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Phys.: Condens. Matter"],"published-print":{"date-parts":[[2025,3,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Evidence of chirality was observed at the Fe metal center in Fe(III) spin crossover coordination salts [Fe(qsal)<jats:sub>2<\/jats:sub>][Ni(dmit)<jats:sub>2<\/jats:sub>] and [Fe(qsal)<jats:sub>2<\/jats:sub>](TCNQ)<jats:sub>2<\/jats:sub> from x-ray absorption (XAS) spectroscopy at the Fe 2p<jats:sub>3\/2<\/jats:sub> core threshold. Based on the circularly polarized XAS data, the x-ray natural circular dichroism for [Fe(qsal)<jats:sub>2<\/jats:sub>][Ni(dmit)<jats:sub>2<\/jats:sub>] and [Fe(qsal)<jats:sub>2<\/jats:sub>](TCNQ)<jats:sub>2<\/jats:sub> is far stronger than seen for [Fe(qsal)<jats:sub>2<\/jats:sub>]Cl suggesting this natural circular dichroism signature is a ligand effect rather than a result of just a loss of octahedral symmetry on the Fe core. The larger the chiral effects in the Fe 2p core to bound XAS, the greater the perturbation of the Fe 2p<jats:sub>3\/2<\/jats:sub> to 2p<jats:sub>1\/2<\/jats:sub> spin\u2013orbit splitting seen in the XAS spectra.<\/jats:p>","DOI":"10.1088\/1361-648x\/ada338","type":"journal-article","created":{"date-parts":[[2024,12,24]],"date-time":"2024-12-24T22:58:14Z","timestamp":1735081094000},"page":"10LT01","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Chiral effects at the metal center in Fe(III) spin crossover coordination salts"],"prefix":"10.1088","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7849-4715","authenticated-orcid":true,"given":"M Zaid","family":"Zaz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1840-0825","authenticated-orcid":true,"given":"Wai Kiat","family":"Chin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6241-5426","authenticated-orcid":true,"given":"Gauthami","family":"Viswan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7581-8144","authenticated-orcid":true,"given":"Arjun","family":"Subedi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8317-9370","authenticated-orcid":false,"given":"Esha","family":"Mishra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1030-2913","authenticated-orcid":false,"given":"Kayleigh A","family":"McElveen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Binny","family":"Tamang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4186-6017","authenticated-orcid":true,"given":"David","family":"Shapiro","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9429-9776","authenticated-orcid":true,"given":"Alpha T","family":"N\u2019Diaye","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1732-9481","authenticated-orcid":true,"given":"Rebecca Y","family":"Lai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2198-4710","authenticated-orcid":true,"given":"Peter A","family":"Dowben","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2025,1,6]]},"reference":[{"key":"cmada338bib1","doi-asserted-by":"publisher","first-page":"4059","DOI":"10.1039\/C3CC48935C","volume":"50","author":"Liu","year":"2014","journal-title":"Chem. 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