{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T03:10:44Z","timestamp":1792811444973,"version":"4.5.0"},"reference-count":42,"publisher":"International Union of Crystallography (IUCr)","issue":"5","license":[{"start":{"date-parts":[[2025,4,11]],"date-time":"2025-04-11T00:00:00Z","timestamp":1744329600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2025,4,11]],"date-time":"2025-04-11T00:00:00Z","timestamp":1744329600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"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":[[2025,4,7]]},"published-print":{"date-parts":[[2025,5,1]]},"abstract":"<jats:p>\n                    The title centrosymmetric tetranuclear cadmium(II) complex of 4-aminoantipyrine and chloride ions, [Cd\n                    <jats:sub>4<\/jats:sub>\n                    Cl\n                    <jats:sub>8<\/jats:sub>\n                    (C\n                    <jats:sub>11<\/jats:sub>\n                    H\n                    <jats:sub>13<\/jats:sub>\n                    N\n                    <jats:sub>3<\/jats:sub>\n                    O)\n                    <jats:sub>4<\/jats:sub>\n                    ]\u00b71.7H\n                    <jats:sub>2<\/jats:sub>\n                    O, was synthesized using methanol as solvent. The two independent Cd\n                    <jats:sup>2+<\/jats:sup>\n                    ions in the asymmetric unit have different geometries; the outer Cd atoms have fivefold CdONCl\n                    <jats:sub>3<\/jats:sub>\n                    coordination spheres, while the inner Cd atoms have sixfold CdONCl\n                    <jats:sub>4<\/jats:sub>\n                    coordination spheres. The complex is consolidated by intramolecular N\u2014H...O and N\u2014H...Cl hydrogen bonds. In the crystal, a combination of N\u2014H...Cl and O\n                    <jats:sub>w<\/jats:sub>\n                    \u2014H...Cl (w\u00a0= water) hydrogen bonds link the components to form chains propagating along the\n                    <jats:italic>a<\/jats:italic>\n                    -axis direction. The chains are crosslinked by C\u2014H...Cl and C\u2014H...O hydrogen bonds to form a three-dimensional structure. A new geometry index, \u03c4\n                    <jats:sub>6<\/jats:sub>\n                    , is proposed to quantitatively estimate the geometry of a sixfold coordinated atom.\n                  <\/jats:p>","DOI":"10.1107\/s2056989025003123","type":"journal-article","created":{"date-parts":[[2025,4,9]],"date-time":"2025-04-09T06:44:41Z","timestamp":1744181081000},"page":"393-400","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":6,"title":["Di-\u03bc\n                    <sub>3<\/sub>\n                    -chlorido-1:2:3\u03ba\n                    <sup>3<\/sup>\n                    <i>Cl<\/i>\n                    ;2:3:4\u03ba\n                    <sup>3<\/sup>\n                    <i>Cl<\/i>\n                    -di-\u03bc\n                    <sub>2<\/sub>\n                    -chlorido-1:2\u03ba\n                    <sup>2<\/sup>\n                    <i>Cl<\/i>\n                    ;3:4\u03ba\n                    <sup>2<\/sup>\n                    <i>Cl<\/i>\n                    -tetrakis[(4-amino-1,5-dimethyl-2-phenyl-2,3-dihydro-1\n                    <i>H<\/i>\n                    -pyrazol-3-one-\u03ba\n                    <sup>2<\/sup>\n                    <i>N<\/i>\n                    <sup>4<\/sup>\n                    ,\n                    <i>O<\/i>\n                    )chloridocadmium(II)] 1.7-hydrate: a new six-coordinate geometry index, \u03c4\n                    <sub>6<\/sub>"],"prefix":"10.1107","volume":"81","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9960-3869","authenticated-orcid":true,"given":"Helen","family":"Stoeckli-Evans","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. 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