摘要
The crystal structure of the title compound, 1,1 dichloro 3 dichloro 3 dichloromethyl 1a,3 diphenyl 1a,2,3,4 tetrahydro 1H azirino 1,2 a 1,5 benzodiazepine (C 23 H 18 Cl 4N 2, M r =464.22) was crystallized in triclinic, space group P 1, with cell dimensions a=9.621(7), b=9.694(9), c=12.669(6) , α=107.99(5)°, β=101.42(5)°, γ=69.94(6)°, V=1050.2(4) 3, Z=2, D c =1.468 g/cm 3 , Cu Kα(λ=1.5418 ). F(000)=1816, μ =2.44 mm -1 . The structure was solved by direct methods and refined by full matrix least squares method, and the final crystallographic discrepancy factor is 0.063 for 2555 observed reflections. The molecular backbone is a tricyclic system with the central seven membered 1,5 diazepine ring in twisted boat like conformation and cis fused to both aziridine ring and benzene ring.
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