Table 2. Principal percentage contributions of inter-atomic contacts to the Hirshfeld surfaces of I·HCl and II·HCl.

Contact	I·HCl % contribution	II·HCl % contribution
H⋯H	51.5	42.1
C⋯H/H⋯C	20.2	20.5
Cl⋯H/H⋯Cl	10.1	12.8
O⋯H/H⋯O	7.4	8.7
N⋯H/H⋯N	6.5	5.3
F⋯H/H⋯F	–	7.5
C⋯F/F⋯C	–	1.4
C⋯C	2.9	0.8