ReactionMechanismGenerator/RMG-Py

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Python version of the amazing Reaction Mechanism Generator (RMG).

Stars: 530
Forks: 260
Open beginner issues: 0
Indexed issues: 22
Avg merge: 3d 1h
Merged PRs (30d): 8

Dominant language: Python
License: No license data
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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22 open issues indexed

Security incident: compromised account force-pushed malware to RMG repositories (2026-09-06) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ReactionMechanismGenerator/RMG-Py#3008 · Opened Sep 6, 2026
Mismatched conformer degrees of freedom pass silently through TST, then surface as a bare "Singular matrix" in the MSC solve Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

ReactionMechanismGenerator/RMG-Py#3003 · Opened Aug 25, 2026
Conda can't find pysidt-rmg[version='>=1.2'] to make new environment when installing Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ReactionMechanismGenerator/RMG-Py#2989 · Opened Jul 21, 2026
problems with svg images Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ReactionMechanismGenerator/RMG-Py#2985 · 1 comment · Opened Jun 25, 2026
Duplicate reactions added when library included in libraries and seed Open

stale

Difficulty 3/5 1-2 days Newbie friendliness 67/100

ReactionMechanismGenerator/RMG-Py#2979 · 1 comment · Opened Jun 9, 2026
Bump minimum Cantera to `>=3.2` and adopt the modern API ? Open

stale

Difficulty 4/5 3-5 days Newbie friendliness 68/100

ReactionMechanismGenerator/RMG-Py#2977 · 1 comment · Opened Jun 4, 2026
Writing input files fails for liquid cat reactor Open

stale

ReactionMechanismGenerator/RMG-Py#2883 · 2 comments · 1 assignee · Opened Feb 9, 2026
singlet oxygen getting added to mechanism through decay operation Open

bug

ReactionMechanismGenerator/RMG-Py#2849 · 3 comments · 1 assignee · Opened Sep 12, 2025
Only One Balance Species Open

bug Complexity: Low Good First Issue Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ReactionMechanismGenerator/RMG-Py#2755 · 1 comment · Opened Jan 31, 2025
Next Generation RMG Ideas (previously from Wiki) Open

Announcement

Difficulty 5/5 Over a week Newbie friendliness 20/100

ReactionMechanismGenerator/RMG-Py#2731 · 4 comments · Opened Nov 13, 2024
Model Resurrection has failed Open

bug

ReactionMechanismGenerator/RMG-Py#2697 · 1 assignee · Opened Jul 28, 2024
Need to fix PDep SA units in Arkane Open

bug Good First Issue

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

ReactionMechanismGenerator/RMG-Py#2692 · Opened Jul 18, 2024
`maximumEdgeSpecies` ignored if `toleranceThermoKeepSpeciesInEdge` is not given Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ReactionMechanismGenerator/RMG-Py#2575 · 9 comments · Opened Nov 14, 2023
Status Tracking: `chemprop` and ML Thermochemistry Prediction Open

Announcement

Difficulty 5/5 Over a week Newbie friendliness 25/100

ReactionMechanismGenerator/RMG-Py#2559 · 2 comments · Opened Oct 17, 2023
yaml writer slows down execution Open

bug

ReactionMechanismGenerator/RMG-Py#2499 · 10 comments · 1 assignee · Opened Jul 10, 2023
Regression test model comparison tool attributes wrong reaction family? Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ReactionMechanismGenerator/RMG-Py#2492 · 3 comments · Opened Jun 23, 2023
Consistent Non-deterministic Behavior in Thermo (polycylic) and Kinetics (Peroxyl_Disproportionation) Open

bug

ReactionMechanismGenerator/RMG-Py#2490 · 5 comments · 1 assignee · Opened Jun 22, 2023
RMG/Cantera compatibility for Plog reactions Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ReactionMechanismGenerator/RMG-Py#2428 · 3 comments · Opened May 8, 2023
Non-deterministic choice between ring(Cyclopropene) and ring(oxirene) ? Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ReactionMechanismGenerator/RMG-Py#2010 · 2 comments · Opened Aug 19, 2020
Solution phase models might include PDep rates from libraries Open

bug

ReactionMechanismGenerator/RMG-Py#1872 · 4 comments · 1 assignee · Opened Jan 20, 2020
Negative rate coefficient at 500 K in Klippenstein_Glarborg2016 library Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ReactionMechanismGenerator/RMG-Py#1654 · 9 comments · Opened Jul 17, 2019
Template rate estimation matching issue Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ReactionMechanismGenerator/RMG-Py#1560 · 4 comments · Opened Mar 7, 2019

ReactionMechanismGenerator/RMG-Py

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