{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T07:22:01Z","timestamp":1790752921377,"version":"4.1.0"},"reference-count":58,"publisher":"Wiley","issue":"47","license":[{"start":{"date-parts":[[2020,7,27]],"date-time":"2020-07-27T00:00:00Z","timestamp":1595808000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["OE530\/3-2"],"award-info":[{"award-number":["OE530\/3-2"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001671","name":"European Synchrotron Radiation Facility","doi-asserted-by":"publisher","award":["CH-4612"],"award-info":[{"award-number":["CH-4612"]}],"id":[{"id":"10.13039\/501100001671","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2020,8,21]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The layered compound Sn<jats:sub>2.8(4)<\/jats:sub>Bi<jats:sub>20.2(4)<\/jats:sub>Se<jats:sub>27<\/jats:sub> exhibits an extraordinarily long\u2010periodic 150<jats:italic>R<\/jats:italic> stacking sequence. The crystal structure contains three different building blocks, which form upon the addition of Sn to a Bi\u2010rich bismuth selenide. Sn\u2010doped Bi<jats:sub>2<\/jats:sub> double (\u201c2\u201d) layers similar to those in elemental bismuth, Sn<jats:sub>0.3<\/jats:sub>Bi<jats:sub>1.7<\/jats:sub>Se<jats:sub>3<\/jats:sub> quintuple (\u201c5\u201d) layers and Sn<jats:sub>0.4<\/jats:sub>Bi<jats:sub>2.6<\/jats:sub>Se<jats:sub>4<\/jats:sub> septuple (\u201c7\u201d) layers are arranged in a 7525757525|7525757525|7525757525 sequence, which corresponds to a structure with <jats:italic>a=<\/jats:italic>4.1819(4) and <jats:italic>c=<\/jats:italic>282.64(6)\u2005\u00c5 in space group <jats:italic>R<\/jats:italic><jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/chem202000663-math-0001.png\" xlink:title=\"urn:x-wiley:09476539:media:chem202000663:chem202000663-math-0001\"\/>\nm. The structure of a microcrystal was determined using microfocused synchrotron radiation and refined as a formally commensurately modulated structure in (3+1)D superspace (superspace group <jats:italic>R<\/jats:italic><jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/chem202000663-math-0002.png\" xlink:title=\"urn:x-wiley:09476539:media:chem202000663:chem202000663-math-0002\"\/>\nm(00<jats:italic>\u03b3<\/jats:italic>)00), with a trivial basic structure that contains just one atom. The stacking sequence as well as the cation distribution are confirmed by aberration\u2010corrected scanning transmission electron microscopy (STEM) in combination with chemical mapping by X\u2010ray spectroscopy with atomic resolution. Stacking faults are not typical but have been observed occasionally.<\/jats:p>","DOI":"10.1002\/chem.202000663","type":"journal-article","created":{"date-parts":[[2020,3,27]],"date-time":"2020-03-27T16:49:50Z","timestamp":1585327790000},"page":"10676-10681","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["A Layered Tin Bismuth Selenide with Three Different Building Blocks that Account for an Extremely Large Lattice Parameter of 283\u2005\u00c5"],"prefix":"10.1002","volume":"26","author":[{"given":"Markus","family":"Nentwig","sequence":"first","affiliation":[{"name":"Institute for Mineralogy, Crystallography and Materials Science Leipzig University  Scharnhorststra\u00dfe 20 04275 Leipzig Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucien","family":"Eisenburger","sequence":"additional","affiliation":[{"name":"University of Munich (LMU) Department of Chemistry  Butenandtstra\u00dfe 5-13 81377 Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank","family":"Heinke","sequence":"additional","affiliation":[{"name":"Institute for Mineralogy, Crystallography and Materials Science Leipzig University  Scharnhorststra\u00dfe 20 04275 Leipzig Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Souchay","sequence":"additional","affiliation":[{"name":"Institute for Mineralogy, Crystallography and Materials Science Leipzig University  Scharnhorststra\u00dfe 20 04275 Leipzig Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0149-7066","authenticated-orcid":false,"given":"Oliver","family":"Oeckler","sequence":"additional","affiliation":[{"name":"Institute for Mineralogy, Crystallography and Materials Science Leipzig University  Scharnhorststra\u00dfe 20 04275 Leipzig Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,7,27]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.inorgchem.7b00188"},{"key":"e_1_2_2_2_1","unstructured":"\u00a0"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41586-019-0944-6"},{"key":"e_1_2_2_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/nchem.1171"},{"key":"e_1_2_2_5_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1173034"},{"key":"e_1_2_2_6_1","unstructured":"\u00a0"},{"key":"e_1_2_2_7_2","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemmater.8b05017"},{"key":"e_1_2_2_8_2","unstructured":"M.\u2005M. 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B. M.","year":"2010","journal-title":"Proc. 31st Ris\u00f8 Int. Symp. Mater. Sci."},{"key":"e_1_2_2_47_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201503657"},{"key":"e_1_2_2_47_3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201503657"},{"key":"e_1_2_2_48_2","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201812457"},{"key":"e_1_2_2_48_3","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201907064"},{"key":"e_1_2_2_49_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01551253"},{"key":"e_1_2_2_50_1","unstructured":"Superspace groupRm(00\u03b3)00 a=4.1819(4) c=5.6528(5)\u2005\u00c5 V=85.61(1)\u2005\u00c53 Z=3 \u03c1diff=7.7857\u2005g\u2009cm\u22123 R1 (all data)=0.0451 R1 [I>2\u03c3(I)]=0.0446 wR(all)=0.0699 wR[I>2\u03c3(I)]=0.0678 Rint=0.0310 R\u03c3=0.054 12 parameters for 6375\u2005reflections (411 independent). 3D model: space groupRm a=4.1819(4) c=282.64(6) \u00c5. 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