Cesium Hydroxide (CsOH) Cs1H1O1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 67.872 98.742 98.742 0. -416.726 -370.716 64.948 300 67.990 99.163 98.744 0.126 -416.714 -370.431 64.498 400 74.392 119.617 101.489 7.251 -417.807 -354.453 46.287 410.000 74.990 121.461 101.954 7.998 ALPHA <--> BETA 410.000 75.228 124.625 101.954 9.295 TRANSITION 493.000 82.174 139.114 107.010 15.827 BETA <--> GAMMA 493.000 83.680 151.420 107.010 21.894 TRANSITION 500 83.680 152.600 107.640 22.480 -408.701 -339.169 35.433 588.000 83.680 166.166 115.411 29.844 GAMMA <--> LIQUID 600 83.680 167.856 116.443 30.848 406.484 325.471 28.335 700 83.680 180.756 124.733 39.216 -404.309 -312.142 23.292 800 83.680 191.929 132.450 47.584 -402.179 -299.121 19.531 900 83.680 201.786 139.617 55.952 -400.095 -286.364 16.620 1000 83.680 210.602 146.282 64.320 -465.187 -270.138 14.111