N -(2-Nitrophenylcarbamothioyl)acetamide (original) (raw)
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Crystal structure of N -[(2-hydroxynaphthalen-1-yl)(4-methylphenyl)methyl]acetamide
Acta Crystallographica Section E Crystallographic Communications, 2015
In the title molecule, C20H19NO2, the naphthalene ring system subtends a dihedral angle of 82.50 (7)° with the benzene ring and an intramolecular N—H...O hydrogen bond closes anS(6) ring. In the crystal, molecules are linked by O—H...O hydrogen bonds, which generateC(8) chains propagating in the [010] direction. The crystal structure also features weak π–π interactions [centroid–centroid separation = 3.7246 (10) Å].
Zeitschrift für Naturforschung A, 2006
TMPA The effect of substitutions in the ring and in the side chain on the crystal structure of N- (2,4,6-trimethylphenyl)-methyl/chloro-acetamides of the configuration 2,4,6-(CH3)3C6H2NH-COCH3− yXy (X = CH3 or Cl and y = 0,1, 2) has been studied by determining the crystal structures of N-(2,4,6-trimethylphenyl)-acetamide, 2,4,6-(CH3)3C6H2NH-CO-CH3 (); N-(2,4,6- trimethylphenyl)-2-methylacetamide, 2,4,6-(CH3)3C6H2NH-CO-CH2-CH3 (TMPMA); N-(2,4,6- trimethylphenyl)-2,2-dimethylacetamide, 2,4,6-(CH3)3C6H2NH-CO-CH(CH3)2 (TMPDMA) and N-(2,4,6-trimethylphenyl)-2,2-dichloroacetamide, 2,4,6-(CH3)3C6H2NH-CO-CHCl2 (TMPDCA). The crystallographic system, space group, formula units and lattice constants in Å are: TMPA: monoclinic, Pn, Z = 2, a = 8.142(3), b = 8.469(3), c = 8.223(3), β = 113.61(2)◦; TMPMA: monoclinic, P21/n, Z = 8, a = 9.103(1), b = 15.812(2), c = 16.4787(19), α = 89.974(10)◦, β = 96.951(10)◦, γ =89.967(10)◦; TMPDMA: monoclinic, P21/c, Z = 4, a =4.757(1), b= 24.644(4), c =10.785(2)...
Acta Crystallographica Section E Crystallographic Communications
The title compound, C20H19NO2, is of interest as a precursor to biologically active substituted quinolines and related compounds. This compound crystallizes with two independent molecules (A and B) in the asymmetric unit. The dihedral angles between mean planes of the methylphenyl ring and the naphthalene ring system are 78.32 (6) and 84.70 (6)° in molecules A and B, respectively. In the crystal, the antiferroelectric packing of molecules A and B is of an ABBAABB type along the b-axis direction. The crystal structure features N—H...O, O—H...O and weak C—H...O hydrogen bonds, which link the molecules into infinite chains propagating along the b-axis direction.
Acta Crystallographica Section E Structure Reports Online
In the title compound, C22H19ClN2O3S, the dihedral angle between the mean planes of the thio-phene ring and the chloro-phenyl and hy-droxy-phenyl 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 an E conformation. Intra-molecular O-H⋯N and N-H⋯O hydrogen bonds each generate S(6) ring motifs. In the crystal, weak C-H⋯O inter-actions link the mol-ecules, forming chains along the c axis and zigzag chains along the b axis, generating sheets lying parallel to (100).
Hirshfeld surface analysis and crystal structure of N-(2-methoxyphenyl)acetamide
The title compound, C 9 H 11 NO 2 , was obtained as unexpected product from the reaction of (4-{2-benzyloxy-5-[(E)-(3-chloro-4-methylphenyl)diazenyl]benzyl-idene}-2-phenyloxazol-5(4H)-one) with 2-methoxyaniline in the presence of acetic acid as solvent. The amide group is not coplanar with the benzene ring, as shown by the C-N-CO and C-N-CC torsion angles of À2.5 (3) and 176.54 (19) , respectively. Hirshfeld surface analysis and two-dimensional fingerprint plots indicate that the most important contributions to the crystal packing are from HÁ Á ÁH (53.9%), CÁ Á ÁH/HÁ Á ÁC (21.4%), OÁ Á ÁH/HÁ Á ÁO (21.4%) and NÁ Á ÁH/HÁ Á ÁN (1.7%) interactions. research communications Acta Cryst. (2019). E75, 830-833 Yaman et al. C 9 H 11 NO 2 833