Thermodynamic and X-ray studies of layered perovskite KCa2NaNb4O13 Knyazev, A.; Krasheninnikova, O.; Syrov, E.; Kyashkin, V.; Lelet, M.; Smirnova, N.; The Journal of Chemical Thermodynamics 2019, 138, 255-261
Data
P = 101.325 kPa
T (K) Hm (kJ mol-1)
5 3.41e-05
45 0.743
50 1.042
60 1.836
70 2.885
80 4.191
90 5.748
100 7.542
110 9.55
120 11.75
130 14.12
7 7.93e-05
140 16.66
150 19.36
160 22.21
170 25.2
180 28.33
190 31.58
200 34.94
210 38.4
220 41.97
230 45.63
10 0.0002513
240 49.38
250 53.22
260 57.14
270 61.13
280 65.2
290 69.33
298.15 72.74
300 73.52
310 77.77
320 82.07
15 0.006208
330 86.42
340 90.81
345 93.02
20 0.02953
25 0.08344
30 0.1748
35 0.3127
40 0.5013
48377; calcium niobium potassium sodium oxide (Ca2Nb4KNaO13); 08477