What is X'' in band structure calculation using VASP software?

[Dita Puspita]

Hi Guys,

I am Dita.
I start to calculate the band structure of organic material using VASP software.
And I am confused about K-POINTS/ K-Vector that I have to set. For example Gamma is (0,0,0); X is (0.5, 0, 0). X' is (-0.5, 0, 0). But what is X''?

 

[Evo]

Welcome Dita,

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