scholarly journals 2-[(1-Benzyl-1H-1,2,3-triazol-4-yl)methoxy]-1-naphthaldehyde

IUCrData ◽  
2019 ◽  
Vol 4 (11) ◽  
Author(s):  
R. Vishnupriya ◽  
M. Venkateshan ◽  
J. Suresh ◽  
G. Jaabil ◽  
A. Ponnuswamy ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Phenyl Ring ◽  
Triazole Ring ◽  
Ring System ◽  
Dihedral Angles ◽  
Naphthalene Ring ◽  
Axis Direction ◽  
Compound C

In the title compound, C21H17N3O2, the triazole ring system is inclined at dihedral angles of 4.14 (18) and 69.24 (11)° with the naphthalene ring system and phenyl ring, respectively. In the crystal, molecules are linked by C—H...O hydrogen bonds into double columns propagating along the b-axis direction.

scholarly journals Crystal structure of 2-{[(naphthalen-1-yl)oxy]methyl}-5-(2,4,5-trifluorophenyl)-1,3,4-oxadiazole

2015 ◽  
Vol 71 (3) ◽  
pp. o190-o191
Author(s):  
Muniyappan Govindhan ◽  
Kathavarayan Subramanian ◽  
Vijayan Viswanathan ◽  
Devadasan Velmurugan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Dihedral Angles ◽  
Naphthalene Ring ◽  
Axis Direction ◽  
Compound C

In the title compound C19H11F3N2O2, the oxadiazole ring and the naphthalene ring system are approximately planar (r.m.s. deviations of 0.001 and 0.020 Å, respectively) and the oxadiazole ring makes dihedral angles of 13.11 (1) and 7.59 (1)° with the naphthalene ring system and the trifluorophenyl ring, respectively. In the crystal, C—H...N hydrogen bonds link molecules into chains along thea-axis direction, while C—H...F contacts form additional chains along theacdiagonal. These contacts generate sheets of molecules approximately parallel to the (011) plane.

scholarly journals Crystal structure of 2-{[1-(4-bromobenzyl)-1H-1,2,3-triazol-4-yl]methoxy}naphthalene-1,4-dione

2015 ◽  
Vol 71 (4) ◽  
pp. o231-o232 ◽  
Author(s):  
Rajamani Raja ◽  
Subramani Kandhasamy ◽  
Paramasivam T. Perumal ◽  
A. SubbiahPandi
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Triazole Ring ◽  
Ring System ◽  
Dihedral Angles ◽  
Stacking Interactions ◽  
Naphthalene Ring ◽  
Compound C ◽  
Centroid Distance

In the title compound, C20H14BrN3O3, the benzene ring makes dihedral angles of 71.30 (11) and 68.95 (14)° with the naphthalene ring system and the triazole ring, respectively. The latter two ring systems are coplanar, with a dihedral angle of 2.92 (12)°. The O atoms deviate from the naphthalene ring system by 0.029 (2) and −0.051 (2) Å. In the crystal, molecules are linked by C—H...O and C—H...N hydrogen bonds, forming ribbons parallel to (10-1). The ribbons are linkedviaC—H...O and π–π stacking interactions [centroid–centroid distance = 3.4451 (14) Å], forming slabs parallel to thebcplane.

scholarly journals 3-Benzyl-7-(2,4-dichlorophenyl)-4H-1,3,4-thiadiazolo[2,3-c][1,2,4]triazin-4-one

2012 ◽  
Vol 68 (6) ◽  
pp. o1736-o1737
Author(s):  
Hoong-Kun Fun ◽  
Suhana Arshad ◽  
B. K. Sarojini ◽  
U. A. Imran ◽  
B.G. Krishna
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Triazine Ring ◽  
Compound C ◽  
Graph Set

