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    2.723173151   2.108541863  -0.268104158
O    3.641659147   2.486256185  -0.326188106
C    4.519634665   1.394694923  -0.255814354
H    5.542533972   1.775520864  -0.315721690
H    4.422133629   0.829347428   0.675693603
H    4.376317841   0.679824855  -1.071667685