{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T21:48:50Z","timestamp":1740174530345,"version":"3.37.3"},"reference-count":21,"publisher":"International Union of Crystallography (IUCr)","issue":"11","license":[{"start":{"date-parts":[[2024,10,4]],"date-time":"2024-10-04T00:00:00Z","timestamp":1728000000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2024,10,4]],"date-time":"2024-10-04T00:00:00Z","timestamp":1728000000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/501100007684","name":"Ministry of Education and Science of Ukraine","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100007684","id-type":"DOI","asserted-by":"crossref"}]}],"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":[[2024,9,30]]},"published-print":{"date-parts":[[2024,11,1]]},"abstract":"<jats:p>The crystal structure of the title organic\u2013inorganic hybrid salt, (C<jats:sub>13<\/jats:sub>H<jats:sub>12<\/jats:sub>N<jats:sub>3<\/jats:sub>)<jats:sub>2<\/jats:sub>[CdCl<jats:sub>4<\/jats:sub>], (I), has been reported with four molecules in the asymmetric unit in a monoclinic cell [Vassilyeva <jats:italic>et al.<\/jats:italic> (2021). <jats:italic>RSC Advances<\/jats:italic>, <jats:bold>11<\/jats:bold>, 7713\u20137722]. While using two different aldehydes in the oxidative cyclization\u2013condensation involving CH<jats:sub>3<\/jats:sub>NH<jats:sub>2<\/jats:sub>\u00b7HCl to prepare a new monovalent cation with the imidazo[1,5-<jats:italic>a<\/jats:italic>]pyridinium skeleton, a new polymorph was obtained for (I) in space group <jats:italic>P<\/jats:italic>\n                  <jats:overline>1<\/jats:overline> and a unit cell with approximately half the volume of the monoclinic form. The structural configurations of the two crystallographically non-equivalent organic cations as well as the geometry of the moderately distorted tetrahedral CdCl<jats:sub>4<\/jats:sub>\n                  <jats:sup>2\u2013<\/jats:sup> dianion show minor changes. In the crystal, identically stacked cations and tetrachlorocadmate anions form separate columns parallel to the <jats:italic>a<\/jats:italic> axis. The loose packing of the anions leads to a minimal separation of approximately 9.53\u2005\u00c5 between the metal atoms in the triclinic form <jats:italic>versus<\/jats:italic> 7.51\u2005\u00c5 in the monoclinic one, indicating that the latter is packed slightly more densely. The two forms also differ by aromatic stacking motifs. Similar to the monoclinic polymorph, the triclinic one excited at 364\u2005nm shows an intense unsymmetrical photoluminescent band with maximum at 403\u2005nm and a full width at half maximum of 51\u2005nm in the solid state.<\/jats:p>","DOI":"10.1107\/s2056989024009654","type":"journal-article","created":{"date-parts":[[2024,10,4]],"date-time":"2024-10-04T10:57:27Z","timestamp":1728039447000},"page":"1125-1129","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Triclinic polymorph of bis[2-methyl-3-(pyridin-2-yl)imidazo[1,5-<i>a<\/i>]pyridin-2-ium] tetrachloridocadmium(II)"],"prefix":"10.1107","volume":"80","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4315-8399","authenticated-orcid":true,"given":"Olga Yu.","family":"Vassilyeva","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1343-6869","authenticated-orcid":true,"given":"Elena A.","family":"Buvaylo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1834-3020","authenticated-orcid":true,"given":"Vladimir N.","family":"Kokozay","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Evgeny A.","family":"Goreshnik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2024,10,4]]},"reference":[{"key":"ej2007_bb1","doi-asserted-by":"crossref","first-page":"7041","DOI":"10.1039\/c2dt30453h","volume":"41","author":"\u00c1lvarez","year":"2012","journal-title":"Dalton Trans."},{"key":"ej2007_bb2","doi-asserted-by":"crossref","first-page":"2713","DOI":"10.1021\/acs.chemrev.0c00933","volume":"121","author":"Bergeron","year":"2021","journal-title":"Chem. 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