Difference between revisions of "Ice XI"

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ice XI forms when ice Ih is cooled to below 72K. It has an orthorhombic structure with the space group Cmc2<sub>1</sub> with
 
ice XI forms when ice Ih is cooled to below 72K. It has an orthorhombic structure with the space group Cmc2<sub>1</sub> with
 
eight molecules per unit cell (Ref. 4)
 
eight molecules per unit cell (Ref. 4)
==References==
+
Its lattice parameters are a=4.465(3) &Aring;, b=7.859(4) &Aring;, and c=7.292(2) &Aring; at 5 K (Ref. 4).
 +
==References==  
 
#[http://dx.doi.org/10.1143/JPSJ.32.1442 Shuji Kawada "Dielectric Dispersion and Phase Transition of KOH Doped Ice", Journal of the Physical Society of Japan '''32''' pp. 1442-1442 (1972)]
 
#[http://dx.doi.org/10.1143/JPSJ.32.1442 Shuji Kawada "Dielectric Dispersion and Phase Transition of KOH Doped Ice", Journal of the Physical Society of Japan '''32''' pp. 1442-1442 (1972)]
 
#[http://dx.doi.org/10.1016/0022-3697(84)90008-8  Yoshimitsu Tajima, Takasuke Matsuo and Hiroshi Suga "Calorimetric study of phase transition in hexagonal ice doped with alkali hydroxides", Journal of Physics and Chemistry of Solids '''45'''  pp. 1135-1144 (1984)]
 
#[http://dx.doi.org/10.1016/0022-3697(84)90008-8  Yoshimitsu Tajima, Takasuke Matsuo and Hiroshi Suga "Calorimetric study of phase transition in hexagonal ice doped with alkali hydroxides", Journal of Physics and Chemistry of Solids '''45'''  pp. 1135-1144 (1984)]

Revision as of 13:22, 25 July 2007