4

Si     -0.110205028070406      0.002399151070075      0.042789170664789
C       1.735203215896056      1.744219625025656      0.091769158335522
Si      1.564876556623697      0.014771191927495      1.795534410002176
C      -0.031035925235180      1.506014570924093      1.207634716184697