structure SPC/E TIP3P TIP4P/2005 q-TIP4P/F TIP4P/Ice Expt. PBE+TS PBE LDA PBE+MBD SCAN SCAN+rVV10 Ih 29.63253069 31.3343301 30.1809493 31.32732327 30.57975307 32.05 29.63811588 30.72180357 25.36669384 30.13324458 28.77203776 27.8747289 IX 24.25610277 24.77965486 24.47073097 24.73520456 24.77312228 25.63 24.08686408 27.22022873 20.66844484 26.21077119 23.06696942 21.70173162 II 22.799608 23.86023433 23.82708522 24.34369445 24.15384505 24.97 23.67263633 25.02632896 19.85345273 24.57930075 22.42962685 21.55051842 XIII 21.90034534 23.91144732 23.22683139 23.91144732 23.29432189 23.91 22.5113852 24.05193807 18.9112476 22.49880502 21.46584987 20.67360476 XIV 20.98356049 21.77929804 21.49444273 22.11121113 21.77974799 23.12 21.82167312 23.27854716 18.27828474 22.19063632 20.70229409 19.82319626 XV 20.58535206 21.14120929 21.15220086 21.75072822 21.43441704 22.53 21.53045822 22.79928298 17.8201808 22.24203655 20.23900572 19.3837733 VIII 18.66341761 18.63734058 19.25247126 19.69954577 19.51509077 20.09 20.20353127 20.73424337 15.75424814 20.26854088 18.02763908 17.24102381