{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T13:20:15Z","timestamp":1792588815133,"version":"4.5.0"},"reference-count":52,"publisher":"American Chemical Society (ACS)","issue":"11","license":[{"start":{"date-parts":[[2018,11,12]],"date-time":"2018-11-12T00:00:00Z","timestamp":1541980800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/pubs.acs.org\/page\/policy\/authorchoice_termsofuse.html"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,11,30]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The reaction of copper(I) iodide (CuI) and N-alkyl pyridinium (RPy+, R = H, Me, Et, n-propyl = Pr, n-butyl = Bu, n-pentyl = Pn, and n-hexyl = Hx) or N-butyl-3-substituted pyridinium (N-Bu-3-PyX+, X = I, Br, Cl, CN, and OMe) iodide salts yielded pyridinium iodocuprate(I) salts. Crystal structures of iodocuprate ions coupled with RPy+ include {Cu3I63\u2013}n (R = H), {Cu2I3\u2013}n (R = Me), {Cu3I4\u2013}n (R = Et), {Cu6I82\u2013}n (R = Pr), and {Cu5I72\u2013}n (R = Bu, Pn, Hx). The [N-Bu-3-PyX]+ ions were typically paired with the 1-D chain {Cu5I72\u2013}n. Diffuse reflectance spectroscopy performed on the [N-Bu-3-PyX]+ iodocuprate salts revealed that increasing the electron withdrawing capacity of the [N-Bu-3-PyX]+ system reduced the absorption edge of the iodocuprate salt. Variable temperature emission spectra of several [N-Bu-3-PyX]+ compounds revealed two emission peaks, one consistent with a cluster-centered halide to metal charge transfer and the other consistent with an intermolecular mixed halide\/metal charge transfer to the organic cation. The emission intensity and emission wavelength of the mixed halide\/metal to cation charge transfer depends on the organic cation substitution.<\/jats:p>","DOI":"10.1021\/acsomega.8b01986","type":"journal-article","created":{"date-parts":[[2018,11,12]],"date-time":"2018-11-12T11:29:55Z","timestamp":1542022195000},"page":"15281-15292","source":"Crossref","is-referenced-by-count":25,"title":["Alkyl Pyridinium Iodocuprate(I) Clusters: Structural\nTypes and Charge Transfer\nBehavior"],"prefix":"10.1021","volume":"3","author":[{"given":"Amelia M.","family":"Wheaton","sequence":"first","affiliation":[{"name":"College of William and Mary , , , ,","place":["Williamsburg, Virginia, United States, 23187-8795"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michaela E.","family":"Streep","sequence":"additional","affiliation":[{"name":"College of William and Mary , , , ,","place":["Williamsburg, Virginia, United States, 23187-8795"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher M.","family":"Ohlhaver","sequence":"additional","affiliation":[{"name":"College of William and Mary , , , ,","place":["Williamsburg, Virginia, United States, 23187-8795"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aaron D.","family":"Nicholas","sequence":"additional","affiliation":[{"name":"University of Maine , , , ,","place":["Orono, Maine, United States, 04469"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francis H.","family":"Barnes","sequence":"additional","affiliation":[{"name":"University of Maine , , , ,","place":["Orono, Maine, United States, 04469"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9965-2057","authenticated-orcid":true,"given":"Howard H.","family":"Patterson","sequence":"additional","affiliation":[{"name":"University of Maine , , , ,","place":["Orono, Maine, United States, 04469"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8712-0288","authenticated-orcid":true,"given":"Robert D.","family":"Pike","sequence":"additional","affiliation":[{"name":"College of William and Mary , , , ,","place":["Williamsburg, Virginia, United States, 23187-8795"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2018,11,12]]},"reference":[{"key":"2026090317374637600_cit1a","doi-asserted-by":"publisher","first-page":"9281","DOI":"10.1021\/jacs.7b04550","article-title":"All-in-One: Achieving Robust, Strongly\nLuminescent and Highly Dispersible\nHybrid Materials by Combining Ionic and Coordinate Bonds in Molecular\nCrystals","volume":"139","author":"Liu","year":"2017","journal-title":"J. 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