|
International
Tables for Crystallography Volume G Definition and exchange of crystallographic data Edited by J. R. Hester and B. McMahon © International Union of Crystallography 2026 |
International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001011 Chapter 4.2 Core dictionary (coreCIF) |
Core dictionary version 3.3.0
_refine_diff.density_min
Name:_refine_diff.density_min
Aliases:
_refine_diff_density_min
_refine.diff_density_min
Definition:
The minimum density value in a difference Fourier map.
Type: Real
The permitted range is -infinity → 100.0
Definition method:
# Default units. Applicable to x-ray, electron and gamma radiation.
_units.code = "electrons_per_angstrom_cubed"
If (_diffrn_radiation.probe == "neutron")
_units.code = "femtometres_per_angstrom_cubed"
Category:
refine_diff
