rotation axes

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  • March 8, 2021 at 11:03 am #3646 Score: 0
    Stijn
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    I think the Fe-II atoms at the face centers of the cube have 3 rotation axes. One 4-fold rotation axis perpendicular to the face and two (mutually perperdicular) 2-fold rotation axes that lay in the face and are parallel to the sides of that face. The 4-fold rotation axis is the z-axis of the PAS and has axial symmetry.

    The Fe-I atoms at the corners of the cube have three 4-fold rotation axes parallel to the sides of the cube intersection at the corner of the cube. Any of these axes can be chosen as z-axis of the PAS with axial symmetry.

    March 8, 2021 at 11:04 am #3647 Score: 0
    Stijn
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    And in addition the EFG tensor vansishes for the Fe-I atoms because there are multiple 4-fold axes.

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