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Standard superposition of atomic potentials (SAP) is efficient, but its component potentials describe isolated atoms. We show that the missing environmental information is already encoded in the first molecular SAP density and can be returned through one damped atom\u2010resolved update of the fitted screening potentials. With the feedback strength frozen at 0.25, the intrinsic\u2010atomic\u2010orbital (IAO) realization reduces median density distance by 25.10%, 25.89%, and 25.96% for RHF, PBE, and PBE0 on an independent 80\u2010structure hold\u2010out. IAO charge correlations remain at least 0.99989 from def2\u2010SVP through augmented triple\u2010 and quadruple\u2010zeta bases. The original symmetric\u2010L\u00f6wdin realization gives the same response direction in compact bases but exposes the expected diffuse\u2010basis pathology. No target\u2010functional information, converged target density, or auxiliary fragment calculation enters either guess.<\/jats:p>","DOI":"10.1002\/jcc.70514","type":"journal-article","created":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T07:51:56Z","timestamp":1791013916000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Molecular\u2010Environment Feedback Improves Superposition\u2010of\u2010Atomic\u2010Potential SCF Guesses"],"prefix":"10.1002","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-4333-0249","authenticated-orcid":false,"given":"Yukun","family":"Han","sequence":"first","affiliation":[{"name":"Institute of Clean Energy and Advanced Nanocatalysis (iClean), School of Chemistry and Chemical Engineering Anhui University of Technology  Maanshan Anhui People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuhang","family":"Deng","sequence":"additional","affiliation":[{"name":"Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry and Chemical Engineering Xiamen University  Xiamen Fujian People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qinyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Computer Science and Technology Anhui University of Technology  Maanshan Anhui People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruike","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Energy Science and EngineeringUniversity of Science and Technology of China  Hefei People's Republic of China"},{"name":"Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences  Guangzhou People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,3]]},"reference":[{"key":"e_1_2_11_2_1","volume-title":"Modern Quantum Chemistry: Introduction to Advanced Electronic Structure Theory","author":"Szabo A.","year":"1996"},{"key":"e_1_2_11_3_1","volume-title":"Quantum Chemistry","author":"Levine I. 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