| Ikerbasque Research Professor |
. Contact Details: Address: Kimika Fakultatea, Euskal Herriko Unibertsitatea PK 1072, 20080 Donostia, Spain http://www.ehu.es/chemistry/theory/mario.piris/ http://www.ikerbasque.net/mario.piris
|
Main Research Interest
Reduced-Density-Matrix Mechanics
Natural Orbital Functional Theory
Professional Experience
- 2005-2010: Researcher (Investigador Doctor), Euskal Herriko Unibertsitatea, Spain
- 2003-2005: Researcher (Wissenschaftlicher Mitarbeiter), Erlangen University, Germany
- 2000-2003: Full Professor, InSTEC, Cuba
- 1997-2000: Associate Professor, InSTEC, Cuba
- 1997: Ph.D., Havana University, Cuba
- 1993-1997: Assistant Professor, InSTEC, Cuba
- 1988-1993: Instructor of Mathematical Physics, InSTEC, Cuba
- 1988: M.Sc. (Physics and Mathematics), Moscow University
52. J. M. Matxain, M. Piris, J. M. Mercero, X. Lopez, J. M. Ugalde, “sp3 hybrid orbitals and ionization energies of methane from PNOF5″, Chem. Phys. Lett. (2012).
51. M. Piris, “A natural orbital functional based on an explicit approach of the two-electron cumulant”, Int. J. Quantum Chem. (2012).
50. J. M. Matxain, M. Piris, F. Ruipérez, X. Lopez, J. M. Ugalde, “Front cover article: Homolytic molecular dissociation in natural orbital functional theory”, Phys. Chem. Chem. Phys. 13, 20129 (2011).
49. M. Piris, X. Lopez, F. Ruipérez, J. M. Matxain, J.M. Ugalde, “A natural orbital functional for multiconfigurational states”, J. Chem. Phys. 134, 164102 (2011).
48. X. Lopez, M. Piris, J. M. Matxain, F. Ruipérez, J. M. Ugalde, “Natural orbital functional theory and reactivity studies of diradical rearrangements : ethylene torsion as a case study”, ChemPhysChem. 12, 1673 (2011).
47. E. Jimenez, J. M. Matxain, M. Piris, J. M. Ugalde, “Thermal stability of endohedral first-row transition-metal TM@ZniSi structures, i=12, 16″, Journal of Physical Chemistry C 115, 7829 (2011).
46. X. Lopez, F. Ruipérez, M. Piris, J. M. Matxain, J. M. Ugalde, “Diradicals and diradicaloids in Natural Orbital Functional Theory ”, ChemPhysChem. 12, 1061 (2011).
45. M. Piris, J. M. Matxain, X. Lopez, J. M. Ugalde, “Communications: The role of the positivity N-representability conditions in Natural Orbital Functional Theory”, J. Chem. Phys. 133, 111101 (2010).
44. J. M. Matxain, M. Piris, X. Lopez, J. M. Ugalde, “Complete Basis Set Calculations by PNOF3”, Chem. Phys. Lett. 499, 164 (2010).
43. X. Lopez, M. Piris, J. M. Matxain, J. M. Ugalde, “Front cover article: Performance of PNOF3 for reactivity studies: X[BO] and X[CN] isomerization reactions (X=H,Li) as a case study”, Phys. Chem. Chem. Phys. 12, 12931, (2010).
42. E. Jimenez, J.M. Matxain, M. Piris, J.M. Ugalde, “Structure and stability of the endohedrally doped (X@CdS), X= Na, K, Cl, Br, nanoclusters”, Journal of Physical Chemistry C 114, 2476 (2010).
41. M. Piris, J.M Matxain, X. Lopez, J.M. Ugalde, “Communications: Accurate description of atoms and molecules by natural orbital functional theory”, Journal of Chemical Physics 132,
031103 (2010).
40. M. Piris, J.M Matxain, X. Lopez, J.M. Ugalde, “Communications: Spin conserving natural orbital functional theory”, Journal of Chemical Physics 131, 021102 (2009).
39. J. Mercero, M. Piris, J.M. Matxain, X. Lopez, J.M. Ugalde, “Sandwich Complexes of the Metalloaromatic eta3Al3R3 Ligand”, Journal of American Chemical Society 131, 6949 (2009).
38. J.M. Matxain, M. Piris, X. Lopez, J.M. Ugalde, “Thermally Stable Solids Based on Endohedrally Doped Inorganic Fullerenes”, Chemistry A European Journal 15, 5138 (2009).
37. M. Piris, J.M. Ugalde, “Iterative diagonalization for orbital optimization in the Natural Orbital
Functional Theory”, Journal of Computational Chemistry 30, 2078 (2009).
36. J.M. Matxain, E. Formoso, J.M. Mercero, M. Piris, X. Lopez, J.M. Ugalde, “Magnetic
Endohedral TrasitionMetalDoped Semiconducting nanoclusters”, Chemistry A European
Journal 14, 8547 (2008).
