4

C      -0.123205947741982     -0.041051802964672      0.202593906301979
C       1.565041288724572      1.208659435777255      0.222770837519064
C       1.685843766726636      0.037652888677362      1.695819204081890
C       0.356813499349920      1.769594050077381      1.676262330459124