OMat24: Meta Open Materials 2024 Dataset

Meta Open Materials 2024 (OMat24) is a dataset for materials science and chemistry research, released by Facebook. The dataset is designed to be used with the FAIRChem package, which suggests a focus on standardized, accessible data for computational chemistry. It was last updated on the platform in December 2025.

Use Cases

• Train machine learning models for materials property prediction based on the dataset's focus on materials science.
• Benchmark computational chemistry algorithms using the standardized data format mentioned for use with FAIRChem.
• Conduct open science research in materials informatics based on the dataset's stated purpose of accelerating community research.

Strengths

• Released by a major research organization (Facebook/Meta), suggesting institutional backing.
• Designed for use with the FAIRChem package, which may promote standardized data practices.
• Last updated on the platform in December 2025, indicating recent maintenance.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count, file formats, and license are unknown, which may limit suitability assessment.

Provenance

Source

facebook

Collection Method

Details on data gathering are not provided in the available description.

Time Range

The dataset name suggests a 2024 focus, but specific temporal coverage is not stated.

Freshness

Last updated 2025-12-11 19:29:18

Geography

Spatial coverage is not specified.