35. M. Piris, J.M. Matxain and J.M. Ugalde, “Piris natural orbital functional study of the
dissociation of the radical helium dimer”, Journal of Chemical Physics 129, 014108 (2008).
34. M. Piris, X. Lopez, and J.M. Ugalde, “Electronpair density relaxation holes”, Journal of
Chemical Physics 128, 214105 (2008).
33. M. Piris, X. Lopez, and J.M. Ugalde, “Correlation holes for the helium dimer”, Journal of
Chemical Physics 128, 134102 (2008).
32. M. Piris, X. Lopez, and J.M. Ugalde, “Natural orbital functional description of van der Waals
interactions. A case study of the effects of the basis set for the helium dimer”, International
Journal of Quantum Chemistry 108, 1660 (2008).
31. J.M. Matxain, X. Lopez, M. Piris, J.M. Ugalde, “Endohedral Stannaspherenes: Mn@Sn12 and
its dimer. Ferromagnetic or antiferromagnetic?”, ChemPhysChem 8, 2096 (2007).
30. J.M. Matxain, L.A. Eriksson, J.M. Mercero, X. Lopez, M. Piris, J.M. Ugalde, J. Poater, E.
Matito, M. Sola, “New solids based on B12N12 fullerenes”, Journal of Physical Chemistry C
111, 13354 (2007).
29. M. Piris, X. Lopez, J.M. Ugalde, “Dispersion interactions within the PNOF theory: the helium
dimer”, Journal of Chemical Physics 126, 214103 (2007).
28. J.M. Matxain, L.A. Eriksson, E. Formoso, M. Piris, J.M. Ugalde, “Endohedral (X@ZniSi)0,+/
i=4,16 Nanoclusters, X=Li, Na, K, Cl, Br”, Journal of Physical Chemistry C 111, 3560 (2007).
27. M. Piris, “Natural Orbital Functional Theory” in Reduced-Density-Matrix Mechanics: With
Applications to Manyelectron Atoms and Molecules, edited by D. A. Mazziotti, Advances in
Chemical Physics, Volume 134, Chapter 14, Wiley, New York, April 2007, ISBN: 9780471
790563.
26. P. Leiva, M. Piris, “Description of highspin restricted openshells with the Piris Natural Orbital Functional”, International Journal of Quantum Chemistry 107, 1 (2007).
25. P. Leiva, M. Piris, “Calculation of vertical ionization potentials with the Piris Natural Orbital
Functional”, Journal of Molecular Structure: THEOCHEM 770, 45 (2006).
24. M. Piris, “A new approach for the Two-Electron Cumulant in Natural Orbital Functional theory”, International Journal of Quantum Chemistry 106, 1093 (2006).
23. P. Leiva, M. Piris, “Assessment of a new approach for the twoelectron cumulant in natural
orbitalfunctional theory”, Journal of Chemical Physics 123, 214102 (2005).
22. P. Leiva, M. Piris, “A Natural Orbital Functional study for the electric response properties of
molecules”, Journal of Theoretical and Computational Chemistry 4, 1165 (2005).
21. P. Leiva, M. Piris, “Natural orbital functional theory: Ionization Potentials, Equilibrium
Geometries and Vibrational Frequencies”, Journal of Molecular Structure: THEOCHEM 719,
63 (2005).
20. M. Piris, P. Otto, “Natural Orbital Functional for correlation in Polymers”, International
Journal of Quantum Chemistry 102, 90 (2005).
19. M. Piris, “Natural orbital functional theory: Molecules and Polymers”, Recent Research
Developments in Quantum Chemistry 4, 4369, ISBN: 8178951398, Transworld Research
Network, Kerala, India (2004).
18. P. Otto, M. Piris, A. Martinez, J. Ladik, “Dynamic (hyper)polarizability calculations for
polymers with linear and cyclic pconjugated elementary cells”, Synthetic Metals 141, 277
(2004).
17. M. Piris, A. Martinez and P. Otto, “A natural orbital functional approach: Calculation of
dielectric properties in molecules”, International Journal of Quantum Chemistry 97, 827
(2004).
16. M. Piris, “Second Cuantization for Fermions”, in Introduction to Advanced Topics in
Computational Chemistry, L. Montero, L.A. Díaz and R. Bader (Eds.), ISBN: 9591602332,
23, Havana, Cuba (2003).
15. M. Piris, P. Otto, “A one-particle density matrix functional for correlation in molecular
systems”, International Journal of Quantum Chemistry 94, 317 (2003).
14. M. Sosa-Albertus, M. Piris, “Conformational analysis of 3,3-disubstituted benzoylthioureas
using Xray diffraction and ab anitio calculations”, Journal of Molecular Structure 598, 261
(2001).
13. M. Sosa, M. Piris, G. Burton, “3,3-Dimethylacylthioureas: ”S”, ”S”, ”U” or ”W” Conformation?”, Molecules 5, 445 (2000).
