{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T14:33:49Z","timestamp":1787236429556,"version":"build-2736575974"},"reference-count":18,"publisher":"International Union of Crystallography (IUCr)","issue":"6","license":[{"start":{"date-parts":[[2020,5,29]],"date-time":"2020-05-29T00:00:00Z","timestamp":1590710400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2020,5,29]],"date-time":"2020-05-29T00:00:00Z","timestamp":1590710400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/501100004396","name":"Thailand Research Fund","doi-asserted-by":"publisher","award":["RSA5780056"],"award-info":[{"award-number":["RSA5780056"]}],"id":[{"id":"10.13039\/501100004396","id-type":"DOI","asserted-by":"publisher"}]},{"name":"The Research Professional Development Project Under the Science Achievement Scholarship of Thailand"}],"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":[[2020,5,20]]},"published-print":{"date-parts":[[2020,6,1]]},"abstract":"<jats:p>\n                    The polymeric title compound, poly[aquahemi[\u03bc\n                    <jats:sub>2<\/jats:sub>\n                    -3,6-bis(pyrimidin-2-yl)-1,4-dihydro-1,2,4,5-tetrazine](\u03bc\n                    <jats:sub>3<\/jats:sub>\n                    -sulfato)cadmium(II)], [Cd(SO\n                    <jats:sub>4<\/jats:sub>\n                    )(C\n                    <jats:sub>10<\/jats:sub>\n                    H\n                    <jats:sub>8<\/jats:sub>\n                    N\n                    <jats:sub>8<\/jats:sub>\n                    )\n                    <jats:sub>0.5<\/jats:sub>\n                    (H\n                    <jats:sub>2<\/jats:sub>\n                    O)]\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    , (\n                    <jats:bold>I<\/jats:bold>\n                    ), represents an example of a three-dimensional coordination polymer resulting from the reaction of CdSO\n                    <jats:sub>4<\/jats:sub>\n                    \u00b78\/3H\n                    <jats:sub>2<\/jats:sub>\n                    O with 3,6-bis(pyrimidin-2-yl)-1,4-dihydro-1,2,4,5-tetrazine (H\n                    <jats:sub>2<\/jats:sub>\n                    bmtz, C\n                    <jats:sub>10<\/jats:sub>\n                    H\n                    <jats:sub>8<\/jats:sub>\n                    N\n                    <jats:sub>8<\/jats:sub>\n                    ) under hydrothermal conditions. The Cd\n                    <jats:sup>II<\/jats:sup>\n                    atom has a distorted octahedral coordination environment defined by two nitrogen atoms from one H\n                    <jats:sub>2<\/jats:sub>\n                    bmtz ligand, three oxygen atoms from three different sulfate anions, and one oxygen atom from a coordinating water molecule. The 1,4-dihydro-1,2,4,5-tetrazine ring of the H\n                    <jats:sub>2<\/jats:sub>\n                    bmtz ligand is located about an inversion center, with the NH group being equally disordered over two sites. The sulfate anion acts as a \u03bc\n                    <jats:sub>3<\/jats:sub>\n                    -bridging ligand to connect three Cd\n                    <jats:sup>II<\/jats:sup>\n                    atoms, resulting in the formation of [Cd(SO\n                    <jats:sub>4<\/jats:sub>\n                    )(H\n                    <jats:sub>2<\/jats:sub>\n                    O)] sheets propagating parallel to the\n                    <jats:italic>bc<\/jats:italic>\n                    plane. Adjacent sheets are interconnected across the H\n                    <jats:sub>2<\/jats:sub>\n                    bmtz ligands, which coordinate the Cd\n                    <jats:sup>II<\/jats:sup>\n                    atoms in a bis-bidentate coordination mode, to form a three-dimensional framework structure. The framework is further stabilized by classical O\u2014H...O hydrogen bonds involving the coordinating water molecules and the sulfate groups, and by N\u2014H...O hydrogen bonds between the disordered tetrazine NH groups and sulfate oxygen atom, along with C\u2014H...\u03c0 and \u03c0\u2013\u03c0 stacking [centroid-to-centroid separation = 3.5954\u2005(15)\u2005\u00c5] interactions between parallel pyrimidine rings of the H\n                    <jats:sub>2<\/jats:sub>\n                    bmtz ligand.\n                  <\/jats:p>","DOI":"10.1107\/s2056989020006830","type":"journal-article","created":{"date-parts":[[2020,5,29]],"date-time":"2020-05-29T08:29:46Z","timestamp":1590740986000},"page":"958-961","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":2,"title":["Crystal structure of a cadmium sulfate coordination polymer based on the 3,6-bis(pyrimidin-2-yl)-1,4-dihydro-1,2,4,5-tetrazine ligand"],"prefix":"10.1107","volume":"76","author":[{"given":"Suwadee","family":"Jiajaroen","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1486-9164","authenticated-orcid":true,"given":"Kittipong","family":"Chainok","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2020,5,29]]},"reference":[{"key":"wm5546_bb1","unstructured":"Batten, S. 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