氦化鈉

氦化鈉是一種鈉的貴氣體化合物，化學式為Na₂He，其結構可表示為(Na⁺)₂He(2e⁻)，於2016年由中國化學家製得。

製備[編輯]

氦化鈉由鈉與氦在高溫與極高壓（>113GPa）下合成。^[2]^[3]

Na₂He在接近1,500K的高溫下熔化，遠高於鈉的熔點。

^ Rahaman, Md Zahidur; Ali, Md Lokman; Rahman, Md Atikur. Pressure dependent mechanical and thermodynamic properties of newly discovered cubic Na2He. arXiv:1707.02704 [cond-mat]. 2017-07-10 [2017-12-02]. （原始內容存檔於2017-12-03）（英語）. .
^ Dong, Xiao; Oganov, Artem R. Stable Compound of Helium and Sodium at High Pressure. Nature Chemistry. 25 April 2014, 9 (5): 440. Bibcode:2017NatCh...9..440D. PMID 28430195. arXiv:1309.3827 . doi:10.1038/nchem.2716.
^ Dong, Xiao; Oganov, Artem R.; Goncharov, Alexander F.; Stavrou, Elissaios; Lobanov, Sergey; Saleh, Gabriele; Qian, Guang-Rui; Zhu, Qiang; Gatti, Carlo; Deringer, Volker L.; Dronskowski, Richard; Zhou, Xiang-Feng; Prakapenka, Vitali B.; Konôpková, Zuzana; Popov, Ivan A.; Boldyrev, Alexander I.; Wang, Hui-Tian. A stable compound of helium and sodium at high pressure. Nature Chemistry. 6 February 2017, 9 (5): 440. Bibcode:2017NatCh...9..440D. PMID 28430195. doi:10.1038/nchem.2716.

這是一篇與化學相關的小作品。你可以透過編輯或修訂擴充其內容。