A. A. Vorobyova, A. I. Shilov, A. I. Boltalin, S. I. Troyanov, I. V. Morozov, “Synthesis and crystal structure of the pyridinium acid nitrate [(PyH)2(NO3)][H2(NO3)3] containing a dihydrogen trinitrate anion”, Mendeleev Commun., 31:3 (2021), 356

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Communications

Synthesis and crystal structure of the pyridinium acid nitrate [(PyH)₂(NO₃)][H₂(NO₃)₃] containing a dihydrogen trinitrate anion

A. A. Vorobyova, A. I. Shilov, A. I. Boltalin, S. I. Troyanov, I. V. Morozov

Department of Chemistry, M.V. Lomonosov Moscow State University, Moscow, Russian Federation

Аннотация: A new protic room-temperature ionic liquid (T_c=14 ± 1°C) – pyridinium hydrogen dinitrate – was obtained from a solution of pyridinium nitrate in anhydrous nitric acid in a desiccator with P₂O₅. According to single crystal X-ray diffraction data, the solid state structure of [(PyH)₂(NO₃)][H₂(NO₃)₃] consists of hydrogen bonded cations [(PyH)₂(NO₃)]⁺ and anions [(NO₃)(HNO₃)₂]⁻ with a previously unknown configuration containing two HNO₃ molecules linked via hydrogen bonds to the central NO₃^- anion by the sin–anti type.

Ключевые слова: acid salts, dihydrogen trinitrate, crystal structure, ionic liquid, hydrogen bond.

Язык публикации: английский

DOI: 10.1016/j.mencom.2021.04.024