Table 5 Hydration numbers (\({n_H}\)), of GBP in water and in various aqueous choline based ionic liquids solutions at 298 K.

From: Gabapentin drug interactions in water and aqueous solutions of green betaine based compounds through volumetric, viscometric and interfacial properties

m (mol·kg−1)

\({n_H}\)

GBP in aqueous solutions of Betaine

0.0100

3.556

0.0300

2.546

0.0500

2.271

GBP in aqueous solutions of DES (betaine-urea 1:2)

0.0100

2.641

0.0300

2.460

0.0500

2.425

GBP in aqueous solutions of IL (betaine octyl ester chloride)

0.0100

2.954

0.0300

2.706

0.0500

2.612

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