I need to integrate the charge density over the unit cell in one
direction. I used macroave in the Util folder of SIESTA package, but
it doesn't work for spin polarized basis sets.

I tried to do it by hand, so I used rho2xsf to convert RHO to a
readable format, but I can not understand what are that 6 column in
the output file.

Best regards,

Leila

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