{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T18:05:42Z","timestamp":1787508342550,"version":"build-2736575974"},"reference-count":51,"publisher":"Wiley","issue":"49","license":[{"start":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T00:00:00Z","timestamp":1760140800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T00:00:00Z","timestamp":1760140800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2025,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Enantiopure isotactic poly(cyclohexene carbonate) (PCHC) has been synthesized with chiral Zn\u2010\u03b2\u2010diiminate catalyst. PCHC crystallizes both as enantiopure polymer (\n                    <jats:italic>R<\/jats:italic>\n                    )\u2010PCHC and (\n                    <jats:italic>S<\/jats:italic>\n                    )\u2010PCHC and upon stereocomplexation of the two enantiomers. We report the crystal structures of the enantiopure polymer and of the stereocomplex (\n                    <jats:italic>R<\/jats:italic>\n                    \/\n                    <jats:italic>S<\/jats:italic>\n                    )\u2010PCHC and explain their crystallization based on the establishment of multiple attractive H\u2010\u2010\u2010O\u2550C interactions between oxygen atoms of carbonyl groups and the hydrogen atoms of the cyclohexyl rings and C\u2550O\u2010\u2010\u2010C\u2550O intimate dipole interactions between carbonyl groups of chains of opposite chirality in the stereocomplex. The crystal structure of the enantiopure polymer is characterized by chains in 2\/1 helical conformation packed in the orthorhombic unit cell with axes\n                    <jats:italic>a\u00a0<\/jats:italic>\n                    =\u00a011.55\u00a0\u00c5\n                    <jats:italic>, b\u00a0<\/jats:italic>\n                    =\u00a09.42\u00a0\u00c5, and\n                    <jats:italic>c\u00a0<\/jats:italic>\n                    =\u00a07.36\u00a0\u00c5, according to the space group\n                    <jats:italic>P<\/jats:italic>\n                    2\n                    <jats:sub>1<\/jats:sub>\n                    2\n                    <jats:sub>1<\/jats:sub>\n                    2\n                    <jats:sub>1<\/jats:sub>\n                    , with steric interdigitation between chains of similar chirality favored by multiple attractive H\u2010\u2010\u2010O\u2550C interactions. The stereocomplex crystallizes in an orthorhombic unit cell with axes\n                    <jats:italic>a<\/jats:italic>\n                    \u00a0=\u00a010.40\u00a0\u00c5,\n                    <jats:italic>b\u00a0<\/jats:italic>\n                    =\u00a08.41\u00a0\u00c5, and\n                    <jats:italic>c<\/jats:italic>\n                    \u00a0=\u00a07.36\u00a0\u00c5, according to the space group\n                    <jats:italic>Pbc<\/jats:italic>\n                    2\n                    <jats:sub>1<\/jats:sub>\n                    , driven by establishment of additional C\u2550O\u2010\u2010\u2010C\u2550O dipole interactions between carbonyl groups of chains of opposite chirality, besides of the multiple attractive H\u2010\u2010\u2010O\u2550C interactions.\n                  <\/jats:p>","DOI":"10.1002\/anie.202504418","type":"journal-article","created":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T11:16:28Z","timestamp":1760181388000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The Role of Intimate Dipole Carbonyl\u2013Carbonyl and Hydrogen\u2013Carbonyl Interactions in the Stereocomplexation and Crystallization: The Case of Poly(Cyclohexene Carbonate)"],"prefix":"10.1002","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0064-903X","authenticated-orcid":false,"given":"Massimo Christian","family":"D'Alterio","sequence":"first","affiliation":[{"name":"Dipartimento di Scienze Chimiche Universit\u00e0 di Napoli Federico II  Complesso Monte S. Angelo, Via Cintia Napoli I\u201080126 Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9225-1509","authenticated-orcid":false,"given":"Miriam","family":"Scoti","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze Chimiche Universit\u00e0 di Napoli Federico II  Complesso Monte S. Angelo, Via Cintia Napoli I\u201080126 Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8815-2997","authenticated-orcid":false,"given":"Rocco","family":"Di Girolamo","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze Chimiche Universit\u00e0 di Napoli Federico II  Complesso Monte S. Angelo, Via Cintia Napoli I\u201080126 Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4861-0444","authenticated-orcid":false,"given":"Giovanni","family":"Talarico","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze Chimiche Universit\u00e0 di Napoli Federico II  Complesso Monte S. Angelo, Via Cintia Napoli I\u201080126 Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3400-2552","authenticated-orcid":false,"given":"Geoffrey W.","family":"Coates","sequence":"additional","affiliation":[{"name":"Department of Chemistry and Chemical Biology Baker Laboratory Cornell University  Ithaca New York 14853\u20101301 USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5375-7475","authenticated-orcid":false,"given":"Claudio","family":"De Rosa","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze Chimiche Universit\u00e0 di Napoli Federico II  Complesso Monte S. 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