Table 1. Characteristic Molecular Orientation (MO) Order Parameters for Each Crystallographic Phase of MAPbBr₃, Including the Alignment Factor (AF) and Contrast Factor (CF)^a.

	MO order parameters
phases	AFa	AFb	AFc	CF
[↑↑↑↑...]	1.0			1.0
[↑↓↑↓...]	–1.0			–1.0
α, 350 K	–0.05	–0.05	–0.05	0.9
β, 185 K	0.05	0.05	–0.25	0
γ, 100 K	–0.40	0.75	–1	–0.75

^aValues for a 1D rod of aligned and anti-aligned molecules are shown for comparison.