glycoaldehyde (H2O)_6    C2H4O2 + 6 x H2O = C2 H16 O8
c
c  parent species
c
  1  -2
  3  -1
936.527910         0.000320
552.100310         0.000250
490.698970         0.000250
168.0845156
c
c  O(1)
c
 916.825200        0.001500
 546.385670        0.000360
 489.650110        0.000350
2.0042464
c
c  O(2)
c
 933.341300        0.007700
 542.255360        0.000650
 482.929070        0.000810
2.0042464
c
c  O(3)
c
 918.190900        0.007000
 551.531020        0.000320
 485.220250        0.000430
2.0042464
c
c  O(4)
c
 919.589800        0.004900
 546.497990        0.000350
 486.807740        0.000460
2.0042464
c
c  O(5)
c
 925.009010        0.000840
 549.596830        0.000380
 488.772590        0.000430
2.0042464
c
c  O(6)
c
 924.146200        0.006300
 541.453010        0.000310
 478.958670        0.000520
2.0042464
end


H2O = 2 * 1.00782503207 + 15.9949146221 = 18.0105646

150.073951 + 18.0105646 = 168.0845156    C2 H16 O8