{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T06:18:08Z","timestamp":1788329888702,"version":"build-2803163510"},"reference-count":29,"publisher":"International Union of Crystallography (IUCr)","issue":"6","license":[{"start":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T00:00:00Z","timestamp":1778112000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T00:00:00Z","timestamp":1778112000000},"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":[[2026,4,24]]},"published-print":{"date-parts":[[2026,6,1]]},"abstract":"<jats:p>\n                    Crystals of [Cu\n                    <jats:sub>2<\/jats:sub>\n                    Cl\n                    <jats:sub>2<\/jats:sub>\n                    (C\n                    <jats:sub>6<\/jats:sub>\n                    H\n                    <jats:sub>8<\/jats:sub>\n                    N\n                    <jats:sub>2<\/jats:sub>\n                    )\n                    <jats:sub>4<\/jats:sub>\n                    ] (\n                    <jats:bold>1<\/jats:bold>\n                    ) and of [Cu\n                    <jats:sub>2<\/jats:sub>\n                    Br\n                    <jats:sub>2<\/jats:sub>\n                    (C\n                    <jats:sub>6<\/jats:sub>\n                    H\n                    <jats:sub>8<\/jats:sub>\n                    N\n                    <jats:sub>2<\/jats:sub>\n                    )\n                    <jats:sub>4<\/jats:sub>\n                    ] (\n                    <jats:bold>2<\/jats:bold>\n                    ), C\n                    <jats:sub>6<\/jats:sub>\n                    H\n                    <jats:sub>8<\/jats:sub>\n                    N\n                    <jats:sub>2<\/jats:sub>\n                    = 2,6-dimethylpyrazine, were obtained from the reaction of CuCl or CuBr with 2,6-dimethylpyrazine in acetonitrile under solvothermal conditions. Both compounds are isotypic. The asymmetric unit of each compound consists of one Cu cation, one halide anion and one 2,6-dimethylpyrazine ligand in general positions. The copper cations are tetrahedrally coordinated by two \u03bc-1,1 bridging halide anions and two terminal 2,6-dimethylpyrazine ligands. Two copper cations are linked by the two halide anions\n                    <jats:italic>via<\/jats:italic>\n                    common edges into discrete dinuclear complexes that are located on centers of inversion. The discrete complexes are linked by intermolecular C\u2014H...\n                    <jats:italic>X<\/jats:italic>\n                    (\n                    <jats:italic>X<\/jats:italic>\n                    = Cl, Br) hydrogen bonding into chains that propagate along the\n                    <jats:italic>a<\/jats:italic>\n                    -axis direction. Between these chains, additional C\u2013H...\n                    <jats:italic>X<\/jats:italic>\n                    interactions are observed, which might be stronger for compound\n                    <jats:bold>1<\/jats:bold>\n                    .\n                  <\/jats:p>","DOI":"10.1107\/s2056989026004330","type":"journal-article","created":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T14:36:35Z","timestamp":1777646195000},"page":"583-587","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Synthesis and crystal structure of di-\u03bc-chlorido-bis[bis(2,6-dimethylpyrazine)copper(I)] and di-\u03bc-bromido-bis[bis(2,6-dimethylpyrazine)copper(I)]"],"prefix":"10.1107","volume":"82","author":[{"given":"Christian","family":"N\u00e4ther","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2026,5,7]]},"reference":[{"key":"tx2109_bb1","unstructured":"Brandenburg, K. 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