Institut de Química Teòrica i Computacional (IQTCUB)

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Els materials de recerca de la Universitat de Barcelona (UB) a RECERCAT s'obtenen de les col·leccions de Recerca del Dipòsit Digital de la UB.
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Política d’accés obert a la UB


Publicacions en accés obert derivades de l'activitat investigadora del professorat de la Universitat de Barcelona.

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Llista ítems afegits recenment

Multi-Modal Constrastive Learning for Chemical Structure Elucidation with VibraCLIP 

Rocabert Oriols, Pau; Lopez, Noelia; Heras-Domingo, Javier; Lo Conte, Camilla (Publication date: 2026-03-19)

Identifying molecular structures from vibrational spectra is central to chemical analysis but remains challenging due to spectral ambiguity and the limitations of single-modality methods. While deep learning has advanced ...

Transfer learning based on atomic feature extraction for the prediction of experimental <sup>13</sup>C chemical shifts 

Ivković, Žarko; Jover Modrego, Jesús; Harvey, Jeremy (Publication date: 2026-03-02)

Forecasting experimental chemical shifts of organic compounds is a long-standing challenge in organic chemistry. Recent advances in machine learning (ML) have led to routines that surpass the accuracy of ab initio Density ...

Time-optimal control of a solid-state spin amidst dynamical quantum wind 

Albareda, Guillermo; Guo, Guang-Can; Sun, Fang-Wen; Dong, Yang; Jiang, Wang; Gao, Xue-Dong; Yu, Cui; Liu, Yong; Zhang, Shao-Chun; Chen, Xiang-Dong; Moreira, Ibério de Pinho Ribeiro; Bofill i Villà, Josep M.; Sentis, Gael; Ramos, Ramon (Publication date: 2026-01-22)

Time-optimal control holds promise across the full spectrum of quantum technologies, where the rapid generation of unitary gates and state transformations is crucial to mitigate decoherence effects. In practical scenarios, ...

On the role of dynamic electron correlation in non-orthogonal configuration interaction with fragments 

Sanchez-Mansilla, Aitor; Sousa Romero, Carmen; Kathir, R. K.; Broer, Ria; Straatsma, T. P.; de Graaf, Coen (Publication date: 2026-01-16)

Two different approaches have been implemented to include the effect of dynamic electron correlation in the Non-Orthogonal Configuration Interaction for Fragments (NOCI-F) method. The first is based on shifting the diagonal ...

Exploring the photoactive properties of promising MXenes for water splitting 

Ontiveros Cruz, Diego; Viñes Solana, Francesc; Sousa Romero, Carmen (Publication date: 2026-01-09)

The photoactive properties and effectiveness of a selected group of ten terminated MXenes—Sc2CT2, Y2CT2 (T = Cl, Br, S, and Se), Y2CI2 and Zr2CO2—has been deeply studied by means of density functional theory (DFT). Here ...

Computational Study of a Copper-Catalyzed Synthesis of Fluoroalcohols from Alkylboranes and Ketones 

Gómez-Mudarra, Francisco A.; Aullón López, Gabriel; Jover Modrego, Jesús (Publication date: 2025-11-05)

Fluoroalcohols are a class of organic compounds containing one or more fluorine atoms together with an alcohol group in their molecular structure. These fluorinated species have a wide range of applications due to their ...

Determining the chemical ordering in nanoalloys by considering atomic coordination types 

Farris, Riccardo; Neyman, Konstantin M.; Bruix Fusté, Albert (Publication date: 2025-07-16)

The energetically most favorable chemical ordering of bimetallic nanoparticles can be characterized by combining global optimization algorithms and surrogate energy models. The latter approximate the energy of nanoalloys ...

Contrasting Metallic (Rh0) and Carbidic (2D-Mo2C MXene) Surfaces in Olefin Hydrogenation Provides Insights on the Origin of the Pairwise Hydrogen Addition 

Meng, Ling; Pokochueva, Ekaterina; Chen, Zixuan; Fedorov, Alexey; Viñes Solana, Francesc; Illas i Riera, Francesc; Koptyug, Igor V. (Publication date: 2025-07-24)

Kinetic studies are vital for gathering mechanistic insights into heterogeneously catalyzed hydrogenation of unsaturated organic compounds (olefins), where the Horiuti–Polanyi mechanism is ubiquitous on metal catalysts. ...

Ferrofluid-based bioink for 3d printed skeletal muscle tissues with enhanced force and magnetic response 

Fuentes Llanos, Judith; Guix Noguera, Maria; Cenev, Zoran M.; Bakenecker, Anna; Ruiz González, Noelia; Beaune, Grégory; Timonen, Jaakko V. I.; Sánchez Ordóñez, Samuel; Magdanz, Veronika (Publication date: 2025-08-01)

3D printing has emerged as a transformative technology in several manufacturing processes, being of particular interest in biomedical research for allowing the creation of 3D structures that mimic native tissues. The process ...

A Cartesian encoding graph neural network for crystal structure property prediction: application to thermal ellipsoid estimation 

Sole Gomez, Jaume Alexandre; Mosella-Montoro, Albert; Cardona, Joan; Gómez Coca, Silvia; Aravena Ponce, Daniel Alejandro; Ruiz Sabín, Eliseo; Ruiz-Hidalgo, Javier (Publication date: 2025-07-21)

In the diffraction resolution of crystal structures, thermal ellipsoids are a critical parameter that is usually more difficult to determine than atomic positions. These ellipsoids are quantified through Anisotropic ...

