4

C       0.024583021685313      0.004657232886532      0.039217355340847
C       1.538864510589576      1.597656671891488     -0.272032951544397
C       1.678669121589417     -0.275372430555437      1.208142189133414
C       0.058580075300539      1.201099624288973      1.646315677916387