In the title compound, [7S-(7 alpha,7a alpha,14 alpha,14a yrido[1,2-a:
1',2'-e][1,5]diazocine-4-carbonitrile, C17H27N3, the two quinolizidine
moieties have been found to have trans A/B and trans C/D configuratio
ns. The piperidine rings A, B, C and D assume chair, chair, boat and c
hair conformations, respectively. The methyl substituent has been show
n to adopt an equatorial orientation, with the cyano substituent in an
axial position.