{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T16:10:29Z","timestamp":1775232629127,"version":"3.50.1"},"reference-count":26,"publisher":"International Union of Crystallography (IUCr)","issue":"7","license":[{"start":{"date-parts":[[2013,6,8]],"date-time":"2013-06-08T00:00:00Z","timestamp":1370649600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html"},{"start":{"date-parts":[[2013,6,8]],"date-time":"2013-06-08T00:00:00Z","timestamp":1370649600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html#TDM"}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr C Cryst Struct Commun","Acta Cryst C","Acta Cryst Sect C","Acta Crystallogr C","Acta Crystallogr Sect C","Acta Crystallogr Sect C Cryst Struct Commun"],"published-print":{"date-parts":[[2013,7,15]]},"abstract":"<jats:p>The structures of the Li<jats:sup>I<\/jats:sup>and Na<jats:sup>I<\/jats:sup>salts of 2-thiobarbituric acid (2-sulfanylidene-1-3-diazinane-4,6-dione, H<jats:sub>2<\/jats:sub>TBA) have been studied. \u03bc-Aqua-octaaquabis(\u03bc-2-thiobarbiturato-\u03ba<jats:sup>2<\/jats:sup><jats:italic>O<\/jats:italic>:<jats:italic>O<\/jats:italic>\u2032)bis(2-thiobarbiturato-\u03ba<jats:italic>O<\/jats:italic>)tetralithium(I) dihydrate, [Li<jats:sub>4<\/jats:sub>(C<jats:sub>4<\/jats:sub>H<jats:sub>3<\/jats:sub>N<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>S)<jats:sub>4<\/jats:sub>(H<jats:sub>2<\/jats:sub>O)<jats:sub>9<\/jats:sub>]\u00b72H<jats:sub>2<\/jats:sub>O, (I), crystallizes with four symmetry-independent four-coordinated Li<jats:sup>I<\/jats:sup>cations and four independent HTBA<jats:sup>\u2212<\/jats:sup>anions. The structure contains two structurally non-equivalent Li<jats:sup>I<\/jats:sup>cations and two non-equivalent HTBA<jats:sup>\u2212<\/jats:sup>anions (bridging and terminal). Eight of the coordinated water ligands are terminal and the ninth acts as a bridge between Li<jats:sup>I<\/jats:sup>cations. Discrete [Li<jats:sub>4<\/jats:sub>(HTBA)<jats:sub>4<\/jats:sub>(H<jats:sub>2<\/jats:sub>O)<jats:sub>9<\/jats:sub>]\u00b72H<jats:sub>2<\/jats:sub>O complexes form two-dimensional layers. Neighbouring layers are connected<jats:italic>via<\/jats:italic>hydrogen-bonding interactions, resulting in a three-dimensional network. Poly[\u03bc<jats:sub>2<\/jats:sub>-aqua-tetraaqua(\u03bc<jats:sub>4<\/jats:sub>-2-thiobarbiturato-\u03ba<jats:sup>4<\/jats:sup><jats:italic>O<\/jats:italic>:<jats:italic>O<\/jats:italic>:<jats:italic>S<\/jats:italic>:<jats:italic>S<\/jats:italic>)(\u03bc<jats:sub>2<\/jats:sub>-thiobarbiturato-\u03ba<jats:sup>2<\/jats:sup><jats:italic>O<\/jats:italic>:<jats:italic>S<\/jats:italic>)disodium(I)], [Na<jats:sub>2<\/jats:sub>(C<jats:sub>4<\/jats:sub>H<jats:sub>3<\/jats:sub>N<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>S)<jats:sub>2<\/jats:sub>(H<jats:sub>2<\/jats:sub>O)<jats:sub>5<\/jats:sub>]<jats:sub><jats:italic>n<\/jats:italic><\/jats:sub>, (II), crystallizes with six-coordinated Na<jats:sup>I<\/jats:sup>cations. The octahedra are pairwise connected through edge-sharing by a water O atom and an O atom from the \u03bc<jats:sub>4<\/jats:sub>-HTBA<jats:sup>\u2212<\/jats:sup>ligand, and these pairs are further top-shared by the S atoms to form continuous chains along the<jats:italic>a<\/jats:italic>direction. Two independent HTBA<jats:sup>\u2212<\/jats:sup>ligands integrate the chains to give a three-dimensional network.<\/jats:p>","DOI":"10.1107\/s0108270113014078","type":"journal-article","created":{"date-parts":[[2013,6,7]],"date-time":"2013-06-07T15:35:58Z","timestamp":1370619358000},"page":"704-708","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":18,"title":["Bridging behaviour of the 2-thiobarbiturate anion in its complexes with Li<sup>I<\/sup>and Na<sup>I<\/sup>"],"prefix":"10.1107","volume":"69","author":[{"given":"Nikolay","family":"Golovnev","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maxim","family":"Molokeev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2013,6,8]]},"reference":[{"key":"ku3096_bb1","doi-asserted-by":"crossref","first-page":"380","DOI":"10.1107\/S0108768102003890","volume":"58","author":"Allen","year":"2002","journal-title":"Acta Cryst. 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