4

C      -0.009878932680947      0.469387920762621      0.170612999914186
Si      1.791698074548314      1.293275896404642     -0.053693624668756
C       1.538510861520966      0.149829907987749      1.247953870521878
Si     -0.170705437645793      1.287478492553748      1.394767463163814