Crystal and Molecular Structure Analysis of 7-Chloro-5-cyclopropyl-9-methyl-10-(2-nitro-4-trifluromethyl-Phenyl)-5,10-dihydro-4,5,6,10-tetraaza-dibenzo [a, d]cyclohepten-11-one

The compound 7-chloro-5-cyclopropyl-9-methyl-10-(2-nitro-4-trifluromethyl-phenyl)- 5,10-dihydro-4,5,6,10-tetraaza-dibenzo[a,d]cyclohepten-11-one, C22H15N5O3F3Cl, crystallizes in the monoclinic crystal class under the space group P21/c with cell parameters a = 16.595(7) A, b = 8.775(7) A, c = 14.973(1) A, β = 97.465(4), V = 2161.9(3) A3, Z = 4. The structure was solved by direct methods using SHELXS-97, and refined using SHELXL-97. The final residual factor is R1 = 0.0604 for 4116 reflections and 342 parameters. The molecular structure exhibits intramolecular hydrogen bond of the type C–H · · · O.