Table 1. Results from Fits to D_soln/D₀ of the Three Probes in Linear PDMS Solution^a.

model		octane	bodipy	terrylene
free-volume,	Bd′	0.75 ± 0.1	0.96 ± 0.06	2.48 ± 0.2
eq 2	fp′b	→	0.25 ± 0.05	←
Phillies,	α	1.7 ± 0.1	2.9 ± 0.2	2.9 ± 0.3
eq 4	ν	1.85 ± 0.1	2.4 ± 0.1	1.1 ± 0.1
Petit,	a	3.3 ± 0.3	9.4 ± 1.3	10.3 ± 3.2
eq 5	ν′	1.2 ± 0.1	1.8 ± 0.1	0.87 ± 0.1

^aNote that all results are dimensionless.

^bObtained from a simultaneous fit of all three data sets using a common f_p′ and a probe-specific B′ .