Exchange Coupling Constants for 21 Bimetallic Complexes

21 3d bimetallic complexes, focusing on dicopper species, are analyzed for magnetic exchange coupling constants (J). The dataset supports the SA-DSRG-PT2 method combined with density matrix renormalization group for quantitative J value prediction. It includes analysis of effective Hamiltonians and orbital mutual correlation plots.

Use Cases

• Validate the SA-DSRG-PT2 method's prediction of exchange coupling constants (J) for 21 bimetallic complexes.
• Analyze the reduction of on-site Coulomb repulsion from SA-DSRG-PT2 effective Hamiltonians to understand improved exchange couplings.
• Use orbital mutual correlation plots to visualize and identify metal-metal and metal-ligand superexchange pathways.
• Benchmark computational chemistry methods against quantitative J values for dicopper and other transition-metal complexes.

Strengths

• Contains data for a defined set of 21 3d bimetallic complexes, enabling focused benchmarking.
• Applies a systematic active orbital identification method using the atomic valence active space approach.
• Includes analysis tools such as orbital mutual correlation plots for visualizing exchange pathways.

Limitations

• The dataset is very small in scale, at 91.9 KB, limiting its use for large-scale statistical or machine learning analysis.
• The data is specific to a niche computational chemistry method (SA-DSRG-PT2) and set of complexes, reducing generalizability.
• No explicit column or sample data is provided, making the exact data structure and content unknown.

Provenance

Source

Ziyu Hu via figshare.

Collection Method

Generated via computational electronic-structure theory (SA-DSRG-PT2 combined with density matrix renormalization group).

Freshness

Last updated 2026-03-23.