Table 2.

The δ value of halogens per given angle ranges

Halogen	Angle range	δ value (Å)
Cl	165°–180°	0.25
Cl	150°–164°	0.15
Br	165°–180°	0.45
Br	150°–164°	0.35
Br	135°–149°	0.25
I	165°–180°	0.55
I	150°–164°	0.45
I	135°–149°	0.35