4

C      -0.287091692054071     -0.243636787338550     -0.110205028070406
Si      1.502399151070075      1.542789170664789      0.235203215896056
Si      1.744219625025656      0.091769158335522      1.564876556623697
C       0.014771191927495      1.503169126186873      1.262643451220815