Space group and Layer group!??

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Kåre Olaussen

Did you try to look up https://en.wikipedia.org/wiki/Layer_group, and the materials referred to there?

Maya Kaur

yeah.. I checked.. but I'm not getting it.

Like even if I consider MgO case, its (110) plane corresponds to the layer group 40 while in 3D its Fm3m (#225)

I'm not getting how to assign that. Even If I know the structure, (orthorhombic in the case) how to get which particular group it belongs to...