scholarly journals 1-[6-Chloro-2-(phenanthren-9-yl)quinolin-4-yl]pyrrolidin-2-one

IUCrData ◽  
2016 ◽  
Vol 1 (4) ◽  
Author(s):  
Rajamani Raja ◽  
Subramani Kandhasamy ◽  
Uma Maheswari Narayanan ◽  
Paramasivam T. Perumal ◽  
Ramu Dhanapal
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Two Dimensional ◽  
Pyrrolidine Ring ◽  
Compound C ◽  
Dimensional Network ◽  
The Mean

In the title compound, C27H19ClN2O, the quinoline system is planar, with a maximum deviation from the mean plane of 0.003 Å for the N atom. This ring makes dihedral angles of 56.64 (5) and 49.26 (2)° with phenanthrene and pyrrolidine rings, respectively. The pyrrolidine ring adopts a twisted conformation. In the crystal, molecules are linkedviaC—H...O hydrogen bonds, forming a two-dimensional network lying parallel to (010).

scholarly journals Crystal structure of 2-nitro-N-(5-nitro-1,3-thiazol-2-yl)benzamide

2014 ◽  
Vol 70 (12) ◽  
pp. o1252-o1252 ◽  
Author(s):  
Rodolfo Moreno-Fuquen ◽  
Diego F. Sánchez ◽  
Javier Ellena
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Dihedral Angles ◽  
Two Dimensional ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings ◽  
The Mean ◽  
Amide Fragment

In the title compound, C10H6N4O5S, the mean plane of the non-H atoms of the central amide fragment C—N—C(=O)—C [r.m.s. deviation = 0.0294 Å] forms dihedral angles of 12.48 (7) and 46.66 (9)° with the planes of the thiazole and benzene rings, respectively. In the crystal, molecules are linked by N—H...O hydrogen bonds, forming chains along [001]. In addition, weak C—H...O hydrogen bonds link these chains, forming a two-dimensional network, containingR44(28) ring motifs parallel to (100).

scholarly journals N 1,N 4,3,6-Tetramethyl-1,2,4,5-tetrazine-1,4-dicarboxamide

2012 ◽  
Vol 68 (6) ◽  
pp. o1841-o1842
Author(s):  
Na-Bo Sun ◽  
Guo-Wu Rao ◽  
Qun Shen
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Boat Conformation ◽  
Two Dimensional ◽  
Asymmetric Unit ◽  
Compound C ◽  
Dimensional Network ◽  
The Mean ◽  
Independent Molecules

The asymmetric unit of the title compound, C8H14N6O2, contains two independent molecules. In one molecule, the amide-substituted N atoms of the tetrazine ring deviate from the plane [maximum deviation = 0.028 (1) Å] through the four other atoms in the ring by 0.350 (2) and 0.344 (2) Å, forming a boat conformation, and the mean planes of the two carboxamide groups form dihedral angles of 10.46 (13) and 20.41 (12)° with the four approximtely planar atoms in the tetrazine ring. In the other molecule, the amide-substituted N atoms of the tetrazine ring deviate from the plane [maximum deviation = 0.033 (1) Å] through the four other atoms in the ring by 0.324 (2) and 0.307 (2) Å, forming a boat conformation, and the mean planes of the two carboxamide groups form dihedral angles of 14.66 (11) and 17.08 (10)° with the four approximately planar atoms of the tetrazine ring. In the crystal, N—H...O hydrogen bonds connect molecules to form a two-dimensional network parallel to (1-1-1). Intramolecular N—H...N hydrogen bonds are observed.

scholarly journals 2-(4-Fluoro-2-nitrophenyl)-4-hydroxy-9-phenylsulfonyl-9H-carbazole-3-carbaldehyde

2014 ◽  
Vol 70 (3) ◽  
pp. o273-o274 ◽  
Author(s):  
S. Gopinath ◽  
K. Sethusankar ◽  
Velu Saravanan ◽  
Arasambattu K. Mohanakrishnan
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Two Dimensional ◽  
Compound C ◽  
Dimensional Network ◽  
Graph Set

