Viscosity and Glass Transition in Amorphous Oxides

Table 4

Thermodynamic parameters of configurons.

Amorphous material	𝐻𝑑/ kJ mol^−1	𝐻𝑚, kJ mol^−1	𝑆𝑑/𝑅	𝑆𝑚/𝑅	𝑆𝑑/𝑆𝑚
Silica (SiO2)	237	522	17.54	11.37	1.54
SLS (mass %): 70SiO2	331	293	44.03	24.40	1.8
21CaO 9Na2O
80SiO2 20Na2O	155	207	17.98	7.79	2.31
66.7SiO2 33.3PbO	197	274	25.40	7.3	3.48
65SiO2 35PbO	231	257	30.32	8.53	3.55
59.9SiO2 40.1PbO	236	258	31.12	6.55	4.6
B2O3	258	113	44.2	9.21	4.8
65SiO2 35Na2O	300	186	40.71	7.59	5.36
70SiO2 30Na2O	258	205	34.84	5.22	5.87
75.9SiO2 24.1PbO	262	234	36.25	5.44	6.66
Germania (GeO2)	129	272	17.77	2.49	7.14
75SiO2 25Na2O	233	203	30.62	4.22	7.26
Anorthite (CaAl2Si2O8)	884	251	79.55	0.374	213
52SiO2 30Li2O 18B2O3	420	194	52.06	0.227	229
Salol	145	118	68.13	0.114	598
(HOC6H4COOC6H5)
α–phenyl–o–cresol	172	103	83.84	0.134	626
Diopside (CaMgSi2O6)	834	240	88.71	0.044	2016