Synthesis and Phase Transition Behaviours of New Chalcone Derivatives

Table 1

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

Compounds	Transition	Temperature (°C)	Δ𝐻 (kJ mol^−1)
2a	Cr1-I	90.1	36.60
2b	Cr1-Cr2	79.1	0.80
	Cr2-I	104.3	40.06
2c	Cr1-Cr2	87.0	6.71
	Cr2-I	116.8	42.44
2d	Cr1-I	123.5	26.71