In the title compound, C25H15FN2O6S, the carbazole ring system is essentially planar, with a maximum deviation of 0.1534 (16) Å for the C atom connected to the 4-fluoro-2-nitrophenyl ring. It is almost orthogonal to the phenylsulfonyl and nitrophenyl rings, making dihedral angles of 88.45 (8) and 79.26 (7)°, respectively. The molecular structure is stabilized by O—H...O and C—H...O hydrogen bonds, which generate threeS(6) ring motifs. In the crystal, molecules are linked by two C—H...O hydrogen bonds, which generateC(6) andC(9) chains running in the [100] and [010] directions, respectively, so forming a two-dimensional network lying parallel to (001). There are also supramolecularR43(28) graph-set ring motifs enclosed within these networks.

scholarly journals Pyrrolidinium-2-carboxylate–4-nitrophenol (1/2)

2013 ◽  
Vol 69 (11) ◽  
pp. o1723-o1723 ◽  
Author(s):  
Narayanan Swarna Sowmya ◽  
Yechuri Vidyalakshmi ◽  
Sadasivam Sampathkrishnan ◽  
Thothadri Srinivasan ◽  
Devadasan Velmurugan
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Dihedral Angles ◽  
Two Dimensional ◽  
Pyrrolidine Ring ◽  
Compound C ◽  
The Mean

In the title compound, C5H9NO2·2C6H5NO3, the pyrrolidine ring of the pyrrolidinium-2-carboxylate zwitterion adopts a twisted conformation on the –CH2—CH2– bond adjacent to the N atom. The mean plane of this pyrrolidine ring forms dihedral angles of 25.3 (3) and 32.1 (3)° with the two nitrophenol rings. An intramolecular N—H...O hydrogen bond occurs in the pyrrolidinium-2-carboxylate molecule. In the crystal, molecules are linkedviaO—H...O and N—H...O hydrogen bonds, enclosingR32(8) ring motifs, forming chains running parallel to theaaxis. These chains are further cross-linked by O—H...O and C—H...O hydrogen bonds, forming undulating two-dimensional networks lying parallel to (001).

scholarly journals 4-Hydroxy-3-methoxybenzaldehyde thiosemicarbazone

2013 ◽  
Vol 69 (12) ◽  
pp. o1861-o1861 ◽  
Author(s):  
Adriano Bof de Oliveira ◽  
Bárbara Regina Santos Feitosa ◽  
Christian Näther ◽  
Inke Jess
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Maximum Deviation ◽  
Two Dimensional ◽  
Compound C ◽  
Dimensional Network ◽  
The Mean

In the title compound, C9H11N3S, there is an intramolecular O—H...O hydrogen bond involving the OH group and the adjacent methoxy O atom. The molecule is essentially planar, with the maximum deviation from the mean plane of the non-H atoms being 0.1127 (14) Å for the methyl C atom. In the crystal, molecules are connectedviacentrosymmetric pairs of N—H...S and O—H...O hydrogen bonds into a two-dimensional network parallel to (10-3).

scholarly journals 2,4-Dichloro-N-(2,5-dioxopyrrolidin-1-yl)benzamide

IUCrData ◽  
2018 ◽  
Vol 3 (12) ◽  
Author(s):  
Jigmat Stondus ◽  
Sumati Anthal ◽  
S. Karanth ◽  
B. Narayana ◽  
B. K. Sarojini ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Least Squares ◽  
Benzene Ring ◽  
Title Compound ◽  
Dihedral Angles ◽  
Two Dimensional ◽  
Pyrrolidine Ring ◽  
Compound C ◽  
Dimensional Network ◽  
Amide Fragment

In the title compound, C11H8Cl2N2O3, the plane of the pyrrolidine ring (r.m.s. deviation = 0.065 Å) makes a dihedral angle of 52.9 (2)° with the plane of the benzene ring. The least-squares plane of the central amide fragment makes dihedral angles of 49.3 (7) and 77.9 (7)° with those of the benzene and pyrrolidine rings, respectively. In the crystal, molecules are linked via N—H...O hydrogen bonds, forming chains along the b-axis direction. π–π interactions link these chains into a two-dimensional network parallel to (100).

