List of publications
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  1. Heard, G.L.; Marsden, C.J.; Scuseria, G.E. "The trifluoride anion: a difficult challenge for quantum chemistry"
    J. Phys. Chem. 1992, 96, 4359-4366

  2. Heard, G.L.; Frankcombe, K.E.; Yates, B.F. "A theoretical study of the Stevens rearrangement of methylammonium methylide and methylammonium formylmethylide" 
    Aust. J. Chem.
    1993, 46, 1375-1388

  3.  Heard, G.L.; Yates, B.F. "Theoretical studies of the Stevens rearrangement of alkylammonium ylides" 
    J. Mol. Struct. (Theochem)
    1994, 310, 197-204

  4. Heard, G.L.; Yates, B.F. "Steric and electronic effects on the mechanism of the Stevens rearrangement - large organic ylides of unusually high symmetry" 
    Aust. J. Chem.
    1994, 47, 1685-1694

  5. Heard, G.L.; Yates, B.F. "Theoretical evaluation of alternative pathways in the Stevens rearrangement" 
    Aust. J. Chem.
    1995, 48, 1413-1423

  6. Heard, G.L.; Yates, B.F. "A hybrid supermolecule-PCM approach to solvation - application to the mechanism of the Stevens Rearrangement" 
    J. Comp. Chem.
    1996, 17, 1444-1452

  7. Heard, G.L.; Yates, B.F. "Competing rearrangements of Ammonium Ylides: A quantum theoretical study" 
    J. Org. Chem.
    1996, 61, 7276-7284

  8. Heard, G.L.; Boyd, R.J. "Calculation of quadrupole moments of Polycyclic Aromatic Hydrocarbons: Applications to chromatography" 
    J. Phys. Chem. A.
    1997, 101, 5374-5377

  9. Heard, G.L.; Yates, B.F. "Rearrangement Reaction Mechanisms in Heterocyclic Chemistry" in Encyclopaedia of Computational Chemistry Wiley, 1998

  10. Heard, G.L. ; Boyd, R.J.  “Density functional theory studies of the quadrupole moments of benzene and naphthalene”  
    Chem. Phys. Lett.
     1997, 277, 252-256

  11. Gillespie, R.J. ; Bayles, D. ; Platts, J. ; Heard, G.L. ; Bader, R.F.W.  “The Lennard-Jones Function: A Quantitative Description of the Spatial Correlation of Electrons as Determined by the Exclusion Principle”  
    J. Phys. Chem. A.
      1998, 102, 3407-3414

  12. Gillespie, R.J. ; Robinson, E.A. ; Heard, G.L.  “Bonding in OCF3, ONF3 and Related Molecules: A Ligand Close Packed Model”  
    Inorg. Chem.  1998, 37, 6884

  13. Robinson, E.A. ; Heard, G.L. ; Gillespie, R.J.  "The Importance of Ligand-Ligand Interactions in Determining Molecular Geometry: The Ligand Close Packing Model"  
    J. Mol. Struct. 1999, 485, 305-319

  14. Heard, G.L.; Gillespie, R.J.;  Rankin, D.F.W.  "Ligand Close Packing and the Geometries of A(XY)4 molecules" 
    J. Mol. Struct.
      2000, 520(1-3), 237-248

  15. Bader, R. F. W.; Heard, G. L.  "The Mapping of the Conditional Pair Density onto the Electron Density"  
    J. Chem. Phys.  1999, 111(19), 8789-8798

  16. Rowsell, B. D.; Gillespie, R. J.; Heard, G. L.  "Ligand Close Packing and the Lewis Acidity of BF3" 
    Inorg. Chem.
    1999, 38(21), 4659-4662

  17. Mora-Diez, N.; Boyd, R. J.; Heard, G. L.  "Effects of Alkyl Substituents on the Excited States of Naphthalene: A Semi-empirical Study"
    J. Phys. Chem. A.  2000, 104(5), 1020-1029

  18. Bader, R. F. W.; Bayles, D.; Heard, G. L.  "Properties of Atoms in Molecules: Transition Probabilities"
    J. Chem. Phys.  2000, 112(23), 10095-10105

  19. Burgin, M. O.; Heard, G. L.; Martell, J. M.; Holmes, B. E.  "Unimolecular Reaction Kinetics of CF2ClCF2CH3 and CF2ClCF2CD3: Experimental Evidence for a Novel 1,2-FCl Rearrangement Pathway"
    J. Phys. Chem. A.  2001, 105(9), 1615-1621

  20. Heard, G. L.; Holmes, B. E.  "A 1,2-FCl Rearrangement as an Intermediate Step in the Unimolecular 1,3-HCl Elimination from Chlorofluoropropanes"
    J. Phys. Chem. A.  2001, 105(9), 1622-1625

  21. Molina, J.; Bader, R. F. W.; Heard, G. L.  "Recognizing a triple bond between main group atoms"  Theoretical Chemistry Accounts,  2001, 105(4-5), 365-373

  22. Beaver, M. R.; Heard, G. L.; Holmes, B. E. "Theoretical calculations of product percentage yields for the thermal decomposition of 2-chloro-1,1-difluoroethane." Tetrahedron Letters 2003, 44(39), 7265-7268

  23. Ferguson, J. D.; Johnson, N. L.; Kekenes-Huskey, P. M.; Everett, W. C.; Heard, G. L.; Setser, D. W.; Holmes, B. E.  "Unimolecular Rate Constants for HX or DX Elimination (X = F, Cl) from Chemically Activated CF3CH2CH2Cl, C2H5CH2Cl, and C2D5CH2Cl: Threshold Energies for HF and HCl Elimination." J. Phys. Chem. A. 2005, 109(20), 4540-4551
     
  24. Burgin, M. O.; Simmons, J. G., Jr.; Heard, G. L.; Setser, D. W.; Holmes, B. E. "Unimolecular Reactions of Vibrationally Excited CF2ClCHFCH3 and CF2ClCHFCD3: Evidence for the 1,2-FCl Interchange Pathway." J. Phys. Chem. A, 2007, 111(12), 2283-2292
     
  25. Beaver, M. R.; Simmons, J. G., Jr.; Heard, G. L.; Setser, D. W.; Holmes, B. E. "Unimolecular Reactions Including ClF Interchange of Vibrationally Excited CF2ClCHFCH2CH3 and CF2ClCHFCD2CD3." J. Phys. Chem. A 2007, 111(34), 8445-8455
     
  26. Lisowski, C. E.; Duncan, J. R.; Heard, G. L.; Setser, D. W.; Holmes, B. E. "Unimolecular Reactions of Chemically Activated CF2BrCF2CH3 and CF2BrCF2CD3: Evidence for 1,2-FBr Interchange." J. Phys. Chem. A, 2008, 112(3), 441-447
 

email: gheard@unca.edu

 Last modified: Tuesday, January 11, 2000