Sequence of Structural and Magnetic Phase Transitions in (NO)Mn6(NO3)13
Anna A. Vorobyova,
Igor V. Morozov,
Tatyana M. Vasilchikova
et al.
Abstract:New nitrosonium manganese(II) nitrate, (NO)Mn6(NO3)13, has been synthesized and structurally
characterized.
In the temperature range of 45–298 K, the crystal is hexagonal
(centrosymmetric sp. gr. P63/m). Mn2+ ions are assembled into tubes along axis c with both NO3
– filling and
coating. The nitrosonium cation is located in the framework cavity
and is disordered by a 3-fold axis. At the temperature T
S1 = 190 K, a structural phase transition related to the
libration of the intertube NO3 group and a small varia… Show more
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