Hydrogen-Bonded Melamine-Barbiturate Assembly: Photocatalysis and Radical Detection Data

A 2026 study by Ivan V. Moskalenko investigates reactive oxygen species photogeneration in melamine barbiturate crystals. The dataset includes experimental results from EPR spectroscopy, showing a singlet oxygen steady-state concentration of (1.2 ± 0.3) × 10^–14 M under UV irradiation, and data from a novel TEMPO-ol probe method for detecting short-lived radicals. Quantum chemical modeling results on radical reaction pathways are also likely included.

Use Cases

• Modeling singlet oxygen generation kinetics based on the reported steady-state concentration and UV irradiation wavelength.
• Benchmarking new radical detection methods against the described TEMPO-ol probe encapsulation strategy.
• Validating quantum chemical models of hydroperoxyl radical formation from barbituric acid.
• Analyzing the thermodynamic parameters for radical termination reactions within a crystal lattice.

Strengths

• Includes a specific, measured singlet oxygen steady-state concentration of (1.2 ± 0.3) × 10^–14 M.
• Describes a novel, validated experimental method for in-situ radical detection in a crystal lattice.
• Combines experimental EPR spectroscopy data with quantum chemical modeling results.

Limitations

• Row count and column-level documentation are absent; field semantics must be inferred after download.
• The dataset is very small (18.7 KB), indicating limited scope, likely containing summary or processed results rather than raw experimental traces.
• Data may reflect methodological bias inherent to the specific experimental and computational setups used.

Provenance

Source

Ivan V. Moskalenko via figshare

Collection Method

Experimental data from EPR spectroscopy, X-ray diffraction, and kinetic experiments, combined with results from quantum chemical modeling.

Freshness

Last updated 2026-03-19 20:11:51; freshness should be verified.