HFIX instructions suitable for SHELXL are generated and included in a modified .res file.
The modified .res file in written out with the .new extension.
The HFIX feature can be invoked from the PLATON main-menu by clicking on the 'HFIX RES' button.
HFIX-RES can be invoked also from one of the PLUTON menu's. However, this will work only when PLUTON is called DIRECTLY as 'platon -p' (or via 'To Platon') and not indirectly through PLATON.
Actual coordinates for H-atoms can be generated subsequently using the '.new' file as input to SHELXL.
Various 'HFIX' entry modes are available.
Atoms to HFIX can be clicked on or a loop can be started over all relevant atoms. The atom that is currently under consideration is displayed with a RED label along with the suggested HFIX code (see SHELXL manual) in square brackets. [0] indicates NO HFIX.
Suggested values can be adopted by hitting