AMBER forcefield

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This page contains information about the AMBER forcefield. See the AMBER package for information about the computer code.
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AMBER forcefield [1].

Force field

Parameters

ff94

[2]

ff96

ff98

ff99

Param99 was developed for organic and biological molecules using the restrained electrostatic potential (RESP) approach to derive the partial charges: [3]

ff02

The ff02 force field is a polarisable variant of ff99. The charges were determined at the B3LYP/cc-pVTZ//HF/6-31g* level, and hence are more like "gas-phase" charges. [4]

ff02EP

References

External links