12

  C     -1.035002    0.948265   -0.040349
  C      0.303733    1.371281   -0.012440
  C      1.338483    0.422672    0.027947
  C      1.035210   -0.948418    0.040357
  C     -0.303661   -1.371038    0.012438
  C     -1.338657   -0.422717   -0.027950
  H     -1.846826    1.691330   -0.071919
  H      0.542139    2.446011   -0.022122
  H      2.388149    0.754313    0.049822
  H      1.846954   -1.691431    0.071923
  H     -0.542289   -2.445787    0.022114
  H     -2.388234   -0.754482   -0.049821