---
pretty_name: Mat-20K-RL
language:
- en
task_categories:
- text-generation
---

# Mat-20K-RL

Mat-20K-RL contains 20,000 materials-science queries with reference solutions
for reinforcement-learning and verifier development. It includes 10,000
crystal-structure-design queries and 10,000 materials-property-prediction
queries sampled from the Mat-252K-SFT training set.

Each record contains:

- `mp_id`: Materials Project identifier.
- `question_type`: `structure_design` or `property_prediction`.
- `messages`: the sampled user query in chat format.
- `solution`: the reference CIF or property JSON associated with `mp_id`.

The dataset license and archival DOI will be added before public release.