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Updated: May 17, 2026
09:34
Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
Published on: February 6, 2020
Kinetically controlled formation of formamide trimer from first principles.
Bartłomiej M Szyja1, Anna Antoniou, Nikos L Doltsinis
1Institute for Solid-State Theory, Department of Physics, University of Münster, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany.
Summary
Simulations show that formamide trimers form various structures, with a compact global minimum expected to be most abundant due to low energy barriers for rearrangement. Temperature and dispersion corrections influence product distribution.
Area of Science:
- Computational Chemistry
- Chemical Physics
- Molecular Dynamics
Background:
- Formamide is a fundamental molecule in chemistry and biology.
- Understanding the aggregation behavior of formamide is crucial for various chemical processes.
Purpose of the Study:
- To simulate and analyze the formation of formamide trimers using advanced computational methods.
- To investigate the influence of initial spatial arrangement, concentration, and temperature on trimer product distribution.
Main Methods:
- Car-Parrinello molecular dynamics simulations were employed.
- Multiple initial configurations were tested to explore parameter effects.
- Density functional theory with dispersion corrections was utilized.
Main Results:
- Nine distinct formamide trimer species were identified through simulation.
- A compact global minimum structure is predicted to be the most abundant species.
- Higher temperatures and dispersion corrections favor the global minimum structure over chain-like trimers.
Conclusions:
- The spatial arrangement and simulation conditions significantly impact formamide trimer formation.
- Low activation barriers facilitate the conversion to the most stable trimer structure.
- Dispersion corrections are critical for accurately predicting trimer distribution and stability.
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