{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T11:35:04Z","timestamp":1793100904110,"version":"4.5.0"},"reference-count":16,"publisher":"International Union of Crystallography (IUCr)","issue":"10","license":[{"start":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T00:00:00Z","timestamp":1788825600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T00:00:00Z","timestamp":1788825600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"name":"Office of Naval Research; U.S. Naval Research Laboratory","id":[{"id":"https:\/\/ror.org\/04d23a975","id-type":"ROR","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":[[2026,9,1]]},"published-print":{"date-parts":[[2026,10,1]]},"abstract":"<jats:p>\n                    Potassium 2-ethoxy-2-oxoacetate, K\n                    <jats:sup>+<\/jats:sup>\n                    \u00b7C\n                    <jats:sub>4<\/jats:sub>\n                    H\n                    <jats:sub>5<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    , was identified as a byproduct in the first step of synthesizing the shelf-stable salt potassium nitroacetonitrile (KNAN). A single crystal of the title salt was obtained by recrystallization of the ethanol filtrate resulting from the purification of the intended product salt, potassium ethyl nitrocyanoacetate. The asymmetric unit of K\n                    <jats:sup>+<\/jats:sup>\n                    \u00b7C\n                    <jats:sub>4<\/jats:sub>\n                    H\n                    <jats:sub>5<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    ,  contains a single potassium cation and a 2-ethoxy-2-oxoacetate anion, the ethyl group of which is disordered over two sets of sites in a 0.792\u2005(13):0.208\u2005(13) ratio. The packing is dictated primarily by K\u2014O electrostatic interactions and comprises eight bonded oxygen atoms per cation, with distances ranging from 2.706\u2005(2) to 3.053\u2005(4)\u2005\u00c5.\n                  <\/jats:p>","DOI":"10.1107\/s205698902600914x","type":"journal-article","created":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T07:52:01Z","timestamp":1788335521000},"page":"1136-1139","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Byproduct identification: crystal structure of potassium 2-ethoxy-2-oxoacetate"],"prefix":"10.1107","volume":"82","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1923-9858","authenticated-orcid":true,"given":"Shannon E.","family":"Creegan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James A.","family":"Ridenour","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02rhwc631","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert J.","family":"Donnelly","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02vk0qj37","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew T.","family":"Kerr","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2026,9,8]]},"reference":[{"key":"wm5809_bb1","unstructured":"Bruker (2019). 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