scholarly journals N-(3-Chloro-1H-indazol-5-yl)-4-methoxybenzenesulfonamide

2013 ◽  
Vol 69 (11) ◽  
pp. o1632-o1632
Author(s):  
Hakima Chicha ◽  
El Mostapha Rakib ◽  
Latifa Bouissane ◽  
Mohamed Saadi ◽  
Lahcen El Ammari
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Two Dimensional ◽  
Common Edge ◽  
Compound C ◽  
Dimensional Network ◽  
The Common ◽  
The Mean

In the title compound, C14H12ClN3O3S, the fused five- and six-membered rings are folded slightly along the common edge, forming a dihedral angle of 3.2 (1)°. The mean plane through the indazole system makes a dihedral angle of 30.75 (7)° with the distant benzene ring. In the crystal, N—H...O hydrogen bonds link the molecules, forming a two-dimensional network parallel to (001).

scholarly journals 1,4-Dihydroxy-2,3-dinitro-9,10-anthraquinone

IUCrData ◽  
2016 ◽  
Vol 1 (6) ◽  
Author(s):  
Wataru Furukawa ◽  
Munenori Takehara ◽  
Yoshinori Inoue ◽  
Chitoshi Kitamura
Keyword(s):  
Hydrogen Bonds ◽  
Network Structure ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Compound C ◽  
Dimensional Network

In the title compound, C14H6N2O8, the anthraquinone unit is essentially planar [maximum deviation = 0.0645 (10) Å], and there are two intramolecular O–H...O hydrogen bonds formingS(6) motifs. The planes of the two nitro substituents make dihedral angles of 54.77 (8) and 55.60 (3)° with the anthraquinone ring system. In the crystal, molecules are linked by short intermolecular O...O contacts, leading to a three-dimensional network structure.

scholarly journals Crystal structure of 5-(1-benzofuran-2-yl)-3-(4-methylphenyl)-4,5-dihydro-1,2-oxazol-5-ol

2015 ◽  
Vol 71 (7) ◽  
pp. o492-o493
Author(s):  
A. J. Ravi ◽  
A. C. Vinayaka ◽  
S. Jeyaseelan ◽  
M. P. Sadashiva ◽  
H. C. Devarajegowda
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
The Other ◽  
Dihedral Angles ◽  
Compound C ◽  
Dimensional Network ◽  
The Mean

In the title compound, C18H15NO3, the isoxazole moiety adopts a shallow envelope conformation, with the C atom bearing the OH group displaced by 0.148 (1) Å from the mean plane through the other four atoms. The mean plane of this ring (all atoms) subtends dihedral angles of 87.19 (6) and 15.51 (7)° with the benzofuran ring system (r.m.s. deviation = 0.007 Å) and the 4-methylphenyl ring, respectively. In the crystal, molecules are linked by O—H...N hydrogen bonds, generating [001]C(5) chains, with adjacent molecules in the chain related byc-glide symmetry. Weak C—H...O interactions link the chains into a three-dimensional network.

scholarly journals Crystal structure of oryzalin

2015 ◽  
Vol 71 (6) ◽  
pp. o429-o429 ◽  
Author(s):  
Gihaeng Kang ◽  
Jineun Kim ◽  
Youngeun Jeon ◽  
Tae Ho Kim
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Title Compound ◽  
Three Dimensional ◽  
Dihedral Angles ◽  
Ring Plane ◽  
Compound C ◽  
Dimensional Network ◽  
The Mean

The title compound, C12H18N4O6S (systematic name: 4-dipropylamino-3,5-dinitrobenzenesulfonamide), is a sulfonamide with herbicidal properties marketed as oryzalin. The dihedral angles between the benzene ring and the mean planes of the nitro groups are 26.15 (11) and 54.80 (9)°. The propyl arms of the dipropylamino substituent lie on opposite sides of this ring plane. In the crystal, N—H...O and C—H...O hydrogen bonds generate a three-dimensional network.

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