4

C      -0.145975214142782      0.209963407668596     -0.007928704180237
C       1.278002310766441      1.163483159161008     -0.042253412288152
C       1.192568469982373      0.191786186075249      1.303955182286135
C       0.291408711356922      1.239553590633172      1.157535814990947