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Calculations made by Molecular Modeling Pro

Mass, size
  • Molecular weight.
  • Van der Waals volume (calculated with geometry)
  • Molar volume (van Krevelen type method)
  • Surface area (calculated with geometry)
  • Length, width, depth (current, maximum and minimum calculated by geometry)
  • Density (proprietary method for small molecules)
  • Mass Percent
Partition coefficients, hydrophobicity, solubility etc.
  • Log water octanol partition coefficient (5 methods, Fragment addition generally following the methods of Hansch and Leo, atom based generally following Ghose and Crippen, charge and atom based, and Q Log P after N. Bodor and P. Buchwald, J. Phys. Chem. B, 1997, 101: 3404-3412 and the Moriguchi method (1992) Chem. Pharm. Bull. 40:127)
  • HLB (hydrophilic lipophilic balance, proprietary method)
  • Hydrophilic surface area (proprietary method) - See paper describing the method
  • Percent hydrophilic surface area (proprietary method) - see paper describing the method
  • Polar surface area (J. Med. Chem. 43: 3714-3717)
  • Hydration number
  • Water solubility (after Klopman J. Chem. Inf. Comput. Sci. 32:474 and S. Yalkowsky, J. Pharm Sci., 70:971)
  • Olive oil gas partition coefficient (after Klopman J. Med. Chem. 43: 3714-3717)
  • Rule of Five (Lipinsky et. al., Advance Drug Delivery Reviews 23:3-25) for oral bioavailabilty and central nervous system uptake.
  • Veber et. al. (J. Med Chem. 45: 2615-2623) 2 component oral bioavailabilty
Properties used in QSAR
  • Sterimol properties (L1, B1, B2, B3, B4, B5 and 3 more)
  • Hammett Sigma (sigma para, meta, sigma induction (SIND), sigma star)(proprietary method)
  • MR (molar refractivity after Ghose and Crippen)
Dipole moment and other charge related properties
  • Dipole moment (Modified methods based on Del Re method: G. Del Re, J. Chem. Soc. 4031 (1958); D. Poland and H.A. Scheraga, Biochemistry 6: 3791 (1967); Coefficients modified in MAP 4.0 to take into account pi contributions ; PEOE method: J. Gasteiger and M. Marsili, Tetrahedron 36:3219 (1980); MPEOE (DQP) method: K.T. No, J.A. Grant and H.A. Scheraga, J. Phys. Chem. 94:4732 (1990) and K.T. No, J.A. Grant, M.S. Jhou and H.A. Scheraga, J. Phys. Chem. 94: 4740 (1990); J.M. Park, K.T. No, M.S. Jhou and H.A. Scheraga, J. Comp. Chem. 14:1482 (1993). Semi-empirical Quantum Mechanics methods in CNDO and MOPAC are alternative methods used by MMP to calculate dipole moment.
  • Partial charge (many methods - see Dipole moment)
  • Hydrogen bond acceptor and donor from charge calculations
Connectivity indices
  • Randic, Hall, Kier type connectivity indices 0-4
  • Randic, Hall, Kier type valence indices 0-4
  • Kier type Kappa shape index 2
  • Wiener index
  • Chemically Intuitive Molecular Index (F. Burden, Quant. Struct.-Act.Relat. 16:309-314 (1997))
  • Electrotopological indices and E State indices (L. H. Hall, Brian Mohney and L. B. Kier (1991) ; The Electrotopological State: Structure Information at the Atomic Level for Molecular Graphs, J. Chem. Inf. Comput. Sci., 31: 76 ; L. H. Hall, Brian Mohney and L. B. Kier (1991) "The Electrotopological State: An Atom Index for QSAR, Quant. Struc-Act. Relat., 10: 43)
  • Critical temperature, pressure and volume (after Joback and Reid)
  • Normal boiling and freezing point (after Joback and Reid)
  • Enthalpy of formation, ideal gas at 298 K (after Joback and Reid)
  • Gibbs energy of formation, ideal gas, unit fugacity at 298 K
  • Enthalpy of vaporization at the boiling point (after Joback and Reid)
  • Enthalpy of vaporization at the boiling point (after Joback and Reid)
  • Enthalpy of fusion (after Joback and Reid)
  • Liquid viscosity (after Joback and Reid)
  • Heat capacity, ideal gas (after Joback and Reid)
  • Effective number of torsional bonds (tau) (after S. Yalkowsky
  • Hydrogen Bond Number (after S. Yalkowsky
  • Entropy of boiling (after S. Yalkowsky
  • Effective number of torsional bonds (tau) (after S. Yalkowsky
  • Heat capacity change on boiling (after S. Yalkowsky
  • Vapor pressure (after S. Yalkowsky
  • Vapor pressure (after The Handbook of Chemical Property Estimation Methods)
  • Boiling point (after The Handbook of Chemical Property Estimation Methods)
  • Parachor (after The Handbook of Chemical Property Estimation Methods)

More properties are available through the MOPAC program included., such as heat of formation, ionization potential and many more.

Polymer and Surfactant properties
  • Solubility parameter
  • 3-D solubility parameters (dispersion, polarity and hydrogen bonding)
  • Water content of polymers at different relative humidities
  • Melt transition temperature
  • Glass transition temperature
  • Chain length (van Krevelen Z)
  • Surface tension of liquids
  • Surface tension in water
  • Molecular weight, molar volume, van der Waals volume, surface area (listed above)
  • HLB, hydrophilic surface area, % hydrophilic surface area (listed above)
  • Molecular formula
  • SMILES notation