N′-(2-Hydroxybenzoyl)-2-oxo-2H-chromene-3-carbohydrazide

2006 ◽  
Vol 62 (5) ◽  
pp. o2097-o2098 ◽  
Author(s):  
Yan Zhan ◽  
Shu-Kun Lin
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Compound C ◽  
A Chain

The coumarin system and the 2-hydroxybenzoyl group in the title compound, C17H12N2O5, are approximately coplanar. There are some intermolecular O—H...O hydrogen bonds and intramolecular N—H...O hydrogen bonds; the intermolecular O—H...O hydrogen bonds result in a chain along the a axis.

scholarly journals Crystal structure of tetraethyl 27,30-dioxo-7,12,20,25-tetra-tert-butyl-3,16-dioxa-9,22,28,31-tetrathiaheptacyclo[21.3.1.11,5.14,8.110,14.114,18.117,21]dotriaconta-4,6,8(29),10,12,17,19,21(32),23,25-decaene-2,2,15,15-tetracarboxylate

2015 ◽  
Vol 71 (10) ◽  
pp. o778-o779
Author(s):  
Mehmet Akkurt ◽  
Jerry P. Jasinski ◽  
Shaaban K. Mohamed ◽  
Omran A. Omran ◽  
Mustafa R. Albayati
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Membered Ring ◽  
Asymmetric Unit ◽  
Axis Direction ◽  
Tert Butyl ◽  
Envelope Conformation ◽  
Compound C ◽  
A Chain

The asymmetric unit of the title compound, C54H64O12S4, consists of one half of the molecule, which is located on an inversion centre. The heterocyclic six-membered ring adopts a distorted envelope conformation with the spiro C atom as the flap. In the crystal, molecules are linked by weak C—H...O hydrogen bonds with anR22(14) motif, forming a chain along theb-axis direction.

scholarly journals 2-Bromo-1-(1-phenylsulfonyl-1H-indol-3-yl)propan-1-one

2014 ◽  
Vol 70 (3) ◽  
pp. o295-o296
Author(s):  
C. Ramathilagam ◽  
P. R. Umarani ◽  
V. Saravanan ◽  
A. K. Mohanakrishnan ◽  
B. Gunasekaran ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Indole Ring ◽  
Methyl Group ◽  
Π Interactions ◽  
Compound C ◽  
A Chain

In the title compound, C17H14BrNO3S, the phenyl ring makes a dihedral angle of 89.78 (16)° with the plane of the indole ring system. The terminal Br atom and the methyl group are disordered over two sets of sites, with site occupancies of 0.860 (2) and 0.140 (2). In the crystal, molecules are linked into a chain along theb-axis direction by weak C—H...O hydrogen bonds. The chains are further linked by C—H...π interactions, forming layers parallel to thebcplane.

1-[3-(Trifluoromethyl)phenyl]-3-pivaloylthiourea

2007 ◽  
Vol 63 (3) ◽  
pp. o1478-o1479 ◽  
Author(s):  
Noreen Shoukat ◽  
M. Khawar Rauf ◽  
Masahiro Ebihara ◽  
Amin Badshah
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Compound C ◽  
A Chain

The title compound, C13H15F3N2OS, shows an intramolecular N—H...O hydrogen bond and forms intermolecular N—H...S hydrogen bonds, generating a chain.

N-(2-Bromophenyl)-2-phenylpropanamide

2006 ◽  
Vol 62 (7) ◽  
pp. o2651-o2652 ◽  
Author(s):  
Jian-Ying Huang ◽  
Wei Xu
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Compound C ◽  
A Chain

In the title compound, C15H14BrNO, N—H...O hydrogen bonds result in the formation of a chain parallel to the c axis.

