Remarkable Conversion of 2-Thioxo-2,3-dihydroquinazolin-4(1H)-ones into the Corresponding Quinazoline-2,4(1H,3H)-diones: Spectroscopic Analysis and X-Ray Crystallography

Table 4

Hydrogen-bond geometry of the crystal structure 11 (Å, °).

D—H···A	D—H	H···A	D···A	D—H···A
N1B—H1BA···O2A^i	0.8800	1.9300	2.798 (3)	167.00
N1A—H1AA···O2B	0.88 (3)	1.96 (3)	2.822 (3)	168 (3)
C6A—H6AA···O1B^ii	0.9500	2.5800	3.511 (3)	166.00
C6B—H6BA···O1A	0.9500	2.6000	3.527 (3)	165.00
Symmetry codes: (i) x, y, z+1; (ii) x, y, z−1