glycoaldehyde (H2O)_5    C2H4O2 + 5 x H2O = C2 H14 O7
c
c  parent species
c
  1  -2
  3  -1
1021.944400        0.000610
 905.491980        0.000530
 753.229900        0.000450
150.073951
c
c  O(2)
c
1009.188800        0.001600
 889.904700        0.001500
 742.119100        0.001100
2.0042464
c
c  O(3)
c
 996.649100        0.001700
 903.375000        0.001300
 739.299900        0.001100
2.0042464
c
c  O(4)
c
1018.526300        0.001600
 884.577100        0.001400
 737.557000        0.001200
2.0042464
c
c  O(5)
c
1003.797690        0.000930
 891.414800        0.001100
 752.984300        0.001000
2.0042464
c
c  O(6)
c
 995.606100        0.001400
 904.701400        0.001200
 738.997100        0.001300
2.0042464
end


H2O = 2 * 1.00782503207 + 15.9949146221 = 18.0105646