4

C       0.202887227140891      0.083433308841434     -0.204145969153263
C       1.510194544377541      1.720944912364830      0.231715454578219
C       1.681903272944352     -0.178165024345845      1.712192530768357
C       0.263535243957658      1.282204502380368      1.782781973647627