The crystal structure of S-2-(methylamino)-2-phenylcyclohexan-1-one hydrochloride (C13H18ClNO) was determined using X-ray powder diffraction. The compound crystallizes in the monoclinic space group P21 with unit-cell parameters a = 6.578 Å, b = 13.250 Å, c = 15.096 Å, β = 91.619°, and a unit-cell volume of 1315 ų, with four formula units per cell. All measured diffraction lines were indexed and are consistent with the assigned space group, and no detectable impurities were observed in the sample.
The X-ray powder diffraction pattern of 2-(ethylamino)-2-(3-methoxyphenyl)cyclohexan-1-one hydrochloride is reported, providing its unit-cell parameters and space group. The compound crystallizes in the monoclinic space group P21 with two molecules per unit cell. All observed diffraction lines were indexed and matched this space group, and no impurities were detected.