  34
Ideal beta-Cristobalite (SiO_2) & Fd(-3)m (#227, O^7_h) & cF24 & C9 & Wyckoff, Vol. I, pp. 318-19, Pearson's Handbook Vol. IV, p. 4759
Si     8.06175000      .89575000      .89575000
O      7.16600000     1.79150000     1.79150000
Si      .89575000      .89575000      .89575000
Si     4.47875000     4.47875000      .89575000
O      3.58300000     5.37450000     1.79150000
O      5.37450000     3.58300000     1.79150000
Si     8.06175000     8.06175000      .89575000
Si     4.47875000      .89575000     4.47875000
O      3.58300000     1.79150000     5.37450000
O      5.37450000     1.79150000     3.58300000
Si     8.06175000     4.47875000     4.47875000
Si     6.27025000     2.68725000     2.68725000
O      7.16600000     3.58300000     3.58300000
O      7.16600000     5.37450000     5.37450000
Si     8.06175000      .89575000     8.06175000
Si      .89575000     8.06175000      .89575000
O      1.79150000     7.16600000     1.79150000
Si      .89575000     4.47875000     4.47875000
O      1.79150000     3.58300000     5.37450000
O      1.79150000     5.37450000     3.58300000
Si     4.47875000     8.06175000     4.47875000
Si     2.68725000     6.27025000     2.68725000
O      3.58300000     7.16600000     3.58300000
O      5.37450000     7.16600000     5.37450000
Si      .89575000      .89575000     8.06175000
O      1.79150000     1.79150000     7.16600000
Si     4.47875000     4.47875000     8.06175000
Si     2.68725000     2.68725000     6.27025000
O      3.58300000     3.58300000     7.16600000
O      5.37450000     5.37450000     7.16600000
Si     8.06175000     8.06175000     8.06175000
Si     6.27025000     6.27025000     6.27025000
O      7.16600000     7.16600000     7.16600000
Si      .89575000     8.06175000     8.06175000
