4

C       0.011292313725878     -0.119305284968719      0.169113384559438
Si      1.304541001133005      1.623657474407823     -0.044112613924519
Si      1.452975128430587     -0.153181246240904      1.368940985825720
C       0.047371310213144      1.532387832184251      1.744049621893133