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Investigation of structural transformations in pyridine nitrate at low temperatures and high pressures

机译:低温高压下硝酸吡啶的结构转变研究

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The structural transformations in pyridine nitrate PyHNO3 (C5D5NHNO3) are investigated by neutron diffraction in the temperature range 16-300 K at normal pressure and in the high-pressure range 0-3.5 GPa at room temperature. A new high-pressure phase with a monoclinic structure (space group P2(1)/c) is revealed in the PyHNO3 compound at pressures P > P-tr similar to I GPa. The geometry of hydrogen bonds and the coordination of the PyH+ and NO3- ions in the structure of the PyHNO3 compound are studied as a function of the temperature and pressure. (C) 2005 Pleiades Publishing, Inc.
机译:硝酸吡啶吡啶PyHNO3(C5D5NHNO3)的结构转变通过中子衍射在常压下16-300 K的温度范围内和在室温下0-3.5 GPa的高压范围内进行研究。在PyHNO3化合物中,类似于I GPa的压力P> P-tr,发现了具有单斜晶结构的新高压相(空间群P2(1)/ c)。研究了PyHNO3化合物结构中氢键的几何形状以及PyH +和NO3-离子的配位与温度和压力的关系。 (C)2005年Pleiades Publishing,Inc.

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