title: MmHn(XO4)(m + n)/2 crystals: structure, phase transitions, hydrogen bonds, conductivity. II. Structure and properties of Cs3(HSO4)2(H2PO4) and Cs4(HSO4)3(H2PO4) single crystals.
abstract: Cs3(HSO4)2(H2PO4) and Cs4(HSO4)3(H2PO4) single crystals were obtained for the first time based on a systematic study of the phase diagram of the CsHSO4-CsH2PO4-H2O ternary system. To reveal the structural conditionality for anomalies in physical properties, including dielectric and optical properties, diffraction studies of the crystal structure of Cs3(HSO4)2(H2PO4) and Cs4(HSO4)3(H2PO4) were performed, and their common structural features and differences were analyzed.
authors.affiliation: Shubnikov Institute of Crystallography Russian Academy of Sciences, Leninsky prosp. 59, Moscow 119333, Russian Federation.
authors.forename: Irina
authors.initials: I
authors.lastname: Makarova
authors.affiliation: Shubnikov Institute of Crystallography Russian Academy of Sciences, Leninsky prosp. 59, Moscow 119333, Russian Federation.
authors.forename: Vadim
authors.initials: V
authors.lastname: Grebenev
authors.affiliation: Shubnikov Institute of Crystallography Russian Academy of Sciences, Leninsky prosp. 59, Moscow 119333, Russian Federation.
authors.forename: Elena
authors.initials: E
authors.lastname: Dmitricheva
authors.affiliation: Shubnikov Institute of Crystallography Russian Academy of Sciences, Leninsky prosp. 59, Moscow 119333, Russian Federation.
authors.forename: Ilya
authors.initials: I
authors.lastname: Vasiliev
authors.affiliation: Shubnikov Institute of Crystallography Russian Academy of Sciences, Leninsky prosp. 59, Moscow 119333, Russian Federation.
authors.forename: Vladimir
authors.initials: V
authors.lastname: Komornikov
authors.affiliation: Shubnikov Institute of Crystallography Russian Academy of Sciences, Leninsky prosp. 59, Moscow 119333, Russian Federation.
authors.forename: Valentina
authors.initials: V
authors.lastname: Dolbinina
authors.affiliation: Swiss-Norwegian Beam Lines at European Synchrotron Radiation Facility, 6 Rue Jules Horowitz, Grenoble 38000, France.
authors.forename: Alexey
authors.initials: A
authors.lastname: Mikheykin
keywords: X-ray analysis; high temperature; hydrogen bonds; structural conditionality; superprotonic phase transitions