Ice V: Difference between revisions
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'''Ice V''' was discovered by the [http://nobelprize.org/nobel_prizes/physics/laureates/1946/index.html Nobel prize winner] Percy Williams Bridgman in 1912 (Ref. 1). Ice V has a monoclinic unit cell containing 28 molecules (Ref. 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 [[pressure]]s between 3.4kbar 6.3 kbar (Ref. 4). | '''Ice V''' was discovered by the [http://nobelprize.org/nobel_prizes/physics/laureates/1946/index.html Nobel prize winner] Percy Williams Bridgman in 1912 (Ref. 1). Ice V has a monoclinic unit cell containing 28 molecules (Ref. 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 [[pressure]]s between 3.4kbar 6.3 kbar (Ref. 4). | ||
==Experimental equation of state== | ==Experimental equation of state== | ||
Gagnon ''et. al.'' have provided an | Gagnon ''et. al.'' have provided an empirical [[Equations of state | equation of state]] for ice V at a [[temperature]] of 237.65K (Ref. 3 Eq. 5) | ||
:<math>\rho (V) = 1.1974 + 0.01963~p - 0.001098 ~p^2</math> | :<math>\rho (V) = 1.1974 + 0.01963~p - 0.001098 ~p^2</math> | ||
Revision as of 17:52, 2 February 2009
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Ice V was discovered by the Nobel prize winner Percy Williams Bridgman in 1912 (Ref. 1). Ice V has a monoclinic unit cell containing 28 molecules (Ref. 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 (Ref. 4).
Experimental equation of state
Gagnon et. al. have provided an empirical equation of state for ice V at a temperature of 237.65K (Ref. 3 Eq. 5)
where the density is in units of g.cm-3, and the pressure, is in units of kbar, where .
References
- Percy Williams Bridgman "Water in the liquid and five solid forms, under pressure", Proceedings of the American Academy of Arts and Sciences XLVII pp. 441-558 (1912)
- B. Kamb, A. Prakash and C. Knobler "Structure of ice V", Acta Crystallographica 22 pp. 706-715 (1967)
- R. E. Gagnon, H. Kiefte, M. J. Clouter and Edward Whalley "Acoustic velocities and densities of polycrystalline ice Ih, II, III, V, and VI by Brillouin spectroscopy", Journal of Chemical Physics 92 pp. 1909-1914 (1990)
- Colin Lobban, John L. Finney and Werner F. Kuhs "The structure and ordering of ices III and V", Journal of Chemical Physics 112 7169-7180 (2000)
- Carlos Vega, Carl McBride, Eduardo Sanz and Jose L. F. Abascal "Radial distribution functions and densities for the SPC/E, TIP4P and TIP5P models for liquid water and ices Ih, Ic, II, III, IV, V, VI, VII, VIII, IX, XI and XII", Physical Chemistry Chemical Physics 7 pp. 1450 - 1456 (2005)
- E. G. Noya, C. Menduiña, J. L. Aragones, and C. Vega "Equation of State, Thermal Expansion Coefficient, and Isothermal Compressibility for Ices Ih, II, III, V, and VI, as Obtained from Computer Simulation", Journal of Physical Chemistry C 111 pp. 15877 - 15888 (2007)
- Chris Knight and Sherwin J. Singer "Hydrogen bond ordering in ice V and the transition to ice XIII", Journal of Chemical Physics 129 164513 (2008)