Compound Isomers ratio Phase transitions temperature,°С Compound Phase transitions temperature, °С I-A I-B С→N N→I С→N N→I Ia(n=2) 45 55 136.6 188.1 n=2 169.5 179.0 Ib (n=3) 55 45 124.5 167.0 n=3 127.5 156.5 Ic (n=6) 58 42 127.5 166.4 n=6 114.0 Id (n=8) 59 41 117.6 150.3 n=8 C70.8S120.4N133.7I Ie (n=10) 59 41 111.3 138.0 n=9 C73.5S119.5N127.7I

Table 1: Temperature of phase transitions of azoxybenzenes I and their structural analogs (accuracy of ± 0.1°С).