21

C         -0.01870        1.52580        0.01040
C          0.00210       -0.00410        0.00200
C         -1.43330       -0.53360        0.01290
C         -1.41260       -2.06350        0.00450
H         -0.81020       -2.42330        0.83860
C         -0.80860       -2.55810       -1.31140
C         -2.84130       -2.59370        0.14100
O         -2.81230       -4.01820        0.25020
H          1.00390        1.90310        0.00270
H         -0.54590        1.88680       -0.87260
H         -0.52890        1.87730        0.90720
H          0.51230       -0.35560       -0.89480
H          0.52930       -0.36510        0.88510
H         -1.94350       -0.18210        0.90970
H         -1.96050       -0.17260       -0.87020
H          0.20920       -2.18040       -1.40860
H         -0.79380       -3.64800       -1.31740
H         -1.41090       -2.19830       -2.14560
H         -3.30220       -2.17020        1.03330
H         -3.42020       -2.30830       -0.73740
H         -3.68560       -4.42360        0.34000