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A mixed molecular salt of lithium and sodium breaks the Hume-Rothery rules for solid solutions
- Lestari, Monica, Lusi, Matteo
- Chemical communications 2019 v.55 no.16 pp. 2297-2300
- cations, chemical reactions, drugs, lithium, salts, sodium, solid solutions, thermal stability
- The first molecular solid solution of lithium and sodium ions is reported. In spite of the different chemical and structural properties of the parent compounds, the two cations form a homogeneous mixed phase with the isoorotate ion. Such observation appears in contrast with the Hume-Rothery principles for solid solutions. Furthermore the mixed salts in the series are thermally stable up to 100 °C and non-hygroscopic, which makes them relevant for their potential use as a lithium drug substance.