4

C       0.202593906301979      0.065041288724572      0.222770837519064
C       1.685843766726636      1.683628102820145      0.195819204081889
C       1.646850091681324      0.269594050077381      1.676262330459124
C      -0.145975214142782      1.709963407668596      1.492071295819763