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首页> 外文期刊>Acta Crystallographica, Section B. Structural Science >The incommensurate structure of K3In(PO4)(2)
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The incommensurate structure of K3In(PO4)(2)

机译：K3In（PO4）（2）的不对称结构

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The incommensurately modulated structure of K3In(PO4)(2) has been solved and refined. The origin of the modulation relates to the ordering of K cations within the hexagonal close packing of the PO4 anions. The driving forces for the modulation of the other cations are In-P and K-P interactions. The modulation of O atoms of rigid PO4 units follows the cations in order to stabilize the InO6 octahedron. It is shown that the previously published three-dimensional structure rerned from powder diffraction data obtained at room temperature is an average structure. Therefore the incommensurately modulated phase of K3In(PO4)(2) is the only one that has been unequivocally identired at room temperature. The origin of the modulation is discussed in comparison with the structures of Na3InP2, alpha- and beta-Na3In(PO4)(2), Na3Fe(PO4)(2) and Rb3In(PO4)(2). [References: 11]
机译：解决和完善了K3In（PO4）（2）的无比调制结构。调制的起源与PO4阴离子的六方密堆积中K阳离子的排序有关。调制其他阳离子的驱动力是In-P和K-P相互作用。刚性PO4单元的O原子调制遵循阳离子，以稳定InO6八面体。结果表明，从室温下获得的粉末衍射数据中删去的先前公开的三维结构是平均结构。因此，K3In（PO4）（2）的无相适应的调制相是在室温下唯一被明确识别的相。与Na3InP2，α-和β-Na3In（PO4）（2），Na3Fe（PO4）（2）和Rb3In（PO4）（2）的结构相比，讨论了调制的起源。 [参考：11]

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