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The process involves i) an initial crystalline transformation from\n square\u2010<\/jats:italic>\n layer framework [Co\n 2<\/jats:sub>\n (pybz)\n 2<\/jats:sub>\n (CH\n 3<\/jats:sub>\n COO)\n 2<\/jats:sub>\n ]\u2009\u22c5\u2009DMF (\n Co2<\/jats:bold>\n ) to a 3\u2010fold interpenetrated and ordered vacancies contained framework [Co(pybz)\n 2<\/jats:sub>\n (CH\n 3<\/jats:sub>\n OH)\n 2<\/jats:sub>\n ]\u2009\u22c5\u20092CH\n 3<\/jats:sub>\n OH (\n CoM<\/jats:bold>\n ) due to in situ disassemble\u2010reassemble, ii) thermal induced departure of a pair of\n cis<\/jats:italic>\n \u2010form coordinated methanol in\n CoM<\/jats:bold>\n leads to amorphous framework\n \n a<\/jats:bold>\n <\/jats:italic>\n \u2010dCoM<\/jats:bold>\n , iii) glass transition to super\u2010cooled liquid\n \n scl<\/jats:bold>\n <\/jats:italic>\n \u2010dCoM<\/jats:bold>\n , iv) obtaining MOF glass\n \n g<\/jats:bold>\n <\/jats:italic>\n \u2010dCoM<\/jats:bold>\n upon quenching the super\u2010cooled liquid, and v) re\u2010crystallization of super\u2010cooled liquid generates 6\u2010fold interpenetrated\n \n dia<\/jats:bold>\n \u2010\n <\/jats:italic>\n net framework [Co(pybz)\n 2<\/jats:sub>\n ]\n 6n<\/jats:sub>\n (\n \n rec<\/jats:bold>\n <\/jats:italic>\n \u2010dCoM<\/jats:bold>\n ) under further heating. The access to glass from\n CoM<\/jats:bold>\n , provides a new self\u2010perturbation strategy to create MOF glasses without melting. The wider pore size distribution in amorphous\/glassy MOFs than crystalline precursor achieved the first time selective hydrocarbon gas separation by breakthrough experiments, which bring efficient separation of 1\u2009:\u200999\u2005C\n 2<\/jats:sub>\n H\n 2<\/jats:sub>\n \/C\n 2<\/jats:sub>\n H\n 4<\/jats:sub>\n by either\n \n a<\/jats:bold>\n <\/jats:italic>\n \u2010dCoM<\/jats:bold>\n or\n \n g<\/jats:bold>\n <\/jats:italic>\n \u2010dCoM<\/jats:bold>\n and produce polymer grade C\n 2<\/jats:sub>\n H\n 4<\/jats:sub>\n with purity\u226599.5\u2009% after a single adsorption process. Furthermore, the mixture of 50\u2009:\u200950\u2005C\n 3<\/jats:sub>\n H\n 6<\/jats:sub>\n \/C\n 3<\/jats:sub>\n H\n 8<\/jats:sub>\n can be separated by\n \n a<\/jats:bold>\n <\/jats:italic>\n \u2010dCoM<\/jats:bold>\n .\n <\/jats:p>","DOI":"10.1002\/anie.202411150","type":"journal-article","created":{"date-parts":[[2024,8,13]],"date-time":"2024-08-13T07:30:54Z","timestamp":1723534254000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Multiple Structural and Phase Transformations of MOF and Selective Hydrocarbon Gas Separation in its Amorphous, Glass Phase States"],"prefix":"10.1002","volume":"64","author":[{"given":"Jian","family":"Li","sequence":"first","affiliation":[{"name":"School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Guangxi Normal University Guilin 541004 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jia\u2010Xin","family":"Wu","sequence":"additional","affiliation":[{"name":"School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Guangxi Normal University Guilin 541004 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Chemistry and Bioengineering Guilin University of Technology Guilin 541004 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Chemistry and Chemical Engineering Hubei University Wuhan 430062 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mei\u2010Ling","family":"Wei","sequence":"additional","affiliation":[{"name":"School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Guangxi Normal University Guilin 541004 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chuang","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Chemistry and Chemical Engineering Hubei University Wuhan 430062 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiubing","family":"Dong","sequence":"additional","affiliation":[{"name":"School of Chemistry and Materials Science Anhui Normal University Wuhu 241002 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9985-8511","authenticated-orcid":false,"given":"Zheng","family":"Yin","sequence":"additional","affiliation":[{"name":"School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Guangxi Normal University Guilin 541004 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamedally","family":"Kurmoo","sequence":"additional","affiliation":[{"name":"School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Guangxi Normal University Guilin 541004 P. R. China"},{"name":"Strasbourg Institute of Chemistry University of Strasbourg 4 Blaise Pascal Road Strasbourg, Sedex 67008 France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7227-7688","authenticated-orcid":false,"given":"Ming\u2010Hua","family":"Zeng","sequence":"additional","affiliation":[{"name":"School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Guangxi Normal University Guilin 541004 P. R. China"},{"name":"College of Chemistry and Bioengineering Guilin University of Technology Guilin 541004 P. R. 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