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Ice II |
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Kamb B |
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Acta Crystallographica 17 (1964) 1437-1449 |
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Ice II: A proton-ordered form of ice |
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Note: T = -75 C, P = 0.3 GPa |
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Locality: synthetic |
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_database_code_amcsd 0018367 |
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7.78 7.78 7.78 113.1 113.1 113.1 R-3 |
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atom x y z Biso |
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O1 .273 .024 -.146 1.93 |
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O2 .478 .75 .332 1.78 |
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H1 .165 .069 -.19 2.10 |
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H2 .413 .205 -.003 2.10 |
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H3 .719 .401 .395 2.10 |
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H4 .741 .203 .36 2.10 |
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Ice IV |
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Engelhardt H, Kamb B |
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Journal of Chemical Physics 75 (1981) 5887-5899 |
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Structure of ice IV, a metastable high-pressure phase |
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Note: T = 110 K, synthesized at 4-5.5 kb |
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Locality: synthetic |
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_database_code_amcsd 0018368 |
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7.60 7.60 7.60 70.1 70.1 70.1 R-3c |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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O1 .3804 -.1109 -.2396 .0103 .0073 .0094 -.0021 -.0039 -.0092 |
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O2 .0855 .0855 .0855 .0075 .0075 .0075 -.0042 -.0042 -.0042 |
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H1 .03 .03 .03 .5 1.9 |
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H2 .14 .18 .01 .5 1.9 |
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H3 .21 .33 -.10 .5 1.9 |
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H4 .30 -.01 -.28 .5 1.9 |
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H5 .22 .11 -.34 .5 1.9 |
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H6 .28 .41 -.02 .5 1.9 |
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Ice VII |
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Kamb B, Davis B L |
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Proceedings of the National Academy of Sciences 52 (1964) 1433-1439 |
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Ice VII, the densest form of ice |
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Note: T = 223 K, P = 2.5 GPa |
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Locality: synthetic |
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_database_code_amcsd 0018369 |
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3.30 3.30 3.30 90 90 90 Pn3m |
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atom x y z occ |
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O 0 0 0 |
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H .17 .17 .17 .5 |
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Ice VI |
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Kamb B |
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Science 150 (1965) 205-209 |
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Structure of ice VI |
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_database_code_amcsd 0015417 |
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6.27 6.27 5.79 90 90 90 P4_2/nmc |
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atom x y z |
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Wat1 0 .276 .382 |
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Wat2 0 0 0 |
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Wat3 .5 .5 .5 |
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|
| Download AMC data (View Text File)
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View JMOL 3-D Structure
|
| |
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