[OMX] section

[OMX] section is required only if you use OpenMX (calc_code = OMX)

Name	Value	Description
`kppvol`	int [int …]	Grid density per Å**(-3) of reciprocal cell in each stage
`OMX_infile`	str	File name of OpenMX input file.
`OMX_outfile`	str	File name of OpenMX output file.
`ValenceElectrons`	str float float [str float float …]	The number of initial charges for up and down spin states.

kppvol

e.g. in NaCl: ValenceElectrons = Na 4.5 4.5 Cl 3.5 3.5.