3,3′-Dimethoxy-4,4′-(propane-1,3-diyldioxy)dibenzoic acid

2007 ◽  
Vol 63 (11) ◽  
pp. o4193-o4193
Author(s):  
Rui-Xue Deng ◽  
Pu Liu ◽  
Wei-Yi Zhou

In the title compound, C19H20O8, the two benzene rings are approximately perpendicular to each other [dihedral angle = 83.7 (3)°]. The methoxy and carboxyl groups do not deviate from the planes of the respective benzene rings. Intermolecular O—H...O hydrogen bonds stabilize the crystal structure.

2016 ◽  
Vol 72 (8) ◽  
pp. 1219-1222
Author(s):  
Md. Serajul Haque Faizi ◽  
Musheer Ahmad ◽  
Akram Ali ◽  
Vadim A. Potaskalov

The molecular shape of the title compound, C16H12O7, is bent around the central CH2—O bond. The two benzene rings are almost perpendicular to one another, making a dihedral angle of 87.78 (7)°. In the crystal, each molecule is linked to three others by three pairs of O—H...O hydrogen bonds, forming undulating sheets parallel to thebcplane and enclosingR22(8) ring motifs. The sheets are linked by C—H...O hydrogen bonds and C—H...π interactions, forming a three-dimensional network.


2006 ◽  
Vol 62 (4) ◽  
pp. o1279-o1280
Author(s):  
Shu-Ping Zhang ◽  
Zhao-Di Liu ◽  
Si-Chang Shao

In the title compound, C20H15ClN4, the two benzene rings form dihedral angles of 30.95 (9) and 70.69 (6)° with the triazole ring, and the dihedral angle between the triazole and the pyridine rings is 43.38 (8)°. Intermolecular C—H...N hydrogen bonds are observed in the crystal structure.


2014 ◽  
Vol 70 (9) ◽  
pp. o1011-o1012
Author(s):  
Manpreet Kaur ◽  
Jerry P. Jasinski ◽  
Channappa N. Kavitha ◽  
Hemmige S. Yathirajan ◽  
K. Byrappa

In the title compound, C22H19ClN2O3S, the dihedral angle between the mean planes of the thiophene ring and the chlorophenyl and hydroxyphenyl rings are 70.1 (1) and 40.2 (4)°, respectively. The benzene rings are twisted with respect to each other by 88.9 (3)°. The imine bond lies in anEconformation. Intramolecular O—H...N and N—H...O hydrogen bonds each generateS(6) ring motifs. In the crystal, weak C—H...O interactions link the molecules, forming chains along thecaxis and zigzag chains along thebaxis, generating sheets lying parallel to (100).


2007 ◽  
Vol 63 (11) ◽  
pp. o4441-o4441 ◽  
Author(s):  
T. Liu ◽  
J. Y. Zhu

In the molecule of the title compound, C15H12N2O4, the benzene rings are oriented at a dihedral angle of 8.01 (3)°. In the crystal structure, intermolecular N—H...O hydrogen bonds result in the formation of a supramolecular network structure.


2007 ◽  
Vol 63 (11) ◽  
pp. o4264-o4264 ◽  
Author(s):  
A Thiruvalluvar ◽  
S Ponnuswamy

In the title compound, C19H23N3O, the seven-membered diazepine ring adopts a boat conformation. The phenylcarbamoyl group is coplanar with the N atom and its two attached C atoms. The methyl group at position 2 has an equatorial orientation. The dihedral angle between the two benzene rings is 81.07 (9)°. The crystal structure is stabilized by intramolecular C—H...O and intermolecular N—H...O hydrogen bonds.


2014 ◽  
Vol 70 (9) ◽  
pp. o1073-o1074 ◽  
Author(s):  
Hong Dae Choi ◽  
Uk Lee

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].


2012 ◽  
Vol 68 (4) ◽  
pp. o1023-o1023
Author(s):  
Hoong-Kun Fun ◽  
Ching Kheng Quah ◽  
S. Samshuddin ◽  
B. Narayana ◽  
B. K. Sarojini

In the title compound, C18H17ClN2O2, the benzene rings form dihedral angles of 6.69 (6) and 74.88 (5)° with the 4,5-dihydro-1H-pyrazole ring. The benzene rings form a dihedral angle of 76.67 (5)° with each other. In the crystal, molecules are linkedviabifurcated (C,C)–H...O hydrogen bonds into chains along [010]. The crystal structure is further consolidated by C—H...π interactions.


2015 ◽  
Vol 71 (10) ◽  
pp. o727-o728
Author(s):  
Hyunjin Park ◽  
Jineun Kim ◽  
Gihaeng Kang ◽  
Tae Ho Kim

In the title compound, C23H22ClNO4(systematic name: (RS)-2-(4-chlorophenyl)-N-{2-[3-methoxy-4-(prop-2-yn-1-yloxy)phenyl]ethyl}-2-(prop-2-ynyloxy)acetamide), an amide fungicide, the dihedral angle between the chlorobenzene and benzene rings is 65.36 (6)°. In the crystal, N—H...O hydrogen bonds lead to zigzag supramolecular chains along thecaxis (glide symmetry). These are connected into layers by C—H...O and C—H...π interactions; the layers stack along theaaxis with no specific intermolecular interactions between them.


2013 ◽  
Vol 69 (2) ◽  
pp. o311-o311
Author(s):  
Ahmad Z. Ghafoor ◽  
Brian Chang ◽  
Christopher L. King ◽  
Ray J. Butcher ◽  
Amol A. Kulkarni

In the crystal structure of the title compound, C14H11BrClNO4S, the molecules form inversion dimers withR22(8) motifs through pairs of N—H...O hydrogen bonds. The benzene rings are not coplanar and subtend a dihedral angle of 66.27 (8)°. The carbomethoxy group makes a dihedral angle of 75.1 (1)° with the ring to which it is attached.


2015 ◽  
Vol 71 (5) ◽  
pp. o330-o331
Author(s):  
H. C. Devarajegowda ◽  
P. A. Suchetan ◽  
S. Sreenivasa ◽  
H. T. Srinivasa ◽  
B. S. Palakshamurthy

The complete molecule of the title compound, C17H16O6, is generated by crystallographic twofold symmetry, with the central methylene C atom lying on the rotation axis. The carbonyl O atom is disordered over two adjacent positions in a 0.63 (3):0.37 (3) ratio and the dihedral angle between the benzene rings in the two halves of the molecule is 79.31 (12)°. In the crystal, molecules are connected by C—H...O hydrogen bonds, generating (110) sheets. Very weak intrasheet C—H...π interactions are also observed.


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