4

C      -0.123205947741982     -0.041051802964672      0.202593906301979
C       1.565041288724572      1.062684221634473      0.222770837519064
C       1.677915062546399      0.336630413586585      1.695819204081890
C       0.146850091681325      1.769594050077381      1.676262330459124