Table 4. Principal percentage contributions of inter-atomic contacts to the Hirshfeld surfaces of I, II and III ^a .

Contact	I	II	III a
H⋯H	67.5	65.9	58.2
C⋯H/H⋯C	25.2	25.8	33.6
O⋯H/H⋯O	4.5	4.5	4.5
N⋯H/H⋯N	2.5	3.5	2.1
C⋯C	0.2	0.2	0.2
C⋯N	0	0	1.3
C⋯O	0.1	0.1	0.1

Note: (a) Ullah & Altaf (2014 ▸).