Macromolecular dictionary (mmCIF) version 2.0.09
The minimum transmission factor for the crystal and radiation. The maximum and minimum transmission factors are also referred to as the absorption correction A or 1/A*.
Mandatory item: noAlias:
_exptl_absorpt_correction_T_min (cif_core.dic version 2.0.1)
The permitted range is [0.0, 1.0]