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Stabilization of the Pentazolate Anion in a Zeolitic Architecture with Na 20 N 60 and Na 24 N 60 Nanocages
Author(s) -
Zhang Wenquan,
Wang Kangcai,
Li Juecheng,
Lin Zhien,
Song Siwei,
Huang Shiliang,
Liu Yu,
Nie Fude,
Zhang Qinghua
Publication year - 2018
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201710602
Subject(s) - nanocages , chemistry , ion , thermal stability , metal , inorganic chemistry , crystallography , metal organic framework , sodium , organic chemistry , catalysis , adsorption
The experimental detection and synthesis of pentazole (HN 5 ) and its anion (cyclo‐N 5 − ) have been actively pursued for the past hundred years. The synthesis of an aesthetic three‐dimensional metal–pentazolate framework (denoted as MPF‐1) is presented. It consists of sodium ions and cyclo‐N 5 − anions in which the isolated cyclo‐N 5 − anions are preternaturally stabilized in this inorganic open framework featuring two types of nanocages (Na 20 N 60 and Na 24 N 60 ) through strong metal coordination bonds. The compound MPF‐1 is indefinitely stable at room temperature and exhibits high thermal stability relative to the reported cyclo‐N 5 − salts. This finding offers a new approach to create metal–pentazolate frameworks (MPFs) and enables the future exploration of interesting pentazole chemistry and also related functional materials.