ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Planar Molecule ◽  
Centroid Distance

The title compound, C8H3Cl2NO2, has a single near-planar molecule in the asymmetric unit, with the non-H atoms having a mean deviation from planarity of 0.042 Å. In the crystal, the molecules dimerize through two N—H...O hydrogen bonds. The molecules are further linked through slipped π–π interactions that propagate along theaaxis [inter-centroid distance = 3.8639 (10) Å, interplanar distance = 3.3478 (10) Å and slippage = 1.9292 (15) Å].

scholarly journals 6-Bromo-1H-indole-2,3-dione hemihydrate

IUCrData ◽  
2016 ◽  
Vol 1 (1) ◽  
Author(s):  
John R. Turbitt ◽  
James A. Golen ◽  
David R. Manke
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Mean Deviation ◽  
Two Dimensional ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Planar Molecule

The title compound, C8H4BrNO2·0.5H2O, has a single planar molecule in the asymmetric unit with the non-H atoms having a mean deviation from planarity of 0.028 Å. There is also a half of a water molecule (twofold symmetry) present in the asymmetric unit, which hydrogen bonds with the isatin molecules through O—H...O and N—H...O hydrogen bonds to form a two-dimensional framework in theabplane. There are close Br...O contacts of 2.999 (2) Å to link the layers. The nine-membered rings of the isatin molecules stack along theaaxis with parallel slipped π–π interactions [inter-centroid distances = 3.6989 (19) and 4.1227 (19) Å].

scholarly journals 5-Bromo-1H-indole-2,3-dione

IUCrData ◽  
2016 ◽  
Vol 1 (2) ◽  
Author(s):  
Sita Gurung ◽  
James A. Golen ◽  
David R. Manke
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Mean Deviation ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Planar Molecule

The title compound, C8H4BrNO2, has a single, almost planar, planar molecule in the asymmetric unit, with the non-H atoms having a mean deviation from planarity of 0.024 Å. In the crystal, N—H...O hydrogen bonds link the molecules into [001]C(4) chains. C—H...O interactions form [0-11] chains. These interactions combine to generate sheets along (100). No π–π interactions are observed in the structure.

1,3-Bis(2-pyridylaminomethyl)benzene

2007 ◽  
Vol 63 (11) ◽  
pp. o4399-o4399 ◽  
Author(s):  
Li-Na Zhu ◽  
Shan Gao ◽  
Li-Hua Huo
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Rotation Axis ◽  
Pyridyl Ring ◽  
Dimensional Chain ◽  
Rotation Symmetry ◽  
One Dimensional ◽  
Compound C

The complete molecule of the title compound, C18H18N4, is generated by crystallographic twofold rotation symmetry, with two C atoms lying on the rotation axis. The pair of pyridyl rings form a dihedral angle of 78.4 (2)° and the dihedral angle between the pyridyl ring and the central benzene ring is 110.4 (2)°. The molecules are linked into a one-dimensional chain by N—H...N hydrogen bonds.

(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.

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