5-Bromo-2-(hydroxymethyl)pyridine

2006 ◽  
Vol 62 (5) ◽  
pp. o2102-o2103 ◽  
Author(s):  
Ya-Ming Wu ◽  
Chang-Chuan Dong ◽  
Shan Liu ◽  
Hong-Jun Zhu ◽  
Yi-Zu Wu
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Compound C ◽  
A Chain

The molecule of the title compound, C6H6BrNO, is essentially planar. Intermolecular O—H...Br hydrogen bonds link the molecules into a chain along [101].

scholarly journals Crystal structure of 2,5-dimethyl-3-(3-methylphenylsulfonyl)-1-benzofuran

2014 ◽  
Vol 70 (9) ◽  
pp. o1073-o1074 ◽  
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Methyl Groups ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
A Chain

In the title compound, C17H16O3S, the dihedral angle between the plane of the benzofuran ring system [r.m.s. deviation = 0.010 (1) Å] and that of the 3-methylphenyl ring is 79.09 (5)°. Intramolecular C—H...O hydrogen bonds are observed. In the crystal, molecules are connected into a chain along thec-axis direction by two different pairs of inversion-generated interactions: C—H...π hydrogen bonds between the methyl groups and the benzene rings of the 3-methylphenyl fragments and π–π interactions between the benzene and furan rings of neighbouring molecules [centroid–centroid distance = 3.673 (2) Å].

scholarly journals (E)-N′-Hydroxy-1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboximidamide

2012 ◽  
Vol 68 (6) ◽  
pp. o1661-o1662 ◽  
Author(s):  
Chandra ◽  
N. Srikantamurthy ◽  
K. B. Umesha ◽  
S. Jeyaseelan ◽  
M. Mahendra
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Pyrazole Ring ◽  
Dihedral Angles ◽  
Compound C ◽  
Benzene Rings ◽  
Phenyl Rings ◽  
A Chain ◽  
Centrosymmetric Dimers

In the molecule of the title compound, C16H16N4O, the pyrazole ring makes dihedral angles of 8.52 (13) and 9.26 (12)° with the phenyl rings. The dihedral angle between the benzene rings is 1.86 (13)°. In the crystal, molecules are linked into centrosymmetric dimers via pairs of O—H...N hydrogen bonds. Weak N—H...N interactions connect the dimers into a chain along the [100] direction. The pyrazole ring adopts a highly flattened envelope conformation.

3-(Trifluoromethyl)anilinium 2-carboxy-4,5-dichlorobenzoate

2007 ◽  
Vol 63 (11) ◽  
pp. o4374-o4375 ◽  
Author(s):  
Mustafa Odabaşoğlu ◽  
Orhan Büyükgüngör
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
The Other ◽  
Aromatic Rings ◽  
Compound C ◽  
A Chain

The crystal structure of the title compound, C7H7F3N+·C8H3Cl2O4 −, is stabilized by five N—H...O, one O—H...O, two C—H...O and three C—H...X (X = F, Cl) hydrogen bonds. Intramolecular O—H...O and C—H...X hydrogen bonds generate edge-fused [S(7)R 4 4(24)S(7)R 2 2(10)S(7)R 4 4(24)S(7)] motifs. The cations and anions are linked to each other by C—H...O hydrogen bonds, forming a chain along the c axis. This chain and the other hydrogen bonds form [R 3 2(6)R 1 2(4)S(7)R 1 2(4)R 4 4(18)R 5 5(24)R 4 4(18)R 1 2(4)R 1 2(4)S(7)R 1 2(4)R 3 2(6)] motifs. The dihedral angle between the planes of the aromatic rings in the cation and anion is 34.86 (1)°.

scholarly journals 3-(Prop-2-en-1-yl)-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-4-one

2012 ◽  
Vol 68 (6) ◽  
pp. o1810-o1810
Author(s):  
Rashad Al-Salahi ◽  
Mohamed Al-Omar ◽  
Mohamed Marzouk ◽  
Seik Weng Ng
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Compound C ◽  
Fused Ring ◽  
A Chain ◽  
Fused Ring System

The tetrahydroquinazoline fused-ring system of the title compound, C11H10N2OS, is approximately planar (r.m.s. deviation = 0.019 Å). In the crystal, adjacent molecules are linked by N—H...O hydrogen bonds, forming a chain running along the b axis.

scholarly journals 4-Cyanopyridinium bromide

2012 ◽  
Vol 68 (6) ◽  
pp. o1825-o1825
Author(s):  
Wen-Ni Zheng
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Compound C ◽  
A Chain

In the title compound, C6H5N2 +·Br−, the pyridine N atom is protonated and involved in an intermolecular N—H...Br hydrogen bond which, together with weak C—H...N hydrogen bonds, results in the formation of a chain along the c axis. Weak intermolecular C—H...Br interactions between pyridine H atoms and Br− anions connect these chains into a network parallel to the bc plane.

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