Molecular magnetism
Molecular magnetism
and excited states
Q²M³ is a research group at UFRRJ’s Department of Fundamental Chemistry. We study molecular magnetism, photophysics and spin dynamics.
Group photograph
Q²M³ · UFRRJ · Photograph to follow.
Recent academic activities
2026
7 Oct 2026
6th PPGQ/UERJ Workshop
Four-hour online course on ab initio molecular dynamics with ORCA.
28 Sep – 2 Oct 2026
BMOS 2026
Coauthored poster on vinyl aryl sulfides, photophysics and theoretical insights.
13–16 Sep 2026
BMIC 2026
Invited lecture on magnetic anisotropy and coauthored posters.
26–30 Jan 2026
XII Virtual Winter School on Computational Chemistry
Organizing team member.
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Research areas
Molecular magnetism
Exchange interactions and magnetic anisotropy.
Excited states
Photophysics and spectroscopy.
Methods and software
Electronic-structure calculations and research tools.
Publications
Journal articles coauthored by Henrique de Castro, 2017–2026.
3 of 37 journal articles shown
2026
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The Weak Visible n → π* Transition of CF3NO: Vertical Accuracy versus Spectral Agreement
ACS Omega · 2026 Online first
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Structural and photophysical properties of a two-dimensional europium(III) coordination network with a diyne-based ligand
Journal of Molecular Structure · 1352, 144560 · 2026
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From the blog
Notes on chemistry, methods and research.
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The Strange, Pragmatic Birth of B3LYP
The story of a five-course lunch, three empirical parameters, a missing correlation functional, and a computational method that changed quantum chemistry.
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Our paper was selected as the cover for this issue of the Journal of the Brazilian Chemical Society
This work, published by the Journal of the Brazilian Chemical Society, delves into the luminescent and magnetic properties of a series of lanthanide complexes, with experiment and theory!…
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Plotting molecular electrostatic potential surfaces (MEPS) with ORCA
The orca_vpot program calculates the electrostatic potential for a set of points provided by the user. But it can be boring or hard. here is how you can…
