Polarization propagators: A powerful theoretical tool for a deeper understanding of NMR spectroscopic parameters
…, RH Romero, AF Maldonado - International Reviews in …, 2010 - Taylor & Francis
Magnetic molecular spectroscopic properties, like NMR J-coupling and magnetic shielding σ,
have been studied by non-relativistic quantum methods since their discovery. When they …
have been studied by non-relativistic quantum methods since their discovery. When they …
The UKB prescription and the heavy atom effects on the nuclear magnetic shielding of vicinal heavy atoms
AF Maldonado, GA Aucar - Physical Chemistry Chemical Physics, 2009 - pubs.rsc.org
Fully relativistic calculations of NMR magnetic shielding on XYH3 (X = C, Si, Ge and Sn; Y =
Br, I), XHn (n = 1–4) molecular systems and noble gases performed with a fully relativistic …
Br, I), XHn (n = 1–4) molecular systems and noble gases performed with a fully relativistic …
Relativistic and electron-correlation effects on the nuclear magnetic resonance shieldings of molecules containing tin and lead atoms
AF Maldonado, GA Aucar - The Journal of Physical Chemistry A, 2014 - ACS Publications
The reference values for NMR magnetic shieldings, σ ref , are of the highest importance
when theoretical analysis of chemical shifts are envisaged. The fact that the nonrelativistically …
when theoretical analysis of chemical shifts are envisaged. The fact that the nonrelativistically …
Relativistic effects on group-12 metal nuclear shieldings
J Roukala, AF Maldonado, J Vaara, GA Aucar… - Physical Chemistry …, 2011 - pubs.rsc.org
The leading-order perturbation theory approach to relativistic effects on the nuclear
magnetic shielding provides an economic method for obtaining the chemical shifts in heavy-element …
magnetic shielding provides an economic method for obtaining the chemical shifts in heavy-element …
Foundations of the LRESC model for response properties and some applications
Accurate calculations of some response properties, like the NMR spectroscopic parameters,
are quite exigent for the theoretical quantum chemistry models together with the …
are quite exigent for the theoretical quantum chemistry models together with the …
Microsolvation of methylmercury: structures, energies, bonding and NMR constants (199 Hg, 13 C and 17 O)
Hartree–Fock (HF) and second order perturbation theory (MP2) calculations within the scalar
and full relativistic frames were carried out in order to determine the equilibrium geometries …
and full relativistic frames were carried out in order to determine the equilibrium geometries …
Theoretical developments and applications of polarization propagators
GA Aucar, AF Maldonado, MDA Montero… - … Journal of Quantum …, 2019 - Wiley Online Library
The Argentinian studies of response properties by applying polarization propagators started
more than 35 years ago. It began when the research group led by Professor Ruben …
more than 35 years ago. It began when the research group led by Professor Ruben …
… ligand-dependent relativistic corrections to the nuclear magnetic shieldings in MH4−n Y n (n = 0–4; M = Si, Ge, Sn, and Y = H, F, Cl, Br, I …
The nuclear magnetic shieldings of Si, Ge, and Sn in MH 4−n Y n (M = Si, Ge, Sn; Y = F, Cl,
Br, I and n = 1–4) molecular systems are highly influenced by the substitution of one or more …
Br, I and n = 1–4) molecular systems are highly influenced by the substitution of one or more …
NMR Magnetic Shielding in Transition Metal Compounds Containing Cadmium, Platinum, and Mercury
AD Zapata-Escobar, AF Maldonado… - Magnetochemistry, 2023 - mdpi.com
In this article, we delve into the intricate behavior of electronic mechanisms underlying NMR
magnetic shieldings σ in molecules containing heavy atoms, such as cadmium, platinum, …
magnetic shieldings σ in molecules containing heavy atoms, such as cadmium, platinum, …
Coordination of Mercury(II) in Water Promoted over Hydrolysis in Solvated Clusters [Hg(H2O)1–6](aq)2+: Insights from Relativistic Effects and Free Energy Analysis
…, Y Chamorro, AF Maldonado - The Journal of …, 2023 - ACS Publications
Understanding the nature of the interaction between mercury(II) ions, Hg 2+ , and water
molecules is crucial to describe the stability and chemical behavior of structures formed during …
molecules is crucial to describe the stability and chemical behavior of structures formed during …