13

C   -1.006215463  -0.203566404   0.039323585
C    0.487100228   0.185923820  -0.030061282
O    1.301564189  -0.757785383   0.052857808
O    0.724973696   1.422331940  -0.159634962
H   -1.223648142  -0.940991754  -0.733559633
H   -1.208099576  -0.678638500   0.999935449
H   -1.654410613   0.661570766  -0.082684221
H    2.483400551   2.026200565  -0.255088470
O    3.401886547   2.403914887  -0.313172418
C    4.279862065   1.312353625  -0.242798666
H    5.302761372   1.693179566  -0.302706002
H    4.182361029   0.747006130   0.688709291
H    4.136545241   0.597483557  -1.058651997