Heat changes and the nature of phase transitions^a.

Heating					Cooling
T (K)	ΔH (J mol−1)	ΔS (J mol−1 K−1)	N	Transition nature	T (K)	ΔH (J mol−1)	ΔS (J mol−1 K−1)
Fig. 2(a) [193 K–443 K] (Run 2)
228.02	1241.55	5.44	1.92	*	218	1250.68	5.74
235	1193.36	5.08	1.84	*	232.12	1408.49	6.07
268.36	366.26	1.36	1.18	*	257.6	199.77	0.77
306.42	189.69	0.62	1.08	*	300.68	119.10	0.40
355	107.33	0.30			355	221.01	0.62
391.6	177.24	0.45	1.06	*
411.57	5302.84	12.88	4.70	+	404.49	3370.26	8.33
422.94	9370.72	22.16	14.37	+	413.88	12 925.25	31.23
Fig. 2(b) [193 K–406 K] (Run 2)
229.59	1853.13	8.07	2.64	+	215.64	1950.20	9.04
235.88	1618.96	6.86	2.28	+	230.39	2050.75	8.89
278.04	56.60	0.20	1.02	*	262.17	81.80	0.31
309.22	22.93	0.07	1.00	*	304.1	48.71	0.16
318.45	35.40	0.11	1.01	*
396.35	96.68	0.18	1.02	*	385.3	66.33	0.17
Fig. 2(b) [193 K–406 K] (Run 3)
229.59	1839.45	8.01	2.62	+	215.64	1962.99	9.10
235.88	1679.95	7.12	2.36	+	230.39	2041.77	8.86
278.04	59.34	0.21	1.03	*	262.17	74.12	0.28
309.04	21.78	0.07	1.00	*	304.25	50.54	0.17
317.3	47.53	0.15	1.02	*
396.35	76.82	0.19	1.02	*	385.3	55.41	0.14

^a*: not purely order disorder transition, +: order disorder transition.