{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T09:43:12Z","timestamp":1785404592097,"version":"3.56.0"},"reference-count":36,"publisher":"International Union of Crystallography (IUCr)","issue":"4","license":[{"start":{"date-parts":[[2025,3,11]],"date-time":"2025-03-11T00:00:00Z","timestamp":1741651200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2025,3,11]],"date-time":"2025-03-11T00:00:00Z","timestamp":1741651200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/501100006352","name":"Baku State University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100006352","id-type":"DOI","asserted-by":"crossref"}]},{"name":"RUDN University Strategic academic Leadership Program"},{"name":"Hacettepe University Scientific Research Project Unit","award":["013 D04 602 004"],"award-info":[{"award-number":["013 D04 602 004"]}]}],"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":[[2025,2,11]]},"published-print":{"date-parts":[[2025,4,1]]},"abstract":"<jats:p>\n                    The title compound, C\n                    <jats:sub>17<\/jats:sub>\n                    H\n                    <jats:sub>15<\/jats:sub>\n                    N\n                    <jats:sub>3<\/jats:sub>\n                    O\n                    <jats:sub>7<\/jats:sub>\n                    , contains pyran and phenyl rings, with the pyran ring exhibiting a flattened-boat conformation. In the crystal, intermolecular N\u2014H...N hydrogen bonds link the molecules into centrosymmetric dimers, forming\n                    <jats:italic>R<\/jats:italic>\n                    <jats:sup>2<\/jats:sup>\n                    <jats:sub>2<\/jats:sub>\n                    (12) ring motifs. These dimers are linked through N\u2014H...O hydrogen bonds into a three-dimensional architecture. A Hirshfeld surface analysis indicates that the most important contributions for the crystal packing are from H...O\/O...H (29.7%), H...H (28.7%), H...C\/C...H (16.0%) and H...N\/N...H (12.9%) interactions. In addition to van der Waals interactions and N\u2014H...N and N\u2014H...O hydrogen bonds, halogen bonds, tetrel bonds and pnictogen bonds also play an important role in the cohesion of the crystal structure.\n                  <\/jats:p>","DOI":"10.1107\/s2056989025001276","type":"journal-article","created":{"date-parts":[[2025,2,13]],"date-time":"2025-02-13T06:56:58Z","timestamp":1739429818000},"page":"296-302","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":1,"title":["Crystal structure and Hirshfeld surface analyses, intermolecular interaction energies and energy frameworks of methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(4-nitrophenyl)-4\n                    <i>H<\/i>\n                    -pyran-3-carboxylate"],"prefix":"10.1107","volume":"81","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-9325-1756","authenticated-orcid":true,"given":"Farid N.","family":"Naghiyev","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8602-4382","authenticated-orcid":true,"given":"Tuncer","family":"H\u00f6kelek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8806-2975","authenticated-orcid":true,"given":"Victor N.","family":"Khrustalev","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02dn9h927","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huseyn M.","family":"Mamedov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4175-5656","authenticated-orcid":true,"given":"Alebel N.","family":"Belay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4441-2803","authenticated-orcid":true,"given":"Jamshid","family":"Ashurov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ibrahim G.","family":"Mamedov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2025,3,11]]},"reference":[{"key":"dx2064_bb1","doi-asserted-by":"crossref","first-page":"1168","DOI":"10.1107\/S2056989018010496","volume":"74","author":"Akkurt","year":"2018","journal-title":"Acta Cryst. 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