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List of works by Ricardo O Freire

A Eu(III) tetrakis(β-diketonate) dimeric complex: photophysical properties, structural elucidation by Sparkle/AM1 calculations, and doping into PMMA films and nanowires

scientific article published on 28 July 2014

Are the Absorption Spectra of Doxorubicin Properly Described by Considering Different Tautomers?

scientific article published on 09 January 2020

Chemical Partition of the Radiative Decay Rate of Luminescence of Europium Complexes.

scientific article published on 19 February 2016

Estimating the Individual Spectroscopic Properties of Three Unique EuIII Sites in a Coordination Polymer

scientific article published on 28 November 2018

Europium Luminescence: Electronic Densities and Superdelocalizabilities for a Unique Adjustment of Theoretical Intensity Parameters

scientific article published on 2 September 2015

LUMPAC lanthanide luminescence software: Efficient and user friendly.

scientific article

Lanthanide complex coordination polyhedron geometry prediction accuracies of ab initio effective core potential calculations

scientific article published on 08 February 2006

Lanthanide complexes with aromatic o-phosphorylated ligands: synthesis, structure elucidation and photophysical properties

scientific article published on 01 February 2014

Modeling lanthanide complexes: Sparkle/AM1 parameters for ytterbium (III)

scientific article published on 01 November 2005

Modeling, structural, and spectroscopic studies of lanthanide-organic frameworks

scientific article published on 01 September 2009

Mononuclear lanthanide(iii)-oxamate complexes as new photoluminescent field-induced single-molecule magnets: solid-state photophysical and magnetic properties

scientific article published on 04 August 2020

New homotrinuclear lanthanide complexes: synthesis, characterization and spectroscopic study

scientific article published on 01 September 2010

On the Use of Ligand Field Parameters in the Study of Coordinated Water Molecules in Eu3+Complexes

scientific article published on 01 May 2005

Parameters for the RM1 Quantum Chemical Calculation of Complexes of the Trications of Thulium, Ytterbium and Lutetium

scientific article

RM1 Model for the Prediction of Geometries of Complexes of the Trications of Eu, Gd, and Tb

scientific article published on 25 June 2014

RM1: a reparameterization of AM1 for H, C, N, O, P, S, F, Cl, Br, and I

scientific article (publication date: 30 July 2006)

Semiempirical quantum chemistry model for the lanthanides: RM1 (Recife Model 1) parameters for dysprosium, holmium and erbium.

scientific article published on 31 January 2014

Separation of glycosidic catiomers by TWIM-MS using CO2 as a drift gas.

scientific article

Sparkle model for AM1 calculation of lanthanide complexes: improved parameters for europium

scientific article published on 01 April 2004

Sparkle model for the calculation of lanthanide complexes: AM1 parameters for Eu(III), Gd(III), and Tb(III).

scientific article

Sparkle/AM1 Parameters for the Modeling of Samarium(III) and Promethium(III) Complexes

scientific article published on 01 January 2006

Sparkle/AM1 Structure Modeling of Lanthanum (III) and Lutetium (III) Complexes

scientific article published on 01 May 2006

Sparkle/PM3 Parameters for the Modeling of Neodymium(III), Promethium(III), and Samarium(III) Complexes

scientific article published on 01 July 2007

Sparkle/PM6 Parameters for all Lanthanide Trications from La(III) to Lu(III)

scientific article published on 22 June 2010

Sparkle/PM7 Lanthanide Parameters for the Modeling of Complexes and Materials.

scientific article published on August 2013

Spectroscopic Study of a UV-Photostable Organic-Inorganic Hybrids Incorporating an Eu3+ β-Diketonate Complex

scientific article published on 01 March 2006

Structure modeling of trivalent lanthanum and lutetium complexes: Sparkle/PM3

scientific article published on 17 May 2007

Synthesis and characterization of the europium(III) pentakis(picrate) complexes with imidazolium countercations: structural and photoluminescence study

scientific article published on 14 November 2012

Synthesis, Crystal Structure, and Modelling of a New Tetramer Complex of Europium

scientific article published on 12 July 2007

Tb3+→Eu3+ Energy Transfer in Mixed-Lanthanide-Organic Frameworks

Theoretical and experimental spectroscopic approach of fluorinated Ln(3+)-beta-diketonate complexes.

scientific article published on August 2010

Theoretical and experimental studies of the photoluminescent properties of the coordination polymer [Eu(DPA)(HDPA)(H2O)2].4H2O.

scientific article

Theoretical methodologies for calculation of Judd-Ofelt intensity parameters of polyeuropium systems

scientific article published on 11 December 2013

Theoretical spectroscopic study of europium tris(bipyridine) cryptates

scientific article published on 19 April 2012

Tuning of the excitation wavelength from UV to visible region in Eu(3+)-β-diketonate complexes: comparison of theoretical and experimental photophysical properties

scientific article published on 15 February 2011

Unusual photoluminescence properties of the 3D mixed-lanthanide-organic frameworks induced by dimeric structures: a theoretical and experimental approach

scientific article published in July 2014

Would the pseudocoordination centre method be appropriate to describe the geometries of lanthanide complexes?

scientific article published on 30 November 2010

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