Table 2. ¹⁵N—¹H distance (Å) measurements by SCXRD^a and ssNMR for the four investigated solid forms.

Compound	SCXRD (298 K)	SCXRD (298 K) Normalized	SCXRD (110 K)	SCXRD (110 K) Normalized	ssNMR
SA1	1.01 (3)	1.01	0.99 (2)	1.01	1.17
SA2	1.20 (3)	1.01	1.18 (3)	1.01	1.25
CO1	1.54 (4)	1.65	1.57 (3)	1.64	1.62
CNT1	0.99 (9)	1.01	1.17 (6)	1.01	1.43

Note: (a) data sets were collected on a Rigaku XtaLAB mini diffractometer.