Electronic engineering of a tetrathiafulvalene charge-transfer salt via reduced symmetry induced by combined substituents 

Kiyota, Y.; Jeon, I.-R.; Jeannin, O.; Beau, M.; Kawamoto, T.; Alemany i Cahner, Pere; Canadell, Enric, 1950-; Mori, T.; Fourmigué, M. (Publication date: 2022-03-22)

A 1 : 1 metallic charge-transfer salt is obtained by cosublimation of (Z,E)-(SMe)2Me2TTF and TCNQ. X-ray diffraction studies confirm the formation of segregated stacks comprising donor and acceptor molecules in ...

On-surface magnetocaloric effect for a Van der Waals Gd(III) 2D MOF grown on Si 

Hill, Stephen; Kumar, Subodh; Gabarró Riera, Guillem; Arauzo, Ana; Hrubý, Jakub; Bogani, Lapo; Rubio-Zuazo, Juan; Jover Modrego, Jesús; Bartolomé, Elena; Sañudo Zotes, Eva Carolina (Publication date: 2025-04-15)

Gd complexes have been studied as magnetic coolants due to their large magneto-caloric effect. In this work we present a Gd 2D metal–organic framework (MOF) of formula [Gd(MeCOO)(PhCOO)2] (1). We characterize the magnetic ...

A critical review over the removal of paracetamol (acetaminophen) from synthetic waters and real wastewaters by direct, hybrid catalytic, and sequential ozonation processes 

Peralta-Hernández, J.M.; Brillas, Enric (Publication date: 2024-11-14)

Paracetamol (PCT) or acetaminophen is a widely prescribed drug to treat fever and mild to moderate pain. The PCT uptake by animals and humans is not complete, being excreted through their urine to contaminate the aquatic/natural ...

A Leap from Diradicals to Tetraradicals by Topological Control of π-Conjugation. 

Betkhoshvili, Sergi; Poater i Teixidor, Jordi; Moreira, Ibério de Pinho Ribeiro; Bofill i Villà, Josep M. (Publication date: 2025-09-03)

In this work, we explore the series of diradical(oid)s based on 2,2′-(5,11-dihydroindolo[3,2-b]carbazole-3,9-diyl)-dimalononitrile (further referred to as PH). Hydrogen atoms in the central benzenoid (CB) ring of PH are ...

Donor-anion interactions in quarter-filled low-dimensional organic conductors 

Pouget, Jean-Paul; Alemany i Cahner, Pere; Canadell, Enric, 1950- (Publication date: 2022-03-30)

Anions have often been considered to act essentially as electron donors or acceptors in molecular conductors. However there is now growing evidence that they play an essential role in directing the structural and hence ...

Vibrational energy relaxation of a diatomic molecule in a superfluid helium nanodroplet: influence of the nanodroplet size, interaction energy and energy gap 

Blancafort Jorquera, Miquel; González Pérez, Miguel (Publication date: 2022-03-02)

The influence of the nanodroplet size, molecule-helium interaction potential energy and ν = 1 − ν = 0 vibrational energy gap on the vibrational energy relaxation (VER) of a diatomic molecule (X2) in a superfluid helium ...

Prospective role of multicenter bonding for efficient and selective hydrogen transport 

Stradi, Daniele; Illas i Riera, Francesc; Bromley, Stefan Thomas (Publication date: 2019-07-23)

Multicenter bonding is shown to be able to dramatically reduce atomic transport barriers in solids. Theoretical analysis of H atoms in a nanoporous polymorph of ZnO (SOD-ZnO) shows intercage hopping to be aided by four-center ...

Conducting chiral nickel(II) bis(dithiolene) complexes: structural and electron transport modulation with the charge and the number of stereogenic centres 

Abhervé, Alexandre; Mroweh, Nabil; Cauchy, Thomas; Pop, Flavia; Cui, Hengbo; Kato, Reizo; Vanthuyne, Nicolas; Alemany i Cahner, Pere; Canadell, Enric, 1950-; Avarvari, Narcis (Publication date: 2022-04-06)

Nickel(II) bis(dithiolene) complexes can provide crystalline conducting materials either in their monoanionic or neutral forms. Here we show that the use of chiral dithiolene ligands with one or two stereogenic centres, ...

Localization versus Delocalization in Chiral Single Component Conductors of Gold Bis(dithiolene) Complexes 

Branzea, Diana G.; Pop, Flavia; Auban-Senzier, Pascale; Clerac, Rodolphe; Alemany i Cahner, Pere; Canadell, Enric, 1950-; Avarvari, Narcis (Publication date: 2019-02-12)

The first examples of chiral single component conductors are reported. Both (S,S) and (R,R) enantiomers of 5,6-dimethy1-5,6-dihydro-1,4-dithiin-2,3-dithiolate (dm=dddt) ligand have been used to prepare anionic metal ...

Kondo Effect in a Neutral and Stable All Organic Radical Single Molecule Break Junction 

Frisenda, Riccardo; Gaudenzi, Rocco; Franco, Carlos; Mas Torrent, Marta; Rovira i Angulo, Concepció; Veciana, Jaume; Alcón Rovira, Isaac; Bromley, Stefan Thomas; Burzurí, Enrique; van der Zant, Herre S. J. (Publication date: 2019-02-12)

Organic radicals are neutral, purely organic molecules exhibiting an intrinsic magnetic moment due to the presence of an unpaired electron in the molecule in its ground state. This property, added to the low spin-orbit ...

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