12. M. Piris, P. Otto, “The Improved BCS Method in Polymers”, Journal of Chemical Physics 112, 8187 (2000).
11. M. Sosa, M. Piris, “Estudio estructural de aciltioureas 3,3-dimetilsustituidas”, Revista Cubana de Química Vol. 11, No.3, 51 (1999).
10. M. Piris, “Física Cuántica”, ISBN: 9597136112, Editorial ISCTN, La Habana, Cuba (1999).
9. M. Piris, “A generalized selfconsistentfield procedure in the Improved BCS theory”, Journal of Mathematical Chemistry 25, 47 (1999).
8. M. Piris, R. Cruz, “Método de HFB en la correlación molecular”, Revista Cubana de Física 15,
3 (1998).
7. M. Piris, “Analytic Gradients in the Improved BCS Method”, Journal of Mathematical
Chemistry 23, 399 (1998).
6. M. Piris, L.A. Montero, N. Cruz, “The BCS approach to electron correlation in the density
matrix formalism”, Journal of Chemical Physics 107, 180 (1997).
5. M. Piris, R. Cruz, “A BCS approach to molecular correlation”, International Journal of
Quantum Chemistry 53, 353 (1995).
4. R. Capote, M. Piris, R. Pedrosa, “One and Two Quasiparticle State Densities in the ESM:
Combinatorial Approach vs. Exact Results”, Proceedings of the International Conference on
Nuclear Data for Science and Technology, Editor J.K. Dickens 1, 490 (1994).
3. R. Capote, E. Herrera, R. Lopez, V. Osorio, M. Piris, “Analysis of experimental data on neutroninduced reactions and development of PCROSS code for the calculation of differentialpreequilibrium spectra”, INDC247 report, International Atomic Energy Agency (1991).
2. R. Capote, E. Herrera, R. Lopez, V. Osorio, M. Piris, “Analysis of experimental data on
neutroninduced reactions and development of PCROSS code for the calculation of differential
preequilibrium emission spectra with modelling of level density function”, INDC004 report,
International Atomic Energy Agency (1991).
1. V.V. Voronov, M. Piris, V.Y. Ponomarev, “Decay of Giant Resonances”, Journal
of Nuclear Physics 51, 49 (1990).
Congresses & Scientific Meetings
2012
- Can NOFT bridge the gap between DFT and WFT?
M. Piris, J.M. Matxain, F. Ruipérez, X. Lopez, J. M. Ugalde
Kathmandu 2012 Workshop on Theoretical Chemistry, Kathmandu, Nepal (Invited talk)
- Density Matrix Functional Theory of the Molecular Electronic Structure
M. Piris, J.M. Matxain, F. Ruipérez, X. Lopez, J. M. Ugalde
Symposium Challenges in Density Matrix and Density Functional Theory, Ghent, Belgium (Invited talk)
- NOF theory approach to strong electron correlation in chemistry
M. Piris, J.M. Matxain, F. Ruipérez, X. Lopez, J. M. Ugalde
The 52nd Sanibel Symposium, St. Simons Island, Georgia, USA (Invited talk)
2011
- Chemical accuracy in NOF theory
M. Piris, J.M. Matxain, F. Ruipérez, X. Lopez, J. M. Ugalde
XXXVII Congreso de Químicos Teóricos de Expresión Latina (QUITEL), Riviera Maya, Mexico (Invited talk)
- Towards chemical accuracy in natural orbital functional theory
M. Piris, X. Lopez, J.M. Matxain, F. Ruipérez, J. M. Ugalde
14th Intern. Conf. on the Applic. of Density Functional Theory in Chemistry and Physics (DFT 2011), Athens, Greece (Talk)
- Natural Orbital Functional Theory and Implementation
M. Piris, X. Lopez, J.M. Matxain, F. Ruipérez, J. M. Ugalde
Ninth Triennial Congress of the WORLD ASSOCIATION OF THEORETICAL AND COMPUTATIONAL CHEMISTS (WATOC), Santiago de Compostela, Spain (Invited talk)
- Theoretical Foundations of PNOF
M. Piris, X. Lopez, J. M. Matxain, F. Ruipérez, J. M. Ugalde
Ninth Triennial Congress of the WORLD ASSOCIATION OF THEORETICAL AND COMPUTATIONAL CHEMISTS (WATOC), Santiago de Compostela, Spain (Poster)
- From the IBCS method to the NOF theory.
M. Piris, X. Lopez, J. M. Matxain, F. Ruipérez, J. M. Ugalde
8th Seminars of Advanced Studies on Molecular Design and Bioinformatics: Light and Molecules (SEADIM 8), Universidad de la Habana, Cuba (Invited talk)
- Application of Natural Orbital Functional Theory to the description of Reactive Oxygen Species
M. Piris, J. M. Matxain, F. Ruipérez, X. Lopez and J. M. Ugalde
5th Symposium on Theoretical Biophysics (THEOBIO), Madeira, Portugal (Poster)
