4

C       0.259118903279818      0.275212519589815      0.264811026462880
Si      1.608813135377086      1.632502561330504      0.100311516002597
Si      1.554425798771662     -0.145681300552852      1.280117114448655
C       0.135721270047520      1.564848867642310      1.162538154981260