Fit parameters for the Raman relaxation processes extracted from the τ temperature dependences.

Compound	C/s−1 K−n	n
[(S)-1]n	124(1)	3.83(10)
[(S,S,S)-2]n (HF)	357(1)	2.71(48)
[(S)-3]n	130(1)	3.78(9)
[(S,S,S)-4]n	257(23)	3.47(8)
[(S,S,S)-2]n (LF)	0.77(28)	6.92(4)