0 0 0

 leap-generated prep residue
AAA.res
AAA  INT     0
CHANGE   NOMIT DU   BEG 
   0.00000
   1   DUMM  DU    M      0.000000  0.000000  0.000000  0.0
   2   DUMM  DU    M      1.000000  0.000000  0.000000  0.0
   3   DUMM  DU    M      1.000000  1.000000  0.000000  0.0
   4   C3    CT    M      1.457903  2.274217  1.161130    0.018900
   5   C5    CT    3      1.991232  3.718876  1.150214    0.005100
   6   H7    HC    E      1.648676  4.228818  0.254664    0.000000
   7   H8    HC    E      3.074395  3.709837  1.228142    0.000000
   8   H9    HC    E      1.576572  4.268549  1.990043    0.000000
   9   C2    C     B     -0.061483  2.387179  1.095321    0.564800
   10  H1    H1    E     -0.564109  3.029469  2.143373    0.000000
   11  O2    O     E     -0.748693  1.931014  0.237558   -0.593900
   12  C4    CT    M      1.800759  1.698874  2.538974    0.005100
   13  H4    HC    E      1.364999  0.709603  2.643148    0.000000
   14  H5    HC    E      1.471928  2.388552  3.306504    0.000000


IMPROPER
 C3   O2   C2   H1  

DONE
STOP