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papers [2019/03/04 14:04] – janettate | papers [2019/03/04 14:06] – janettate | ||
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Yes! Here is the advice from previous years. | Yes! Here is the advice from previous years. | ||
+ | |||
Q. What is a CIF file | Q. What is a CIF file | ||
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Here is some of the text from a CIF file describing anatase TiO2: | Here is some of the text from a CIF file describing anatase TiO2: | ||
- | '' | + | '' |
- | _atom_site_type_symbol | + | |
- | _atom_site_fract_x | + | '' |
- | _atom_site_fract_y | + | |
- | _atom_site_fract_z | + | '' |
- | _atom_site_occupancy | + | |
- | _atom_site_U_iso_or_equiv | + | '' |
- | Ti1 Ti+4 0 0 0 1 0.0 | + | |
- | O1 O-2 0.2821 0.2821 0 1 0.0'' | + | '' |
+ | |||
+ | '' | ||
+ | |||
+ | '' | ||
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+ | '' | ||
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+ | '' | ||
Translating the above code into english: “There is a Ti atom at (x,y,z) = (0,0,0) and an O atom at (0.2821a, 0.2821b, 0), where a and b are unit cell dimensions. | Translating the above code into english: “There is a Ti atom at (x,y,z) = (0,0,0) and an O atom at (0.2821a, 0.2821b, 0), where a and b are unit cell dimensions. |