(CH3Hg)2OH+

Formula : (CH3Hg)2OH+

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
448.256 1311 (Ref.: 18bla/bur) Blanc, P., Burnol, A., Marty, N., Hellal, J., Guerin, V., Laperche, V., 2018. Methylmercury complexes: Selection of thermodynamic properties and application to the modelling of a column experiment. Science of The Total Environment 621, 368-375. -172274 (Ref.: Internal calculation) 75.690 (Ref.: 03ald/gan) Alderighi, L., Gans, P., Midollini, S., Vacca, A., 2003. Co-ordination chemistry of the methylmercury(II) ion in aqueous solution: a thermodynamic investigation. Inorganica Chimica Acta 356, 8-18.
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
Reaction properties

2CH4 + H2O + 2Hg+2 ⇌ (CH3Hg)2OH+ + 3H+

298.15 K, 1 bar log10K: 3.85 ΔH°r:-51052 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 4.53 3.85 2.73 1.37 -0.33 -1.95 -3.46 -4.84
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
191.654247 0.017962 -1948.503949 -73.196661 -489357.218111