4

C       0.038483159161008      0.191786186075249      0.178955182286135
C       1.643395764979731      1.614553590633172      0.032535814990947
C       1.649046894850527      0.106092939059209      1.466039972913158
C      -0.194019751429673      1.321575979200357      1.513615980846801