Table 7.

Hydrogen bonds in the structures of C3 and C4.

D–H•••A	d(D–H) (Å)	d(H•••A) (Å)	d(D•••A) (Å)	<(DHA) (°)	Graph-Set
C3
N3–H3•••Cl1(i)	0.88	2.39	3.2688(16)	173	C (7)
C4
N3–H3•••Cl3(ii)	0.88	2.57	3.195(3)	129	C (8)
N3–H3•••Cl4(iii)	0.88	3.02	3.722(3)	139	C (8)
N23–H23•••Cl2(iv)	0.88	2.71	3.459(3)	143	C (8)
N23–H23•••Cl2(v)	0.88	2.64	3.237(3)	126	C (8)

Symmetry transformations used to generate equivalent atoms: (i) x, y, z − 1; (ii) x, −y + 0.5, z – 0.5; (iii) −x + 2, y + 0.5, –z + 1.5; (iv) −x + 1, y + 0.5, −z + 1.5; (v) x, −y + 0.5, z + 0.5.