CompChem Observer — newly added excited states events https://compchem.observer/topics/excited-states/ 2026-09-28T15:41:52Z CompChem Observer 14th OpenMolcas Developers' Workshop https://compchem.observer/events/14th-openmolcas-developers-workshop-2026/ 2026-09-28T00:00:00Z A workshop for developers and users of the OpenMolcas quantum chemistry software to discuss new methodologies, technical developments, and future perspectives. Green's function methods: the next generation 7 https://compchem.observer/events/green-s-function-methods-the-next-generation-7-2026/ 2026-09-28T00:00:00Z Workshop on advanced Green's function methods in many-body physics, including GW, vertex corrections, and beyond-GW approaches for electronic structure and excitations. The 13th National Symposium on Organic Solid State Electronic Processes and Chinese Symposium on Organic Optoelectronic Functional Materials https://compchem.observer/events/the-13th-national-symposium-on-organic-solid-state-electronic-processes-and-chinese-symposium-on-organic-optoelectronic-functional-materials-2026/ 2026-09-28T00:00:00Z The 13th National Symposium on Organic Solid State Electronic Processes and Chinese Symposium on Organic Optoelectronic Functional Materials, organized by the Chinese Chemical Society, will be held in Tianjin, China, from October 22 to 25, 2026. It covers organic electronic and… The 83rd Okazaki Conference on Circularly Polarized Photonics Frontier (CPPF2026) https://compchem.observer/events/the-83rd-okazaki-conference-on-circularly-polarized-photonics-frontier-cppf2026-2026/ 2026-09-28T00:00:00Z The 83rd Okazaki Conference on Circularly Polarized Photonics Frontier (CPPF2026), organized by the Institute for Molecular Science, will be held from November 15 to 17, 2026, at the Okazaki Conference Center in Aichi, Japan. Registration is free. Atomic Physics 2026 https://compchem.observer/events/atomic-physics-2026-2026/ 2026-09-28T00:00:00Z International workshop on atomic physics focusing on quantum correlations in molecular systems, addressing entanglement in ultrafast excitation, ionization, non-adiabatic transitions, and electronic coherence. Current Topics in Theoretical Chemistry 2027 https://compchem.observer/events/current-topics-in-theoretical-chemistry-2027-2027/ 2026-09-28T00:00:00Z Workshop on current topics in theoretical chemistry, focusing on density functional theories and dynamics simulations, including nonadiabatic nuclear-electronic dynamics and machine learning for catalysis. MOPAC User Group https://compchem.observer/events/mopac-user-group-2023/ 2026-09-25T00:00:00Z Virtual MolSSI User Group on MOPAC (June 7, 2023) with Dr. James Stewart and others presenting on MOPAC development, methods (including excited states and SQM), HPC acceleration, software integration, education, and discussion sessions. 27th ETSF Workshop on Electronic Excitations https://compchem.observer/events/27th-etsf-workshop-on-electronic-excitations-2024/ 2026-09-25T00:00:00Z 27th ETSF Workshop on Electronic Excitations — an interdisciplinary forum in Marseille (3–7 Jun 2024) addressing ultrafast and non-equilibrium dynamics, attosecond time-resolved vibrational and electronic spectroscopy, and related excitation theory. Theoretical Spectroscopy Lectures https://compchem.observer/events/theoretical-spectroscopy-lectures-2027/ 2026-09-20T00:00:00Z A school on the ab initio methods used to predict what spectroscopy measures, where ground-state DFT is not enough. Covers time-dependent DFT and many-body perturbation theory, including Green's function approaches.