Geometric parameters of selected intramolecular hydrogen bonds^a and close contacts defined for arylsulfonyl derivative molecules.

No.	D–H⋯A	d(D⋯A) [Å]	d(H⋯A) [Å]	D–H⋯A [°]
1a	C8–H8⋯O11	3.004(4)	2.440(2)	117.9(2)
	C12–H12⋯O11	2.861(3)	2.457(2)	105.5(2)
	C19–H19⋯O10	2.914(4)	2.235(2)	127.6(2)
2a	C8–H8⋯O11	3.115(2)	2.577(1)	117.3(1)
	C12–H12⋯O11	2.891(2)	2.514(1)	104.5(1)
3a	C8–H8⋯O11	3.096(2)	2.545(1)	117.2(1)
	C12–H12⋯O11	2.902(2)	2.522(1)	104.0(1)
4a	C8–H8⋯O11	3.102(3)	2.548(2)	117.4(2)
	C12–H12⋯O11	2.958(3)	2.609(1)	102.1(1)
	C16–H16⋯O10	2.945(3)	2.600(2)	101.8(1)

^aContacts with the geometrical parameters of the hydrogen bond are indicated in bold.