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In addition to the traditional SnH<jats:sub>4<\/jats:sub>, new hydrides SnH<jats:sub>8<\/jats:sub>, SnH<jats:sub>12<\/jats:sub>and SnH<jats:sub>14<\/jats:sub>are found to be thermodynamically stable at high pressure. Dynamical stability and superconductivity of tin hydrides are systematically investigated. I\"Equation missing\"m2-SnH<jats:sub>8<\/jats:sub>, C2\/m-SnH<jats:sub>12<\/jats:sub>and C2\/m-SnH<jats:sub>14<\/jats:sub>exhibit higher superconducting transition temperatures of 81, 93 and 97\u2009K compared to the traditional compound SnH4 with T<jats:italic>c<\/jats:italic>of 52\u2009K at 200\u2009GPa. An interesting bent H<jats:sub>3<\/jats:sub>\u2013group in I\"Equation missing\"m2-SnH<jats:sub>8<\/jats:sub>and novel linear H\"Equation missing\"in C2\/m-SnH<jats:sub>12<\/jats:sub>are observed. All the new tin hydrides remain metallic over their predicted range of stability. The intermediate-frequency wagging and bending vibrations have more contribution to electron-phonon coupling parameter than high-frequency stretching vibrations of H2 and H3.<\/jats:p>","DOI":"10.1038\/srep22873","type":"journal-article","created":{"date-parts":[[2016,3,11]],"date-time":"2016-03-11T10:37:25Z","timestamp":1457692645000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":44,"title":["Superconductivity of novel tin hydrides (SnnHm) under pressure"],"prefix":"10.1038","volume":"6","author":[{"given":"M.","family":"Mahdi Davari Esfahani","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhenhai","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Artem R.","family":"Oganov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huafeng","family":"Dong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiang","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shengnan","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maksim S.","family":"Rakitin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiang-Feng","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2016,3,11]]},"reference":[{"key":"BFsrep22873_CR1","doi-asserted-by":"publisher","first-page":"1479","DOI":"10.1088\/0034-4885\/69\/5\/R05","volume":"69","author":"WJ Nellis","year":"2006","unstructured":"Nellis, W. 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