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. 2021 Jun 14;14(12):3292. doi: 10.3390/ma14123292

Table 7.

The fitted parameters: a, b, c, and Ea for the temperature dependence of FWHM of the infrared band at 434 cm−1, associated with the N–CH3 bending mode obtained in the temperature range of 290–10 K for the N,N-dimethylglycine–chloranilic acid (DMG+–CLA) co-crystal (cm−1).

Parameter Value
a (cm−1) 6.53 ± 0.07
b (cm−1·K) 2.65 × 10−3 ± 8.6 × 10−5
c (cm−1) 44.00 ± 9.18
Ea (kJ·mol−1) 6.7 ± 0.6