Aj. Blake et al., 1,4,7-TRIAZATRICYCLO[5.2.1.0(4,10)]DECANE AT 100 K, Acta crystallographica. Section C, Crystal structure communications, 51, 1995, pp. 738-741
Molecules of C7H13N3 posswss non-crystallographic C-3 symmetry. Their
structure may be visualized as three five-membered CNCCN rings: each i
s in a twist conformation and shares edges with the other two rings an
d a common pivot C atom.