4

C      -0.164570087999934     -0.287091692054071      0.002399151070075
H       1.167789170664789      1.360203215896056      0.244219625025656
C       0.924403874520219      0.064876556623697      1.139771191927495
H       0.295534410002176      0.887643451220815      0.920032107855719