Publications
- 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).
- 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).
- 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).
- Ruben D. Parra, Kenichiro Koga, Hideki Tanaka, and X.C. Zeng, "Energetic Stability of Quasi-One Dimensional Ice Nanotubes", in preparation.
- 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).
- 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)
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).