Solenova, S. L.; Khotsyanova, T. L.; Struchkov, Yu. T. published the artcile< Steric hindrance and molecular conformation. II. X-ray study of polyhalobenzenes and their derivatives>, COA of Formula: C19H34O2, the main research area is .
Goniometric data are given for 15 polyhalobenzenes and derivatives which display steric hindrance among the substituents. X-ray diffraction results are used to estimate the cell parameters. Typical crystal appearances are reproduced for carefully grown specimens in many cases. 1,3,4,5-Cl4C6H2, cell parameters; a 3.84, b 23.99, c 17.08 A., β 92.5°, n = 8, monoclinic P21/c, no piezo effect, packing coefficient k8 0.73; 3,4,5-Cl3C6H2NO2: a 7.63, b 7.87, c 14.59, α 67°42′, β 81°14′, γ 80°48′, n = 4, triclinic P1, no piezo effect, k4 0.70; 3,4,5-Cl3C6H2NH2.HCl: a 3.92, b 13.28, c 15.02, β 101.5°, n = 4, monoclinic P21/c, no piezo effect, k4 = 0.80; 2,6-Br2C6H3Cl: a 12.84, b 8.38, c 15.49, β 113.5°, n = 8, monoclinic P21/c, no piezo effect, k8 0.74; 2,4,6-Cl3C6H2Br: a = b = 14.28, c 3.99, n = 4, tetragonal P4̅21m, piezo effect present, k4 0.74; 1,2,3-Br3C6H3: a 13.03, b 8.29, c 15.56, β 113°, n = 8, monoclinic P21/c, no piezo effect, k8 0.77; 2,4,6-Cl3C6H2I: a 4.05, b 21.69, c 9.78, β 101°21′, n = 4, monoclinic P21/c, no piezo effect, k4 0.74; 2,6-Br2C6H3I: a 13.45, b 8.50, c 7.83, β 112°, n = 4, monoclinic P21/a, no piezo effect, k8 0.74; 3,5,4-Br2IC6H2NO2: a 9.06, b 20.11, c 10.3, β 91°, n = 8, monoclinic P21/a, k8 0.73; 3,4,5-I3C6H2NO2: a 7.28, b 17.43, c 16.72, β 91°30′, n = 8, monoclinic P21/c, no piezo effect, k8 0.69; 2,4,6-Cl3C6H2NO2: a 8.87, b 12.32, c 7.87, β 109°, n = 4, monoclinic A2/a, no piezo effect, k4 0.68; 2,4,6-Cl3C6H2NH2: a 16.58, b 3.90, c 13.74, β 117°, n = 4, monoclinic P21, piezo effect present, k4 0.66; 2,6,4-Cl2(O2N)C6H2NH2.HCl: a 3.72, b 17.86, c 23.84, β 93°, n = 8, monoclinic P21/c, no piezo effect, k8 0.78; 2,6-Br2C6H3NH2: a 16.43, b 4.43, c 10.31, n = 4, rhombic P212121, piezo effect present, k4 0.68; 2,6,4-I2(O2N)C6H2OMe (α form): a 15.25, b 16.35, c 8.43, β 98°50′, n = 8, monoclinic C2/c, no piezo effect, k8 0.70; (β form): a 15.48, b 16.31, c 4.23, n = 4, rhombic, P, no piezo effect, k4 0.69.
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya published new progress about Crystal structure. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, COA of Formula: C19H34O2.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics