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Cristobalite II |
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Dera P, Lazarz J D, Prakapenka V B, Barkley M, Downs R T |
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Physics and Chemistry of Minerals 38 (2011) 517-529 |
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New insights into the high-pressure polymorphism of SiO2 cristobalite |
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Note: P = 3.5 GPa, data transformed from Dove et al (2000) |
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_database_code_amcsd 0018348 |
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8.011 4.544 8.890 90 121.0 90 P2_1/c |
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atom x y z Uiso |
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Si1 .6274 .2661 .8461 .018 |
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Si2 .8660 .0221 .7189 .018 |
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O1 .8152 .1255 .8517 .028 |
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O2 .6944 .4046 .0275 .028 |
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O3 .4637 .0262 .7952 .028 |
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O4 .0696 .1948 .7604 .028 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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Cristobalite II |
| |
Dera P, Lazarz J D, Prakapenka V B, Barkley M, Downs R T |
| |
Physics and Chemistry of Minerals 38 (2011) 517-529 |
|
New insights into the high-pressure polymorphism of SiO2 cristobalite |
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Note: P = 4.9 GPa |
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Note z-coordinate of O2 is corrected |
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Locality: Ellora Caves, India |
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_database_code_amcsd 0018349 |
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8.011 4.544 8.890 90 121.0 90 P2_1/c |
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atom x y z Uiso |
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Si1 .6265 .2742 .8472 .011 |
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Si2 .8757 .0079 .7218 .014 |
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O1 .8110 .1122 .8606 .015 |
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O2 .6980 .4261 .0330 .019 |
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O3 .4636 .0326 .8042 .011 |
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O4 .0665 .1704 .7533 .016 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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Cristobalite II |
| |
Dera P, Lazarz J D, Prakapenka V B, Barkley M, Downs R T |
| |
Physics and Chemistry of Minerals 38 (2011) 517-529 |
|
New insights into the high-pressure polymorphism of SiO2 cristobalite |
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Note: P = 7.4 GPa |
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Locality: Ellora Caves, India |
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_database_code_amcsd 0018350 |
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7.894 4.456 8.582 90 119.7 90 P2_1/c |
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atom x y z Uiso |
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Si1 .6274 .2767 .8492 .008 |
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Si2 .8757 .9875 .7260 .011 |
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O1 .8107 .1082 .8680 .008 |
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O2 .6889 .4490 .0333 .017 |
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O3 .4534 .0338 .8043 .016 |
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O4 .0689 .1382 .7504 .014 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
|
| |
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Cristobalite II |
| |
Dera P, Lazarz J D, Prakapenka V B, Barkley M, Downs R T |
| |
Physics and Chemistry of Minerals 38 (2011) 517-529 |
|
New insights into the high-pressure polymorphism of SiO2 cristobalite |
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Note: P = 10.1 GPa |
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Locality: Ellora Caves, India |
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_database_code_amcsd 0018351 |
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7.803 4.382 8.366 90 118.7 90 P2_1/c |
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atom x y z Uiso |
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Si1 .6258 .2822 .8522 .010 |
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Si2 .8769 .9612 .7287 .008 |
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O1 .8230 .1155 .8780 .020 |
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O2 .6839 .4673 .0384 .010 |
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O3 .4551 .0478 .8067 .018 |
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O4 .0670 .1033 .7402 .027 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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Cristobalite high |
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Wyckoff R |
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Zeitschrift fur Kristallographie 62 (1925) 189-200 |
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Die Kristallstruktur von $-beta-Crystobalit Si O2 (bei hohen |
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Temperaturen stabile Form). |
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_cod_database_code 1010944 |
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_database_code_amcsd 0017665 |
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7.12 7.12 7.12 90 90 90 Fd3m |
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atom x y z |
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Si1 0 0 0 |
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O1 .125 .125 .125 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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Cristobalite low |
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Nieuwenkamp W |
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Zeitschrift fur Kristallographie 92 (1935) 82-88 |
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Die Kristallstruktur des Tief-Cristobalits Si O2 |
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_cod_database_code 1010938 |
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_database_code_amcsd 0017659 |
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4.964 4.964 6.920 90 90 90 P4_12_12 |
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atom x y z |
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Si1 .300 .300 0 |
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O1 .245 .10 .175 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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Cristobalite high |
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Wyckoff R |
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American Journal of Science 9 (1925) 448-459 |
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The crystal structure of the high temperature form of Cristobalite (SiO2) |
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_cod_database_code 1010954 |
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_database_code_amcsd 0017674 |
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7.12 7.12 7.12 90 90 90 F4_132 |
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atom x y z |
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Si1 0 0 0 |
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O1 .125 .125 .125 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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Cristobalite high |
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Barth T |
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American Journal of Science 23 (1932) 350-356 |
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The Cristobalite Structures. I. High-Cristobalite |
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_cod_database_code 1010921 |
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_database_code_amcsd 0017646 |
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7.16 7.16 7.16 90 90 90 P2_13 |
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atom x y z |
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Si1 .255 .255 .255 |
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Si2 -.008 -.008 -.008 |
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O1 .125 .125 .125 |
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O2 .660 .660 .062 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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