Fast, Accurate, Robust Quantum Chemistry

Q-Chem provides a vast library of state-of-the-art methods for modeling molecular systems, enabling quick, accurate predictions of electronic and molecular structure, reactivities, properties, spectra, and more.

 

2025 Q-Chem User Workshop (May 22)

Bubbles containing visualization of molecule and an open laptop with IQmol open on the screen.

Join us in Tokyo for our first 2025 Q-Chem User Workshop, happening on May 22 from 1:30—5:00 PM. Register here!

This Q-Chem User Workshop will feature talks from Q-Chem board members Anna Krylov and Martin Head-Gordon, as well as hands-on demonstrations and exercises. Explore new features, hear from experts, and learn practical strategies for running fast, accurate ab… Read More

Q-Chem President Anna Krylov Elected To American Academy of Arts & Sciences

Anna Krylov

Congratulations to Q-Chem President Anna Krylov on being elected to the American Academy of Arts & Sciences!

The Academy, founded in 1780 during the American Revolution by several Founding Fathers of the United States, is an honorary society that recognizes excellence, collaboration, and good leadership across a broad variety of disciplines. Anna is recognized for her phenomenal work in theoretical and computational chemistry, including spin-flip and developments in methods for… Read More

Q-Chem Webinar 78: Broken Bond Orbitals (BBOs)

Alistair Sterling

Q-Chem is pleased to announce that our most recent webinar is now available for viewing! This webinar, which focused on the nature of the molecular bond and the new Broken Bond Orbital (BBO) implementation in Q-Chem, was presented by Alistair Sterling (UT Dallas). The webinar recording is available for viewing here.

The chemical bond is the cornerstone of chemistry, providing a conceptual framework to understand and predict the behavior of molecules in… Read More

Q-Cloud Is Now Available!

Q-Cloud graphic

Q-Chem is pleased to announce the release of Q-Cloud! Q-Cloud is a new product that allows users to run Q-Chem on AWS cloud computing architecture. Cloud computing offers many benefits over traditional computing models, including flexible resource scaling; reduced infrastructure, support, and maintenance costs; ongoing access to the most cutting-edge technology; and improved energy efficiency.

You can lean more about the benefits and… Read More

2025 Q-Chem User Workshop (May 22)

Bubbles containing visualization of molecule and an open laptop with IQmol open on the screen.

Join us in Tokyo for our first 2025 Q-Chem User Workshop, happening on May 22 from 1:30—5:00 PM.… Read More

Q-Chem President Anna Krylov Elected To American Academy of Arts & Sciences

Anna Krylov

Congratulations to Q-Chem President Anna Krylov on being elected to the American Academy of Arts & Sciences!

The Academy, founded in 1780 during the American Revolution by several… Read More

Q-Chem Webinar 78: Broken Bond Orbitals (BBOs)

Alistair Sterling

Q-Chem is pleased to announce that our most recent webinar is now available for viewing! This webinar, which focused on the nature of the molecular bond and the new Broken Bond Orbital (BBO)… Read More

Q-Cloud Is Now Available!

Q-Cloud graphic

Q-Chem is pleased to announce the release of Q-Cloud! Q-Cloud is a new product that allows users to run Q-Chem on AWS cloud computing architecture. Cloud computing offers many benefits over… Read More

Our Partners

BrianQC
Spartan
WebMO