Publications

  1. Ruben D. Parra, Huaqiang Zeng, Jin Zhu, Cong Zheng, Xiao Cheng Zeng, and Bing Gong, "Stable Three-Center Hydrogen Bonding in a Partially Rigidified Structure", Euro. J. Chem., vol. 7, 4351, (2001).
  2. Ruben D. Parra, Makoto Furukawa, Bing Gong, and X.C. Zeng, "Energetics and Cooperativity in Three-Center Hydrogen Bonding Interactions: I. Diacetamide-X Dimers, (X=HCN, CH3OH)", J. Chem. Phys., vol. 115, 6030 (2001).
  3. Ruben D. Parra, Bing Gong, and X.C. Zeng, "Energetics and Cooperativity in Three-Center Hydrogen Bonding Interactions: II. Intramolecular Hydrogen Bonding Systems", J. Chem. Phys., vol. 115, 6036 (2001).
  4. Ruben D. Parra, Kenichiro Koga, Hideki Tanaka, and X.C. Zeng, "Energetic Stability of Quasi-One Dimensional Ice Nanotubes", in preparation.
  5. Kenichiro Koga, Ruben D. Parra, Hideki Tanaka, and X.C. Zeng, "Ice nanotube: What does the unit cell look like?", J. Chem. Phys. vol. 113, 5037-5040 (2000).
  6. Jin Zhu, Ruben D. Parra, Huaqiang Zeng, Ewa Skrzypczak-Jankun, Xiao Cheng Zeng, and Bing Gong, "A New Class of Folding Oligomers: Crescent Oligoamides", J. Am. Chem. Soc., vol. 122, 4219-4220 (2000). This paper has been featured in C&EN (p52, May 1, 2000)
  7. Ruben D. Parra and X. C. Zeng, "Basis set effects on the intermolecular interaction of the CF4-CF4 system", J. Mol. Struct. (Theochem), vol 503, 213-220 (2000).
  8. Ruben D. Parra and X. C. Zeng, "Hydrogen bonding and cooperative effects in mixed dimers and trimers of methanol and trifluoromethanol: An ab initio study", J. Chem. Phys. vol. 110, 6329 (1999).
  9. William E. Doering, Ruben D. Parra, X. C. Zeng, "Cooperativity effects in cyclic trifluoromethanol trimer: an ab initio study", J. Mol. Struct. (Theochem), vol. 431, 119-126 (1998).
  10. Ruben D. Parra, X. C. Zeng, "Rotational Barrier for 1,1-Difluoroethane, 1,1,1,2-Tetrafluoroethane, Pentafluoroethane and Hexafluoroethane: A Density Functional and ab initio Molecular Orbital Study", J. Phys. Chem. A, vol. 102, 654-658 (1998).
  11. Ruben D. Parra, X. C. Zeng, "Staggered and eclipsed conformations of C2F6: A systematic ab initio study", J. Fluorine Chem., vol. 83, 51-60 (1997).
  12. Gustavo Larsen, Zohair K. Ismail, Bruno Herreros, Ruben D. Parra, "Benzene/tert-Butyl Alcohol Interactions. 1. A Theoretical and Experimental Study", J. Phys. Chem. A, vol. 102, 4734-4741 (1998).
  13. Gustavo Larsen, Edgar Lotero, Ruben D. Parra, "Tungsta and Platinum-Tungsta Supported on Zirconia Catalysts for Alkane Isomerization", 11th International Congress on Catalysis - 40th Anniversary Studies in Surface Science and Catalysis, Vol. 101, 543-551 (1996).
  14. Gustavo Larsen, Edgar Lotero, Ruben D. Parra, Lucia M. Petkovic, Hugo S. Silva, Srinivalnallur Raghavan, "Characterization of palladium supported on sulfated zirconia catalysts by DRIFTS, XAS and n-butane isomerization reaction in the presence of hydrogen", Applied Catalysis A: General vol. 130, 213-226 (1995).
  15. Gustavo Larsen, Edgar Lotero, Srinivalnallur Raghavan, Ruben D. Parra, Carlos A. Querini, "A Study of Platinum Supported on Tungstated Zirconia Catalyst", Applied Catalysis A: General vol. 139, 201-211 (1996).
  16. Lucia M. Petkovic, Ruben D. Parra, Manuel Marquez, Gustavo Larsen, "Molibdenum Acetate as a Precursor of Molibdenum Carbide Supported on Aluminum: A Catalyst for Hydrogen Reactions", Revista Colombiana de Quimica, vol. 23, 43-55 (1994).