{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,19]],"date-time":"2025-09-19T09:32:02Z","timestamp":1758274322450,"version":"3.33.0"},"reference-count":18,"publisher":"International Union of Crystallography (IUCr)","issue":"6","license":[{"start":{"date-parts":[[2018,5,15]],"date-time":"2018-05-15T00:00:00Z","timestamp":1526342400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"},{"start":{"date-parts":[[2018,5,15]],"date-time":"2018-05-15T00:00:00Z","timestamp":1526342400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"}],"funder":[{"DOI":"10.13039\/100000165","name":"National Science Foundation, Division of Chemistry","doi-asserted-by":"publisher","award":["CHE-1454370"],"award-info":[{"award-number":["CHE-1454370"]}],"id":[{"id":"10.13039\/100000165","id-type":"DOI","asserted-by":"publisher"}]}],"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":[[2018,5,4]]},"published-print":{"date-parts":[[2018,6,1]]},"abstract":"<jats:p>Structural characterization of the ionic complexes [FeCl<jats:sub>2<\/jats:sub>(C<jats:sub>26<\/jats:sub>H<jats:sub>22<\/jats:sub>P<jats:sub>2<\/jats:sub>)<jats:sub>2<\/jats:sub>][FeCl<jats:sub>4<\/jats:sub>]\u00b70.59CH<jats:sub>2<\/jats:sub>Cl<jats:sub>2<\/jats:sub> or [(dppen)<jats:sub>2<\/jats:sub>FeCl<jats:sub>2<\/jats:sub>][FeCl<jats:sub>4<\/jats:sub>]\u00b70.59CH<jats:sub>2<\/jats:sub>Cl<jats:sub>2<\/jats:sub> (dppen = <jats:italic>cis<\/jats:italic>-1,2-bis(diphenylphosphane)ethylene, P<jats:sub>2<\/jats:sub>C<jats:sub>26<\/jats:sub>H<jats:sub>22<\/jats:sub>) and [FeCl<jats:sub>2<\/jats:sub>(C<jats:sub>30<\/jats:sub>H<jats:sub>24<\/jats:sub>P<jats:sub>2<\/jats:sub>)<jats:sub>2<\/jats:sub>][FeCl<jats:sub>4<\/jats:sub>]\u00b7CH<jats:sub>2<\/jats:sub>Cl<jats:sub>2<\/jats:sub> or [(dpbz)<jats:sub>2<\/jats:sub>FeCl<jats:sub>2<\/jats:sub>][FeCl<jats:sub>4<\/jats:sub>]\u00b7CH<jats:sub>2<\/jats:sub>Cl<jats:sub>2<\/jats:sub> (dpbz = 1,2-bis(diphenylphosphane)benzene, P<jats:sub>2<\/jats:sub>C<jats:sub>30<\/jats:sub>H<jats:sub>24<\/jats:sub>) demonstrates <jats:italic>trans<\/jats:italic> coordination of two bidentate phosphane ligands (bisphosphanes) to a single iron(III) center, resulting in six-coordinate cationic complexes that are balanced in charge by tetrachloridoferrate(III) monoanions. The <jats:italic>trans<\/jats:italic> bisphosphane coordination is consistent will all previously reported molecular structures of six coordinate iron(III) complex cations with a (PP)<jats:sub>2<\/jats:sub>\n                  <jats:italic>X<\/jats:italic>\n                  <jats:sub>2<\/jats:sub> (<jats:italic>X<\/jats:italic> = halido) donor set. The complex with dppen crystallizes in the centrosymmetric space group <jats:italic>C<\/jats:italic>2\/<jats:italic>c<\/jats:italic> as a partial-occupancy [0.592\u2005(4)] dichloromethane solvate, while the dpbz-ligated complex crystallizes in the triclinic space group <jats:italic>P<\/jats:italic>1 as a full dichloromethane monosolvate. Furthermore, the crystal studied of [(dpbz)<jats:sub>2<\/jats:sub>FeCl<jats:sub>2<\/jats:sub>][FeCl<jats:sub>4<\/jats:sub>]\u00b7CH<jats:sub>2<\/jats:sub>Cl<jats:sub>2<\/jats:sub> was an inversion twin, whose component mass ratio refined to 0.76\u2005(3):0.24\u2005(3). Beyond a few very weak C\u2014H...Cl and C\u2014H...\u03c0 interactions, there are no significant supramolecular features in either structure.<\/jats:p>","DOI":"10.1107\/s2056989018006898","type":"journal-article","created":{"date-parts":[[2018,5,15]],"date-time":"2018-05-15T07:37:27Z","timestamp":1526369847000},"page":"803-807","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":1,"title":["Crystal structures of two new six-coordinate iron(III) complexes with 1,2-bis(diphenylphosphane) ligands"],"prefix":"10.1107","volume":"74","author":[{"suffix":"Jr","given":"Derek L.","family":"McNeil","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daihlia J.","family":"Beckford","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4062-1031","authenticated-orcid":true,"given":"Jared L.","family":"Kneebone","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephanie H.","family":"Carpenter","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5461-1825","authenticated-orcid":true,"given":"William W.","family":"Brennessel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael L.","family":"Neidig","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2018,5,15]]},"reference":[{"key":"pj2052_bb1","unstructured":"Bruker (2013). 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