{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T02:47:09Z","timestamp":1791946029561,"version":"4.3.4"},"reference-count":57,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T00:00:00Z","timestamp":1791849600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T00:00:00Z","timestamp":1791849600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100003246","name":"Nederlandse Organisatie voor Wetenschappelijk Onderzoek","doi-asserted-by":"publisher","award":["OCENW.M.21.035"],"award-info":[{"award-number":["OCENW.M.21.035"]}],"id":[{"id":"10.13039\/501100003246","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemistryOpen"],"published-print":{"date-parts":[[2026,11]]},"abstract":"<jats:p>\n                    Typically, boiling points increase with molecular weight because dispersion forces strengthen. However, H\n                    <jats:sub>2<\/jats:sub>\n                    O deviates from this trend, exhibiting a higher boiling point than its heavier group\u201016 analogs. This anomaly is traditionally attributed to water\u2019s larger dipole moment, which is thought to promote stronger electrostatic intermolecular hydrogen bonds. Yet, this textbook explanation lacks quantitative support. Here, alongside thermodynamic and structural effects, we identify a key microscopic, quantum chemical factor that explains trends in interaction strength, which in turn are associated with water\u2019s abnormally high boiling point. Within the series of binary hydrides studied, Kohn\u2013Sham molecular orbital theory reveals that the Pauli exclusion principle is an important factor behind water\u2019s high boiling point, as it modulates intermolecular distances and, thereby, influences the strength of all attractive interactions, including Coulombic attraction. The compact H\n                    <jats:sub>2<\/jats:sub>\n                    O molecule experiences significantly less intermolecular Pauli repulsion, allowing for shorter intermolecular distances, enhancing all attractive forces, and resulting in elevated boiling points. These findings not only provide a rigorous, quantitative framework for understanding a fundamental property of water but also call for a critical re\u2010evaluation of conventional teaching and interpretation.\n                  <\/jats:p>","DOI":"10.1002\/open.70316","type":"journal-article","created":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T02:41:36Z","timestamp":1791945696000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Anomalously High Boiling Point of Water Revisited"],"prefix":"10.1002","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4040-1728","authenticated-orcid":false,"given":"Lucas","family":"de Azevedo Santos","sequence":"first","affiliation":[{"name":"Department of Chemistry and Pharmaceutical Sciences AIMMS Vrije Universiteit Amsterdam  Amsterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8040-9030","authenticated-orcid":false,"given":"Siebe","family":"Lekanne Deprez","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Pharmaceutical Sciences AIMMS Vrije Universiteit Amsterdam  Amsterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4655-7747","authenticated-orcid":false,"given":"F. Matthias","family":"Bickelhaupt","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Pharmaceutical Sciences AIMMS Vrije Universiteit Amsterdam  Amsterdam Netherlands"},{"name":"Institute for Molecules and Materials Radboud University  Nijmegen Netherlands"},{"name":"Department of Chemical Sciences University of Johannesburg  Johannesburg South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2973-5321","authenticated-orcid":false,"given":"C\u00e9lia","family":"Fonseca Guerra","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Pharmaceutical Sciences AIMMS Vrije Universiteit Amsterdam  Amsterdam Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,13]]},"reference":[{"key":"e_1_2_8_2_1","volume-title":"Chemical Principles","author":"Zumdahl S. 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