Physicochemical Properties Tetrahydrocurcumin

Bisdemethoxycurcumin

Boiling Point 787.355 K 747.197 K
Melting Point 771.57 K 669.37 K
Critical Volume 1075.5 Cm.Cm.Cm/mol 887.5 Cm.Cm.Cm/mol
Critical Temperature 969.303 K 946.4 K
Critical Pressure 20.437 Bar 29.155 Bar
Crippens fragmentation method ( Crippens, 1987)
  • Log (P)
2.60 2.81
  • Molar Refractivity
102.09 Cm.Cm.Cm/mol 91.30 Cm.Cm.Cm/mol
Heat of Formation -870.87 KJ/mol -307.77 KJ/mol
Gibbs Energy -445.58 KJ/mol -72.72 KJ/mol
Ideal gas thermal capacity 438.08 J/mol.K 329.49 J/mol.K
Henry’s Law constant 18.2264 log 17.0884 log
Connolly Accessible Area 662.529 (Å) squared 574.346 (Å) squared
Connolly Molecular Area 360.435 (Å) squared 301.153 (Å) squared
Connolly Solvent-Excluded Area 307.909 (Å) cubed 244.895  (Å) cubed
Molecular Formula C21H24O6 C19H16O4
Molecular Weight 372.41 a.m.u 308.33 a.m.u
Bend Energy 17.923 Kcal/mol 8.163 Kcal/mol
Dipole-Dipole Energy 6.239 Kcal/mol 6.538 Kcal/mol
Non-1, 4 VDW Energy 8.751 Kcal/mol 1.065 Kcal/mol
Stretch Energy 5.041 Kcal/mol 7.567 Kcal/mol
Stretch-Bend- Energy -0.333 Kcal/mol -0.129 Kcal/mol
Torsion Energy -6.825 Kcal/mol -8.912 Kcal/mol
1, 4 VDW Energy 19.458 Kcal/mol 9.283 Kcal/mol
Table 1: Physicochemical properties of THC and BDC.