Ice V

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This article is about the form of water ice. For the high speed train, see ICE V. For internal combustion engine vehicle, see ICEV.
"Ice 5" redirects here. For the ice hockey series, see Freeway Face-Off.
Main article: Ice § Phases

Ice V (pronounced "ice five") is a monoclinic crystalline phase of water, formed by cooling water to 253 K at 500 MPa. It has a complicated structure, including 4-membered, 5-membered, 6-membered, and 8-membered rings and a total of 28 molecules in the unit cell.[1][2] Ganymede's interior probably includes a liquid water ocean with tens to hundreds of kilometers of Ice V at its base.[3]


  1. ^ Chaplin, Martin (10 April 2012). "Ice-five (Ice V)". Retrieved 19 May 2014. 
  2. ^ Kamb, B.; Prakash, A.; Knobler, C. (1967). "Structure of ice. V". Acta Crystallographica. 22 (5): 706. doi:10.1107/S0365110X67001409. 
  3. ^ Showman, A. (1997). "Coupled Orbital and Thermal Evolution of Ganymede" (PDF). Icarus. 129 (2): 367. doi:10.1006/icar.1997.5778.