Synthesis and Phase Transition Behaviours of New Chalcone Derivatives

Table 2

Transition temperature and enthalpy changes of compounds 2a–d during cooling cycle.

Compounds	Transition	Temperature (°C)	Δ𝐻 (kJ mol^−1)
2a	I-Cr1	62.1	−39.19
2b	I-Cr3	96.7	−34.35
	Cr3-Cr2	70.2	−1.58
	Cr2-Cr1	63.5	−0.77
2c	I-Cr2	111.5	−42.96
	Cr2-Cr1	81.7	−7.27
2d	I-Cr1	112.8	−28.38