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Welcome to Aromaticity 2025!

The concept of "aromaticity" has undergone continuous refinement throughout history, yet it remains a cornerstone in chemistry for describing systems exhibiting benzene-like behavior. While the concept itself is not directly measurable, its effects are readily observed. This has led to extensive debate and diverse interpretations of its definition, with various theoretical approaches offering distinct perspectives. Consequently, a universally accepted and definitive understanding of aromaticity remains elusive. Despite these challenges, aromaticity continues to be a valuable tool for unraveling the structure and reactivity of diverse molecules.
The Aromaticity 2025 conference aims to bridge this gap by convening leading experts with both experimental and theoretical expertise. This gathering seeks to establish the foundation for a comprehensive and updated definition of aromaticity, potentially leading to its official recognition by the International Union of Pure and Applied Chemistry (IUPAC).
On behalf of the Aromaticity 2025 Organizing Committee, we cordially invite chemists from across the globe to attend the event in Merida, Mexico, from January 27 to 30, 2025. The event will be held at the Hotel Holiday Inn Merida, and we are confident that the stimulating program, coupled with the beautiful location, will make Aromaticity 2025 an unforgettable experience.


Gabriel Merino (Cinvestav Mérida)
Miquel Solà (Universitat de Girona)
Henrik Ottosson (Uppsala Universitet)



Confirmed Speakers

Florida State University
Vrije Universiteit Brussel

Universidad Nacional Autónoma de México

University of Belgrade
Vrije Universiteit Amsterdam
University of Málaga
Universidad del País Vasco
Linköping University
Universidad Complutense de Madrid
Vrije Universiteit Amsterdam
Philipps-Universität Marburg
Kyoto University
Israel Institute of Technology
Hebrew University of Jerusalem
Polish Academy of Sciences
University of Tokyo
Boston University
Universidad de Guanajuato
University of York

Igor Alabugin
Mercedes Alonso

José E. Barquera-Lozada
Marija Baranac-Stojanović
Matthias Bickelhaupt
Juan Casado
Fernando Cossío
Bo Durbeej
Israel Fernández
Celia Fonseca-Guerra
Gernot Frenking
Aiko Fukazawa
Renana Gershoni-Poranne
Ori Gidron
Daniel Gryko
Yoshimitsu Itoh
Malika Jeffries-EL
Oscar Jiménez-Halla
Peter Karadakov

Aurelio Mateo-Alonso

Eduard Matito
Paul McGonigal
Jean-Francoise Morin
Alvaro Muñoz
Masaaki Nakamoto
Minh Tho Nguyen
Sudip Pan
Jordi Poater
Robert Podgajny
Yosadara Ruiz-Morales
Hiroshi Shinokubo
Amnon Stanger
Irena Stara
Dariusz Szczepanik
Francesc Teixidor
William Tiznado
John D. Tovar
Clara Viñas
Judy Wu

University of the Basque Country

Donostia International Physics Centre
University of York
Université Laval
Universidad San Sebastián
Hiroshima University
Van Lang University
Jillin University
Universitat de Barcelona
Jagiellonian University
Instituto Mexicano del Petróleo
Nagoya University
Technion – Israel Institute of Technology
Czech Academy of Sciences
Jagiellonian University
Institute of Materials Science
Universidad Andrés Bello
Johns Hopkins University
Institute of Materials Science
University of Houston



Experience the excitement of Yucatan at the Holiday Inn Mérida. This hotel is situated in the heart of the city. We are also a short drive from the iconic Paseo Montejo. The hotel is only 25 minutes from the Manuel Crescencio Rejon International Airport and a 4-hour drive from the spectacular Mayan ruins of Chichen Itza and the archaeological site of Uxmal.


For more information about reservation instructions, click here! 


Merida is considered the safest city in Mexico and one of the best places to live globally. According to Ceoworld magazine, the Yucatecan capital is the second safest city in the entire American continent, only surpassed by Quebec (Canada), which ranks third in the world. Merida is ranked 21st in the world, above such important cities as Helsinki (27th), Osaka (28th), Copenhagen (29th), Vienna (31st), Bombay (98th), Vancouver (116th) and Oslo (129th). Mérida has also been chosen as the "Best Small City in the World: 2019 Readers Choice Awards.

It is also important to mention that Mérida is well-connected. The best way to get to Mérida from abroad is to fly to Cancún International Airport. A second option is to fly to Mexico City and then connect to Merida. Another possibility is for Merida's airport to receive international flights from Houston, Miami and Toronto.

Merida, the capital of Yucatan, emerged from the fusion of two great cultures: the Mayan and the Spanish, which give it a unique and wonderful identity in its architecture, cuisine and people. We will offer at least four excursions: 
Chichén Itzá. The most famous and best restored of Yucatan's Maya sites. Recently listed as one of the world's new seven wonders, it impresses even the most casual visitor. The fantastic site gives you goosebumps. Many mysteries of the Mayan astronomical calendar become evident when the "temples of time" design is understood. 
Cenotes, or sinkholes, are one of the natural jewels of the Yucatan Peninsula. The limestone and porous soil of the peninsula do not allow rivers and lakes to form on the surface, so water accumulates underground, forming these impressive caves and lakes. 

The registration fees for the participants are: 

Professors:   €450

Graduate students: €350

The fee payment will be done at the conferences desk. In the case of national participants (Mexico) a transfer method will be available soon.

Abstract Submission 

The Aromaticity Organizing Committee invites the submission of abstracts for Invited lectures and Poster Communications. Presenting authors must have made their reservation at the host hotel. The fee payment will be done at the conference desk. All abstracts must be submitted via e-mail to

  • Abstracts for poster communications may be submitted before October 15th, 2025

  • The Organizing Committee will notify authors of acceptance/rejection of each poster contribution before  October 30th, 2025. Instructions for poster presentations will be provided soon.

  • The text in the abstract should be a single-spaced .doc file.

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