Category: refine
Data type: char
Permitted values:
'refA' 'refined H displacive modulation parameters only'
'refxyzA' 'refined H coordinates and displacive modulation parameters only'
'refP' 'refined H occupational modulation parameters only'
'refUP' 'refined H U and occupational modulation parameters only'
'nomod' 'no modulation of H parameters'
Enumeration default: 'nomod'
Treatment of hydrogen modulation parameters in the least-squares refinement.