Table 1. Summary of key physical properties.

DM, dipole moment.

	SBMSP	SBCSP	BBGSP	BBISP
SHG (× AGS)	5.2	6.6	6.4	7.5
Eg (eV)	1.90	1.83	1.86	1.81
Δn	0.03	0.036	0.033	0.051
d23 (pm/V)	64.8	76.2	71.3	89.1
IR range (μm)	9.4	9.4	9.4	9.4
C	0.982	0.984	0.983	0.982
DM (D)	14.4	12.9	22.7	7.6