16
 
C    -1.3656935   -1.3512634    0.0000000 
C    -2.7484086   -1.0224421    0.0000000 
C    -2.8156508    0.3249638    0.0000000 
O    -1.5751158    0.8611200    0.0000000 
C    -0.6954624   -0.1694461    0.0000000 
C     0.6954624    0.1694461    0.0000000 
O     1.5751158   -0.8611200    0.0000000 
C     2.8156508   -0.3249638    0.0000000 
C     2.7484086    1.0224421    0.0000000 
C     1.3656935    1.3512634    0.0000000 
H    -0.9206722   -2.3269899    0.0000000 
H    -3.5790533   -1.7013250    0.0000000 
H    -3.6279757    1.0236724    0.0000000 
H     3.6279757   -1.0236724    0.0000000 
H     3.5790533    1.7013250    0.0000000 
H     0.9206722    2.3269899    0.0000000 
