An Infrared Spectroscopy Study of the Conformational Evolution of the Bis(trifluoromethanesulfonyl)imide Ion in the Liquid and in the Glass State

Table 4

Experimental vibration frequencies at 160 K and attribution to ions.

Frequency (cm^−1)	Attribution
204.4	cis-TFSI
224.4	trans-TFSI
238.6	DEBA
277.7	DEBA/cis-TFSI
341.5	DEBA/cis-TFSI
361.6	DEBA/trans-TFSI
397.4	trans-TFSI
409.6	cis-TFSI
428.7	cis-TFSI
451.2	DEBA
509.97	cis-TFSI
515.18	trans-TFSI
544.2	DEBA
551.4	DEBA
571.2	TFSI
582.0	cis-TFSI
600.5	cis-TFSI
615.6	trans-TFSI
652.6	cis-TFSI