Hg(l)

Formula : Hg

Family: 
Element
Space group: 
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Dana class: 
1.1.7.1 (1)Native Elements (1.1) with metallic elements other than the platinum group (1.1.7) Dana Group
High temperature: 
Stable at room temperature
Geological context: 
Oxidized mercury deposits, supergene environment

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
 V°
cm3·mol-1
 ΔGºf
J·mol-1
 ΔHºf
J·mol-1
 Sº
J·mol-1·k-1
 CP
J·mol-1·K-1
200.590 14.822 (Ref.: 95rob/hem) Robie R.A., and Hemingway B.S., 1995. Thermodynamic properties of minerals and related substances at 298.15 K and 1 Bar (105 Pascals) pressure and at higher temperatures. U.S. Geol. Survey Bull., 2131, 461 pp. 0 (Ref.: Internal calculation) 0 (Ref.: By convention) 75.900 (Ref.: 89cox/wag) Cox J.D., Wagman D.D., and Medvedev V.A., 1989. CODATA Key Values for Thermodynamics. Hemisphere Publishing Corp., New York, 279 p. 27.98 (Ref.: 98cha) Chase, M.W.J., 1998. NIST-JANAF Thermochemical Tables, Journal of Physical Chemistry Reference Data, Vol. 9, 4th Edition. National Institute of Standards and Technology, Washington DC, 1951 pp.
CP(T) = a + b·T + ·c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b * 103
J·mol-1·K-2
 c * 10-5
J·K·mol-1
 Maier Kelley Ref.
26.23 0.90 1.31 (Ref.: 98cha) Chase, M.W.J., 1998. NIST-JANAF Thermochemical Tables, Journal of Physical Chemistry Reference Data, Vol. 9, 4th Edition. National Institute of Standards and Technology, Washington DC, 1951 pp.
Reaction properties

Hg(l) ⇌ Hg

298.15 K, 1 bar log10K: -6.50 ΔH°r:12503 J·mol-1 (Ref.: By convention)
T(°C) 0 25 60 100 150 200 250 300
log10K -6.61 -6.50 -6.16 -5.66 -4.97 -4.25 -3.53 -2.83
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
163.017876 0.029253 -13987.847368 -58.730554 1244364.333115