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I Crystal Structure Database (Pb0.5Sn0.5)Te

  1. Dec 22, 2016 #1
    I would like to find the crystal structure of (Pb0.5Sn0.5)Te
    I was told it is similar to NaCl basically an XY crystal
    I think it is called Space Group: 225
    I would like to know the first, second, third ...layer of atoms closest to a X atom...and perhaps their distance...

    I found
    But it had some access control....
    Is there any free-access open database available?
    Last edited: Dec 22, 2016
  2. jcsd
  3. Dec 22, 2016 #2
  4. Dec 22, 2016 #3
    Thanks. I have registered and found NaCl.
    Why there are two NaCl?
    Furthermore, where can I find Wyckoff positions for this guy?

    It does not seems to have (Pb0.5Sn0.5)Te?
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