{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T12:16:47Z","timestamp":1772713007615,"version":"3.50.1"},"reference-count":0,"publisher":"International Union of Crystallography (IUCr)","issue":"3","license":[{"start":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T00:00:00Z","timestamp":1770681600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T00:00:00Z","timestamp":1770681600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"name":"NRW Returning Scholars Program"}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr E Cryst Commun","Acta Cryst E","Acta Cryst Sect E","Acta Crystallogr E","Acta Crystallogr Sect E","Acta Cryst E Cryst Commun","Acta Cryst Sect E Cryst Commun"],"accepted":{"date-parts":[[2026,2,5]]},"published-print":{"date-parts":[[2026,3,1]]},"abstract":"<jats:p>\n                    We report the single-crystal X-ray diffraction structures of the azobenzene-bridged aza-18-crown-6 cryptand 7,16-[3,3\u2032-(diazene-1,2-diyl)bis(1,3-phenylenecarbonyl)]-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane, C\n                    <jats:sub>26<\/jats:sub>\n                    H\n                    <jats:sub>32<\/jats:sub>\n                    N\n                    <jats:sub>4<\/jats:sub>\n                    O\n                    <jats:sub>6<\/jats:sub>\n                    ,\n                    <jats:bold>1<\/jats:bold>\n                    , and its sodium complex poly[[{\u03bc-7,16-[3,3\u2032-(diazene-1,2-diyl)bis(1,3-phenylenecarbonyl)]-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane}bis{tetrakis[3,5-bis(trifluoromethyl)phenyl]borato}disodium] benzene disolvate], {[Na\n                    <jats:sub>2<\/jats:sub>\n                    (C\n                    <jats:sub>32<\/jats:sub>\n                    H\n                    <jats:sub>12<\/jats:sub>\n                    F\n                    <jats:sub>24<\/jats:sub>\n                    B)\n                    <jats:sub>2<\/jats:sub>\n                    (C\n                    <jats:sub>26<\/jats:sub>\n                    H\n                    <jats:sub>32<\/jats:sub>\n                    N\n                    <jats:sub>4<\/jats:sub>\n                    O\n                    <jats:sub>6<\/jats:sub>\n                    )]\u00b72C\n                    <jats:sub>6<\/jats:sub>\n                    H\n                    <jats:sub>6<\/jats:sub>\n                    }\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    . The free ligand\n                    <jats:bold>1<\/jats:bold>\n                    crystallizes in space group\n                    <jats:italic>P<\/jats:italic>\n                    2\n                    <jats:sub>1<\/jats:sub>\n                    \/\n                    <jats:italic>n<\/jats:italic>\n                    and adopts an elongated strain-distorted crown conformation with a slightly twisted azobenzene unit. In contrast,\n                    <jats:bold>2<\/jats:bold>\n                    [obtained with sodium tetrakis-3,5-bis(trifluoromethyl)phenyl borate (NaBArF)] crystallizes in space group\n                    <jats:italic>P<\/jats:italic>\n                    <jats:overline>1<\/jats:overline>\n                    and features multiple Na\n                    <jats:sup>+<\/jats:sup>\n                    centers that assemble into a three-dimensional network in the solid state. Hirshfeld surface analysis was used to provide a complementary, quantitative description of the dominant intermolecular contacts governing the crystal packing.\n                  <\/jats:p>","DOI":"10.1107\/s2056989026001234","type":"journal-article","created":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T17:25:13Z","timestamp":1770312313000},"page":"271-277","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Crystal structures of an azobenzene-bridged aza-18-crown-6 cryptand and a sodium complex thereof"],"prefix":"10.1107","volume":"82","author":[{"given":"Christoph","family":"Schwab","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elisabeth","family":"Kreidt","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2026,2,10]]},"container-title":["Acta Crystallographica Section E Crystallographic Communications"],"original-title":[],"link":[{"URL":"https:\/\/journals.iucr.org\/e\/issues\/2026\/03\/00\/vm2322\/vm2322.pdf","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.iucr.org\/e\/issues\/2026\/03\/00\/vm2322\/vm2322.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T11:19:11Z","timestamp":1772709551000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.iucr.org\/paper?S2056989026001234"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,2,10]]},"references-count":0,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2026,3]]}},"alternative-id":["S2056989026001234"],"URL":"https:\/\/doi.org\/10.1107\/s2056989026001234","relation":{"is-supplemented-by":[{"id-type":"doi","id":"10.1107\/S2056989026001234\/vm2322sup1.cif","asserted-by":"subject"},{"id-type":"doi","id":"10.1107\/S2056989026001234\/vm23221sup2.hkl","asserted-by":"subject"},{"id-type":"doi","id":"10.1107\/S2056989026001234\/vm23222sup3.hkl","asserted-by":"subject"}]},"ISSN":["2056-9890"],"issn-type":[{"value":"2056-9890","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,2,10]]},"assertion":[{"value":"Acta Crystallographica Section E: Crystallographic Communications","order":0,"name":"journal","label":"Publication","explanation":{"URL":"https:\/\/journals.iucr.org\/e"},"group":{"name":"general","label":"General"}},{"value":"research communications","order":1,"name":"content_type","label":"Content type","explanation":{"URL":"https:\/\/journals.iucr.org\/e\/services\/notesforauthors.html"},"group":{"name":"general","label":"General"}},{"value":"Available","URL":"https:\/\/scripts.iucr.org\/cgi-bin\/citedin?vm2322","order":2,"name":"article_metrics","label":"Article metrics","group":{"name":"general","label":"General"}},{"value":"Yes","order":0,"name":"peer_reviewed","label":"Peer reviewed","group":{"name":"peer_review","label":"Peer review"}},{"value":"Single blind","order":1,"name":"review_process","label":"Review process","group":{"name":"peer_review","label":"Peer review"}},{"value":"23 December 2025","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication history"}},{"value":"5 February 2026","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication history"}},{"value":"10 February 2026","order":2,"name":"published_online","label":"Published online","group":{"name":"publication_history","label":"Publication history"}},{"value":"This article has supporting information","name":"supplementary_materials","label":"Supplementary materials","explanation":{"URL":"https:\/\/scripts.iucr.org\/cgi-bin\/sendsup?vm2322"}},{"value":"\u00a9 2026 Schwab and Kreidt","order":0,"name":"copyright","label":"Copyright","explanation":{"URL":"https:\/\/journals.iucr.org\/services\/copyrightpolicy.html"},"group":{"name":"copyright_and_licencing","label":"Copyright and licencing"}},{"value":"Creative Commons Attribution (CC-BY)","order":1,"name":"license","label":"Licence","explanation":{"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},"group":{"name":"copyright_and_licencing","label":"Copyright and licencing"}}]}}