Ice V

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Ice V was discovered by the Nobel prize winner Percy Williams Bridgman in 1912 [1]. Ice V has a monoclinic unit cell containing 28 molecules [2]. Ice V is partially proton disordered, the proton ordered phase being Ice XIII. Ice V is stable in the region of 210-270 K and for pressures between 3.4kbar 6.3 kbar [3].

Experimental equation of state[edit]

Gagnon et. al. have provided an empirical equation of state for ice V at a temperature of 237.65K (Eq. 5 in [4])

\rho (V) =  1.1974 + 0.01963~p  - 0.001098 ~p^2

where the density is in units of, and the pressure, p is in units of kbar, where 3.3 < p< 5.8.


Related reading