{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T14:16:26Z","timestamp":1785420986310,"version":"3.56.0"},"reference-count":30,"publisher":"International Union of Crystallography (IUCr)","issue":"2","license":[{"start":{"date-parts":[[2024,1,12]],"date-time":"2024-01-12T00:00:00Z","timestamp":1705017600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2024,1,12]],"date-time":"2024-01-12T00:00:00Z","timestamp":1705017600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"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":[[2023,12,22]]},"published-print":{"date-parts":[[2024,2,1]]},"abstract":"<jats:p>\n                    The reaction of the Schiff base 2-[1-(pyridin-2-yl)ethylideneamino]ethanol (H\n                    <jats:italic>L<\/jats:italic>\n                    ), which is formed by reaction of 2-aminoethanol and 2-acetylpyridine with CuBr\n                    <jats:sub>2<\/jats:sub>\n                    in ethanol results in the isolation of the new polymeric complex poly[hexa-\u03bc-bromido-bis{2-[1-(pyridin-2-yl)ethylideneamino]ethanolato}tetracopper(II)], [Cu\n                    <jats:sub>4<\/jats:sub>\n                    Br\n                    <jats:sub>6<\/jats:sub>\n                    (C\n                    <jats:sub>9<\/jats:sub>\n                    H\n                    <jats:sub>11<\/jats:sub>\n                    N\n                    <jats:sub>2<\/jats:sub>\n                    O)\n                    <jats:sub>2<\/jats:sub>\n                    ]\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    or [Cu\n                    <jats:sub>4<\/jats:sub>\n                    Br\n                    <jats:sub>6<\/jats:sub>\n                    <jats:italic>L<\/jats:italic>\n                    <jats:sub>2<\/jats:sub>\n                    ]\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    . The asymmetric unit of the crystal structure of the polymeric [Cu\n                    <jats:sub>4<\/jats:sub>\n                    Br\n                    <jats:sub>6<\/jats:sub>\n                    <jats:italic>L<\/jats:italic>\n                    <jats:sub>2<\/jats:sub>\n                    ]\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    complex is composed by four copper (II) cations, two monodeprotonated molecules of the ligand, and six bromide anions, which act as bridges. The ligand molecules act in a tridentate fashion through their azomethine nitrogen atoms, their pyridine nitrogen atoms, and their alcoholate O atoms. The crystal structure shows two types of geometries in the coordination polyhedrons around Cu\n                    <jats:sup>2+<\/jats:sup>\n                    ions. Two copper cations are situated in a square-based pyramidal environment, while the two other copper cations adopt a tetrahedral geometry. Bromides anions acting as bridges between two metal ions connect the units, resulting in a tetranuclear polymer compound.\n                  <\/jats:p>","DOI":"10.1107\/s2056989023011040","type":"journal-article","created":{"date-parts":[[2024,1,12]],"date-time":"2024-01-12T01:49:19Z","timestamp":1705024159000},"page":"133-136","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":1,"title":["Crystal structure of poly[hexa-\u03bc-bromido-bis{2-[1-(pyridin-2-yl)ethylideneamino]ethanolato}tetracopper(II)]"],"prefix":"10.1107","volume":"80","author":[{"given":"Bocar","family":"Traor\u00e9","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04je6yw13","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ngon\u00e9","family":"Diouf","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04je6yw13","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Momath","family":"K\u00e9b\u00e9","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04je6yw13","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rokhaya","family":"Gu\u00e9ye-Sylla","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04je6yw13","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4595-8445","authenticated-orcid":true,"given":"Ibrahima Elhadji","family":"Thiam","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04je6yw13","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ousmane","family":"Diouf","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04je6yw13","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pascal","family":"Retailleau","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03xjwb503","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4337-5932","authenticated-orcid":true,"given":"Mohamed","family":"Gaye","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04je6yw13","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2024,1,12]]},"reference":[{"key":"ex2076_bb1","doi-asserted-by":"crossref","first-page":"1349","DOI":"10.1039\/DT9840001349","author":"Addison","year":"1984","journal-title":"J. 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