Reply to ‘Comment on “Understanding the infrared spectrum of the protic ionic liquid DEMATfO by atomistic simulations”’ by J. Joo and A. L. L. East, Phys. Chem. Chem. Phys. , 2026, 28 , DOI: 10.1039/D5CP02379C

Key Points

• The aim is to respond to critiques regarding the interpretation of the infrared spectrum of the protic ionic liquid [DEMA][TfO].
• Address feedback from Joo and East
• Clarify atomistic simulation results
• Discuss molecular dynamics implications
• Clarifications on previous findings
• Strengthened arguments for initial conclusions
• Acknowledgment of differing perspectives