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While with <jats:bold>L4<\/jats:bold> and <jats:bold>L5<\/jats:bold> only ionic compounds of general formulation [Cu(<jats:bold>L<\/jats:bold>)][Au(R)<jats:sub>2<\/jats:sub>] were isolated and structurally characterized (none of them featuring Au\u22c5\u22c5\u22c5Cu interactions), with <jats:bold>L1<\/jats:bold>\u2010<jats:bold>L3<\/jats:bold>, beside similar ionic compounds, some heteronuclear complexes of general formulation [{Au(R)<jats:sub>2<\/jats:sub>}{Cu(<jats:bold>L<\/jats:bold>)}] and featuring Au\u22c5\u22c5\u22c5Cu interactions were also obtained. All of them display rather unusual non\u2010classical C\u2212H\u22c5\u22c5\u22c5Au hydrogen interactions. The complexes display in the solid state different optical properties related to their structures, which have been studied experimentally and theoretically <jats:italic>via<\/jats:italic> TD\u2010DFT calculations. In particular, all compounds of the type [{Au(R)<jats:sub>2<\/jats:sub>}{Cu(<jats:bold>L<\/jats:bold>)}] featuring Au\u22c5\u22c5\u22c5Cu metallophilic interactions display luminescence in the solid state both at room temperature (RT) and at 77\u2005K. On the contrary, ionic compounds of general formulation [Cu(<jats:bold>L<\/jats:bold>)][Au(R)<jats:sub>2<\/jats:sub>], except [Cu(<jats:bold>L4<\/jats:bold>)][Au(C<jats:sub>6<\/jats:sub>F<jats:sub>5<\/jats:sub>)<jats:sub>2<\/jats:sub>], are not luminescent.<\/jats:p>","DOI":"10.1002\/cplu.202300429","type":"journal-article","created":{"date-parts":[[2023,11,7]],"date-time":"2023-11-07T17:04:57Z","timestamp":1699376697000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Heteronuclear Gold(I)\u2010Copper(I) Complexes with Thia\u2010 and Mixed Thia\u2010Aza Macrocyclic Ligands: Synthesis, Structures and Optical Properties"],"prefix":"10.1002","volume":"89","author":[{"given":"Roc\u00edo","family":"Donamar\u00eda","sequence":"first","affiliation":[{"name":"Departamento de Qu\u00edmica, Instituto de Investigaci\u00f3n en Qu\u00edmica (IQUR), Complejo Cient\u00edfico Tecnol\u00f3gico Universidad de La Rioja  Madre de Dios 53 26004 Logro\u00f1o Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8093-576X","authenticated-orcid":false,"given":"Vito","family":"Lippolis","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze Chimiche e Geologiche Universit\u00e0 degli Studi di Cagliari  S.S. 554 Bivio per Sestu 09042 Monserrato CA Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 M.","family":"L\u00f3pez\u2010de\u2010Luzuriaga","sequence":"additional","affiliation":[{"name":"Departamento de Qu\u00edmica, Instituto de Investigaci\u00f3n en Qu\u00edmica (IQUR), Complejo Cient\u00edfico Tecnol\u00f3gico Universidad de La Rioja  Madre de Dios 53 26004 Logro\u00f1o Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miguel","family":"Monge","sequence":"additional","affiliation":[{"name":"Departamento de Qu\u00edmica, Instituto de Investigaci\u00f3n en Qu\u00edmica (IQUR), Complejo Cient\u00edfico Tecnol\u00f3gico Universidad de La Rioja  Madre de Dios 53 26004 Logro\u00f1o Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. Elena","family":"Olmos","sequence":"additional","affiliation":[{"name":"Departamento de Qu\u00edmica, Instituto de Investigaci\u00f3n en Qu\u00edmica (IQUR), Complejo Cient\u00edfico Tecnol\u00f3gico Universidad de La Rioja  Madre de Dios 53 26004 Logro\u00f1o Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,12,5]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"crossref","unstructured":"(Ed.: A. Laguna)Modern Supramolecular Gold Chemistry: Gold-Metal Interactions and Applications Wiley-VCH Weinheim Germany 2008 ISBN 978-352732095.","DOI":"10.1002\/9783527623778"},{"key":"e_1_2_8_2_1","doi-asserted-by":"crossref","unstructured":"(Ed.: F. 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