4

C      -0.001361963415380      0.064876556623697      0.014771191927495
Si      1.795534410002176      1.341253012034589      0.006014570924093
C       1.043595576737422     -0.078609560813774      1.289017536931626
Si     -0.019931044502607      1.281582388678215      1.279990105396607