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Phase transitions and H2O motions in [Ca(H2O)4](ClO4)2 studied by infrared spectroscopy, inelastic/quasielastic incoherent neutron scattering and proton magnetic resonance. Part II

✍ Scribed by Joanna Hetmańczyk; Anna Migdał-Mikuli; Edward Mikuli; Krystyna Hołderna-Natkaniec; Łukasz Hetmańczyk; Ireneusz Natkaniec


Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
593 KB
Volume
923
Category
Article
ISSN
0022-2860

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Four phase transitions at: T h C1 ¼ 267:1 K, T h C2 ¼ 258:8 K, T h C3 ¼ 254:1 K and T h C4 ¼ 195:4 K (on heating) and at T c C1 ¼ 263:8 K, T c C2 ¼ 255:4 K, T c C3 ¼ 246:0 K (on cooling) were determined for [Ca(H 2 O) 4 ](ClO 4 ) 2 between 90 and 295 K by means of differential scanning calorimetry