I know the Buckingham potential as what is called 'Williams' in cp2k<div>https://manual.cp2k.org/cp2k-2022_1-branch/CP2K_INPUT/FORCE_EVAL/MM/FORCEFIELD/NONBONDED/WILLIAMS.html</div><div><br>there is also a buck4ranges potential</div><div>https://manual.cp2k.org/cp2k-2022_1-branch/CP2K_INPUT/FORCE_EVAL/MM/FORCEFIELD/NONBONDED/BUCK4RANGES.html<br></div><div><br></div><div>or the genpot potential you could put together to get your desired interaction.</div><div><br></div><div>Matt</div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Friday, 2 December 2022 at 22:17:14 UTC qumingzi...@gmail.com wrote:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><img alt="243121670019018_.pic.jpg" width="220px" height="52px" src="https://groups.google.com/group/cp2k/attach/a11d815183b63/243121670019018_.pic.jpg?part=0.2&view=1"><br><div>Hello everyone, I have found this potential in the literature, I have found BMHFTD in NONBONDED(FIST) very suitble. I have found the  last 2 terms,  Vdisp can be found in the red block. The Vpol can be setted as DIPOLE. But how can I set the first 2 terms? </div><div><img alt="243131670019294_.pic.jpg" width="534px" height="81px" src="https://groups.google.com/group/cp2k/attach/a11d815183b63/243131670019294_.pic.jpg?part=0.1&view=1"></div><div>Thank you very much!</div></blockquote></div>

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