In the title compound, C17H10Cl2N4OS, the phenyl ring and the H atoms attached to the adjacent C atom are disordered over two positions, with refined site occupancies of 0.509 (8) and 0.491 (8). The planar 4H-1,3,4-thiadiazolo[2,3-c][1,2,4]triazine ring system [maximum deviation = 0.048 (3) Å] forms dihedral angles of 76.9 (5), 74.9 (5) and 9.88 (12)°, respectively, with the major and minor parts of the disordered phenyl ring and with the dichloro-substituted benzene ring. In the crystal, pairs of C—H...O hydrogen bonds link the molecules, forming inversion dimers with an R 2 2(18) graph-set motif. A short S...N contact of 2.801 (3) Å is observed between the dimers.

scholarly journals rac-Methyl (1R,3′S)-1′,1′′-dimethyl-2,2′′-dioxo-2H-dispiro[acenaphthylene-1,2′-pyrrolidine-3′,3′′-indoline]-4′-carboxylate

2013 ◽  
Vol 69 (2) ◽  
pp. o235-o235 ◽  
Author(s):  
G. Ganesh ◽  
Panneer Selvam Yuvaraj ◽  
Chinthalapuri Divakara ◽  
Boreddy S. R. Reddy ◽  
A. SubbiahPandi
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
The Other ◽  
Dihedral Angles ◽  
Indole Ring ◽  
Naphthalene Ring ◽  
Pyrrolidine Ring ◽  
Compound C

In the title compound, C26H22N2O4, the pyrrolidine ring adopts a twisted conformation and the other five-membered rings adopt envelope conformations with the spiro C atoms as the flap atoms. The naphthalene ring system of the dihydroacenaphthylene group forms dihedral angles of 89.2 (9) and 75.5 (6)° with the pyrrolidine and indole rings, respectively. The pyrrolidine ring makes a dihedral angle of 80.1 (9)° with the indole ring. In the crystal, molecules are linked by weak C—H...O hydrogen bonds, forming chains along theb-axis direction.

scholarly journals 3-Methoxy-2-[5-(naphthalen-2-yl)-4,5-dihydro-1H-pyrazol-3-yl]phenol

2014 ◽  
Vol 70 (4) ◽  
pp. o464-o464 ◽  
Author(s):  
Dongsoo Koh ◽  
Yoongho Lim ◽  
Alan J. Lough
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Dihedral Angles ◽  
Asymmetric Unit ◽  
Naphthalene Ring ◽  
Compound C ◽  
Graph Set ◽  
Independent Molecules

The asymmetric unit of the title compound, C20H18N2O2, contains two independent molecules in which the dihedral angles between the naphthalene ring system [r.m.s. deviations = 0.012 (1) and 0.015 (1) Å] and the benzene ring are 71.65 (6) and 74.51 (6)°. In the crystal, pairs of N—H...O hydrogen bonds form two independent inversion dimers with graph-set notationR22(14). In addition, each molecule contains an intramolecular O—H...N hydrogen bond with anS(6) motif.

scholarly journals Crystal structure of (4Z)-4-[(2E)-1-hydroxy-3-(naphthalen-2-yl)prop-2-en-1-ylidene]-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

2015 ◽  
Vol 71 (6) ◽  
pp. o381-o381
Author(s):  
Muhammad Salim ◽  
Munawar Ali Munawar ◽  
Muhammad Nawaz Tahir ◽  
Muhammad Shahid ◽  
Khizar Iqbal Malik
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Title Compound ◽  
Pyrazole Ring ◽  
Ring System ◽  
Dihedral Angles ◽  
Stacking Interactions ◽  
Naphthalene Ring ◽  
Compound C

In the title compound, C23H18N2O2, the pyrazole ring subtends dihedral angles of 2.01 (13) and 1.55 (10)° with the pendant benzene ring and the naphthalene ring system, respectively. The molecule is almost planar (r.m.s. deviation for the 27 non-H atoms = 0.025 Å) and intramolecular O—H...O and C—H...O hydrogen bonds both closeS(6) loops. In the crystal, very weak aromatic π–π stacking interactions between the benzene and the pyrazole rings, with centroid–centroid distances of 3.8913 (14) and 3.9285 (15) Å, are observed.

