Research output: Contribution to journal › Article › peer-review
A high-pressure single-crystal X-ray diffraction study of potassium guaninate hydrate, K+·C5H4N5O-·H2O. / Gaydamaka, Anna A; Rashchenko, Sergey V; Semerikova, Anna I et al.
In: Acta crystallographica Section B, Structural science, crystal engineering and materials, Vol. 79, No. Pt 6, 01.12.2023, p. 495-509.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - A high-pressure single-crystal X-ray diffraction study of potassium guaninate hydrate, K+·C5H4N5O-·H2O
AU - Gaydamaka, Anna A
AU - Rashchenko, Sergey V
AU - Semerikova, Anna I
AU - Smirnova, Ekaterina S
AU - Ivanova, Anna G
AU - Arkhipov, Sergey G
AU - Zakharov, Boris A
AU - Bogdanov, Nikita E
AU - Boldyreva, Elena V
PY - 2023/12/1
Y1 - 2023/12/1
N2 - The crystal structure of potassium guaninate hydrate, K+·C5H4N5O-·H2O, was studied in the pressure range of 1 atm to 7.3 GPa by single-crystal diffraction using synchrotron radiation and a laboratory X-ray diffraction source. Structural strain was compared to that of the same salt hydrate on cooling, and in 2Na+·C5H3N5O2-·7H2O under hydrostatic compression and on cooling. A polymorphic transition into a new, incommensurately modulated, phase was observed at ∼4-5 GPa. The transition was reversible with a hysteresis: the satellite reflections disappeared on decompression to ∼1.4 GPa.
AB - The crystal structure of potassium guaninate hydrate, K+·C5H4N5O-·H2O, was studied in the pressure range of 1 atm to 7.3 GPa by single-crystal diffraction using synchrotron radiation and a laboratory X-ray diffraction source. Structural strain was compared to that of the same salt hydrate on cooling, and in 2Na+·C5H3N5O2-·7H2O under hydrostatic compression and on cooling. A polymorphic transition into a new, incommensurately modulated, phase was observed at ∼4-5 GPa. The transition was reversible with a hysteresis: the satellite reflections disappeared on decompression to ∼1.4 GPa.
UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85179885639&origin=inward&txGid=c7814e60f78b2a3fb094791f5ebc9cae
UR - https://www.mendeley.com/catalogue/a297b977-91f4-3ab3-bce8-cf347f411952/
U2 - 10.1107/S2052520623008740
DO - 10.1107/S2052520623008740
M3 - Article
C2 - 37934491
VL - 79
SP - 495
EP - 509
JO - Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials
JF - Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials
SN - 2052-5192
IS - Pt 6
ER -
ID: 57539056