4

C       0.168911604703923      0.202593906301979      0.218043599491013
C       1.208659435777255      1.365502112363494      0.222770837519064
C       1.685843766726636      0.183628102820145      1.695819204081890
C       0.146850091681325      1.769594050077381      1.676262330459124