Table 1.

Structural characteristics of the ChB interactions in co-crystals.

Co-Crystal	T (K)	Se•••N dist. (Å)	RR	C−(Se)•••N Angle (°)
4F-Se•bpe	296	3.052 (2)	0.88	172.1 (1)
8F-Se•bpe	296	3.029 (4)	0.87	176.7 (1)
4F-Se•bpe	150	3.005 (2)	0.87	172.7 (1)
8F-Se•bpe	150	2.958 (2)	0.85	177.3 (1)