<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>hi all,</div><div>i want to apply van der waals correction to bulk water. i use vdw_corr = "Grimme-D3", dftd3_version = 3, dftd3_threebody = .TRUE. in &system.<!--StartFragment--><pre style="font-size: 14px; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: -webkit-left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; margin-bottom: -1em;" data-mce-style="font-size: 14px; color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: -webkit-left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; margin-bottom: -1em;"><br></pre><!--EndFragment--> </div><div>but result don't change with and without vanderwals.</div><div>do everybody help me?</div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>best regards,</div><div>sabike ghasemi</div><div>phd student, damghan university, Iran</div></div></body></html>