Xin@QuantumChem
xinquantum.bsky.social
Xin@QuantumChem
@xinquantum.bsky.social
Computational Chemist
@NJ/NYC
Github: https://github.com/XinChenQC
Sorry this post is incorrect. I accidentally copied the TS3 structure into TS1. The corrected results should be:
November 2, 2025 at 7:42 PM
THIS POST is wrong: I wrongly copied the TS3 structure into TS1 in this post. The corrected results profile should be
November 2, 2025 at 7:40 PM
Oh, sorry, I made a mistake. I copied the TS3 structure into TS1. The corrected figure should be. As for wB97M-V/def2-TZVPD, its relative energy of TS1 is very close to M06-2X/def2-TZVPP (within <0.1 kcal/mol). I will share the notebook, IRC and data very soon.
November 2, 2025 at 7:38 PM
This is stricter than just comparing their own barrier height. Evaluating MLIP energies on the same DFT geometries, probe how similar the PES is. Answer the question: Given a decent DFT energy profile, can the MLIPs reproduce the relative energy along that path? It's crucial for the reactive MD.
November 2, 2025 at 2:14 PM
DFT was used to locate transition states and minima; UMA and Orb-v3 single-point energies were computed on the same structures with DFT.
November 2, 2025 at 3:36 AM
TS1 is located by DFT (black line). Red and green lines are from Orb-v3 and UMA.
November 2, 2025 at 3:19 AM
October 22, 2025 at 7:18 PM
This is a transition state structure (red is oxygen, blue is Nitrogen, Green is Nicle) of C-N splitting reaction. Create a deamon around the structure breaking the C-N bond.
July 12, 2025 at 6:06 PM
It should be the warm start. AIMNet2's model downloading and loading are also fast.

t0 = perf_counter()
E=mol.get_total_energy()
t1 = perf_counter()
July 11, 2025 at 2:12 PM
Correctness: AIMnet2 should be AIMNet2. Single-point energy calculation.
July 9, 2025 at 8:04 PM
Just run the following command in Colab. Works fine!
!uv pip install --system git+https://github.com/aligfellow/vib_analysis.git
July 9, 2025 at 6:49 AM