{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,1,14]],"date-time":"2025-01-14T05:12:52Z","timestamp":1736831572706,"version":"3.33.0"},"reference-count":13,"publisher":"International Union of Crystallography (IUCr)","issue":"4","license":[{"start":{"date-parts":[[2012,3,7]],"date-time":"2012-03-07T00:00:00Z","timestamp":1331078400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"},{"start":{"date-parts":[[2012,3,7]],"date-time":"2012-03-07T00:00:00Z","timestamp":1331078400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr E Struct Rep Online","Acta Crystallogr E","Acta Cryst E","Acta Cryst E Struct Rep Online","Acta Cryst Sect E","Acta Cryst Sect E Struct Rep Online","Acta Crystallogr Sect E","Acta Crystallogr Sect E Struct Rep Online"],"published-print":{"date-parts":[[2012,4,1]]},"abstract":"<jats:p>The title compound, [HgCl<jats:sub>2<\/jats:sub>(C<jats:sub>4<\/jats:sub>H<jats:sub>5<\/jats:sub>N<jats:sub>3<\/jats:sub>)]<jats:sub><jats:italic>n<\/jats:italic><\/jats:sub>, features a two-dimensional network parallel to (001) that is based on an Hg<jats:sup>II<\/jats:sup>atom octahedrally coordinated by four \u03bc<jats:sub>2<\/jats:sub>-Cl atoms and two \u03bc<jats:sub>2<\/jats:sub>-2-aminopyrimidine (apym) ligands in<jats:italic>trans<\/jats:italic>positions, yielding a distorted HgCl<jats:sub>4<\/jats:sub>N<jats:sub>2<\/jats:sub>octahedron. The coordination network can be described as an uninodal 4-connected net with the sql topology. The Hg<jats:sup>II<\/jats:sup>ion lies on a site of -1 symmetry and the apym ligand lies on sites of<jats:italic>m<\/jats:italic>symmetry with the mirror plane perpendicular to the pyrimidine plane and passing through the NH<jats:sub>2<\/jats:sub>group N atom. This polymeric structure is stabilized by N\u2014H...Cl hydrogen bonds and columnar \u03c0\u2013\u03c0 stacking of pyrimidine rings, with a centroid\u2013centroid distance of 3.832\u2005(2)\u2005\u00c5.<\/jats:p>","DOI":"10.1107\/s1600536812008793","type":"journal-article","created":{"date-parts":[[2012,3,6]],"date-time":"2012-03-06T08:05:18Z","timestamp":1331021118000},"page":"m385-m386","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":1,"title":["Poly[(\u03bc<sub>2<\/sub>-2-aminopyrimidine-\u03ba<sup>2<\/sup><i>N<\/i><sup>1<\/sup>:<i>N<\/i><sup>3<\/sup>)di-\u03bc<sub>2<\/sub>-chlorido-mercury(II)]"],"prefix":"10.1107","volume":"68","author":[{"given":"Hossein","family":"Eshtiagh-Hosseini","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zakieh","family":"Yousefi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Agnieszka","family":"Janiak","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2012,3,7]]},"reference":[{"key":"gk2458_bb1","unstructured":"Agilent (2011). 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