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. 2020 Mar 6;10(16):9643–9656. doi: 10.1039/c9ra10499b

Transition temperature (°C), associated (enthalpy of transitions in kJ mol−1), and entropy changes of Ina–da.

Compounds T Cr–SmA T Cr–N T SmA–N T SmA–I T N–I ΔSSmA–N/R ΔSSmA–I/R ΔSN–I/R
I6a 165.9(51.31) 369.0b
I8a 161.4(44.67) 352.0b
I10a 157.5(50.46) 185.1(0.33) 348.0b 0.087
I12a 155.4(50.08) 211.4(0.40) 339.6(3.60) 0.098 0.707
I14a 153.4(77.32) 229.6(0.55) 327.4(3.98) 0.132 0.797
I16a 151.7(47.09) 242.9(0.64) 314.4(4.23) 0.149 0.880
I6b 149.3(24.83) 366.0b
I8b 153.8(21.95) 188.1(0.41) 355.4(1.37) 0.110 0.460
I10b 152.5(35.95) 220.8(0.59) 338.3(2.69) 0.143 0.530
I12b 155.1(38.91) 240.0(0.68) 327.0(3.39) 0.160 0.680
I14b 130.3(26.31) 252.3(0.96) 310.0(3.88) 0.220 0.800
I16b 122.4(62.38) 257.0(1.10) 298.1(4.23) 0.250 0.890
I6c 156.5(30.56) 211.7(0.87) 323.5(2.88) 0.220 0.580
I8c 145.4(19.21) 234.9(1.01) 305.7(2.93) 0.240 0.610
I10c 135.7(44.37) 245.3(1.64) 290.1(3.23) 0.380 0.690
I12c 129.0(37.57) 249.2(1.78) 276.8(3.38) 0.410 0.740
I14c 129.6(57.78) 249.3(1.85) 265.0(3.53) 0.426 0.790
I16c 129.2(59.05) 245.4(1.94) 254.3(3.81) 0.450 0.870
I6d 168.7(29.47) 319.0(0.83) 370.0b 0.170
I8d 146.1(20.34) 335.9(1.40) 360.0b 0.280
I10d 143.8(21.28) 338.5(2.19) 350.5(3.01) 0.430 0.580
I12d 137.9(21.98) 336.6(4.26) 340.2(3.16) 0.840 0.620
I14d 135.7(22.57) 330.2(8.09) 2.950
I16d 133.9(19.23) 322.9(8.97) 3.340
a

Cr–SmA denotes transition from solid to the SmA phase. Cr–N denotes transition from solid to the N phase. SmA–N denotes transition from SmA to the N phase. SmA–I denotes transition from SmA to the isotropic phase. N–I denotes transition from nematic to the isotropic phase.

b

Values detected by PLM only.