Cocrystallization of Febuxostat with Pyridine Coformers: Crystal Structural and Physicochemical Properties Analysis

Table 2

Hydrogen bond parameters of FEB cocrystal and salts.

Compound	D-H⋯A	d (D-H)	d (H···A)	d (D···A)	<(DHA)	Symmetry code
FEB-BIP	O2–H1⋯N3	1.00	1.59	2.586 (3)	168	x −1, y +1, z
FEB-3AP	N5–H5B⋯O5	0.90	2.30	3.130 (3)	153	− x +1, − y + 1, − z
	N6^+-H6···O2^−	1.00	1.68	2.660 (3)	164	− x + 2, − y +1, − z +1
	O4–H1⋯O1	0.86	1.62	2.471 (3)	175	x, y, z −1
FEB-4HP-H2O	N3^+-H3···O1^−	0.91	1.84	2.753 (4)	176	x +1, y +1, z +1
	O5–H5A···N1	0.85	2.21	2.983 (5)	150	x +1, y +1, z
	O5–H5B⋯O4	0.85	2.03	2.872 (5)	169	x, y, z