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

2013 ◽  
Vol 69 (12) ◽  
pp. o1802-o1803 ◽  
Author(s):  
M. Umadevi ◽  
V. Saravanan ◽  
R. Yamuna ◽  
A. K. Mohanakrishnan ◽  
G. Chakkaravarthi
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Indole Ring ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C

In the title compound, C18H16BrNO3S, the dihedral angle between the phenyl ring and the indole ring system is 89.91 (11)°. The molecular structure features weak C—H...O and C—H...Br hydrogen bonds. In the crystal, molecules are linked by weak C—H...O hydrogen bonds, forming chains along thea-axis direction. The chains are further linked by C—H...π interactions, forming a layer parallel to theabplane.

scholarly journals 6-Methoxy-2-(2-methoxynaphthalen-1-yl)-4H-chromen-4-one

IUCrData ◽  
2018 ◽  
Vol 3 (9) ◽  
Author(s):  
Jiha Sung
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Naphthalene Ring ◽  
Axis Direction ◽  
Compound C

In the title compound, C21H16O4, the methoxy-substituted naphthalene ring system (r.m.s. deviation = 0.007 Å) is almost orthogonal to the 4H-chromenone skeleton (r.m.s. deviation = 0.012 Å) with a dihedral angle of 83.16 (4)° between them. In the crystal, inversion dimers are linked by pairs of C—H...O hydrogen bonds that generate R 2 2(18) loops and additional C—H...O interactions connect the dimers into double chains of molecules along the b-axis direction.

scholarly journals Crystal structure of 2,9-diphenyl-17λ6-thiatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),2,4,6,8,11(16),12,14-octaene-17,17-dione

2014 ◽  
Vol 70 (9) ◽  
pp. o1013-o1014
Author(s):  
S. Gopinath ◽  
P. Narayanan ◽  
K. Sethusankar ◽  
Meganathan Nandakumar ◽  
Arasambattu K. Mohanakrishnan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
Dimensional Structure ◽  
Dihedral Angles ◽  
Naphthalene Ring ◽  
Compound C ◽  
Phenyl Rings

The title compound, C28H18O2S, is composed of a naphthalene ring system fused with a benzothiophene ring and attached to two phenyl rings. The phenyl rings make dihedral angles of 70.92 (8) and 79.23 (8)° with the essentially planar naphthalene ring system (r.m.s. deviation = 0.031 Å). There is an intramolecular C—H...π interaction present. In the crystal, molecules are linked by C—H...O hydrogen bonds which generateC(7) zigzag chains running parallel to [10-1]. The chains are linkedviafurther C—H...π interactions, forming a three-dimensional structure.

scholarly journals 2-(Naphthalene-2-sulfonamido)-3-phenylpropanoic acid

2013 ◽  
Vol 69 (2) ◽  
pp. o194-o194 ◽  
Author(s):  
Hafiz Mubashar-ur-Rehman ◽  
Muhammad Nadeem Arshad ◽  
Abdullah M. Asiri ◽  
Islam Ullah Khan ◽  
Muhammad Bilal
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Naphthalene Ring ◽  
Compound C ◽  
Π Stacking

In the title compound, C19H17NO4S, the phenyl ring and the naphthalene ring system are oriented at a dihedral angle of 4.12 (2)° and the molecule adopts a U-shaped conformation. The Cc—C—N—S (c = carboxy) torsion angle is 90.98 (15)°. In the crystal, molecules are linked by O—H...O and N—H...O hydrogen bonds, resulting in (100) chains incorporating centrosymmetricR22(14) andR22(10) loops. Weak aromatic π–π stacking is also observed [centroid–centroid separations = 3.963 (2) and 3.932 (2) Å].

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