Group Group Parameters
  Rk Qk
CH3 0.9011 0.8480
CH2 0.6744 0.5400
H2O 0.9200 1.4000
CH3CO 1.6724 1.4880
CH3COO 1.9031 1.7280
CH2O 0.9183 0.7800
COOH 1.3013 1.2240
Table 9: UNIFAC Group Parameters.