Table 5.

Regression parameters of the temperature dependence of vapor pressure for the crystalline 5-substituted-1,10-phenanthroline derivatives.

Compound	ΔT/K	ln(p/Pa) = A − B/T
		A a	B/K a	OD b, ∮/mm
5-Cl-1,10-phenanthroline	332.2–367.1	35.150 ± 0.245	13472 ± 85	1
	308.0–339.6	34.986 ± 0.401	13392 ± 129	3
5-CH3-1,10-phenanthroline	331.0–372.3	33.691 ± 0.227	12921 ± 80	1
	311.4–338.9	33.932 ± 0.296	12971 ± 96	3
5-CH3O-1,10-phenanthroline	348.5–372.3	40.905 ± 0.480	15864 ± 173	1
	325.0–352.6	41.114 ± 0.587	15904 ± 199	3
5-CN-1,10-phenanthroline	377.1–413.7	38.031 ± 0.290	15833 ± 115	1
	345.3–378.3	37.624 ± 0.313	15624 ± 113	3
5-NO2-1,10-phenanthroline	389.0–424.1	37.259 ± 0.112	15536 ± 45	1
	352.6–392.2	38.004 ± 0.214	15796 ± 80	3
5- NH2-1,10-phenanthroline	403.3–441.9	38.349 ± 0.274	17341 ± 116	1
	381.4–403.6	38.736 ± 0.574	17462 ± 225	3

^a The associated uncertainties are standard deviations of the fitted parameters. ^b OD = Orifice diameter.