Main page (Russian)
Search in database (English)
Sitemap (Russian)
New version database
Properties of substance:
californium
Group of substances:
inorganic
Physical appearance:
metal
Empirical formula (Hill's system for organic substances):
Cf
Structural formula as text:
Cf
Molar/atomic mass: 251
Melting point (°C):
900
Boiling point (°C):
1227
Numerical data:
Year of discovery: 1950
Electrode potential:
Cf
3+
+ 3e
-
→ Cf, E = -1.91 V (water, 25°C)
Cf
4+
+ e
-
→ Cf
3+
, E = 3.1 V (water, 25°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
0 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
0 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
77 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
29 (s)
ΔH
sublimation
(kJ/mol):
163
References:
Бекман И.Н. Радиохимия. Том II: Радиоактивные элементы. - М.: Издатель Мархитин П.Ю., 2014. - pp. 356-360 [Russian]
Вредные химические вещества: Радиоактивные вещества. Справочник. - Л., 1990. - pp. 224-225 [Russian]
Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 286-287 [Russian]
Химия актиноидов. - Т.2. - М.: Мир, 1997. - pp. 558-574 [Russian]
What information do you need?
© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru