Index

Macromolecular dictionary (mmCIF) version 2.0.09

_refine.diff_density_rms

Definition:

   The root-mean-square-deviation of the electron density in the
   final difference Fourier map. This value is measured with respect
   to the arithmetic mean density and is derived from summations
   over each grid point in the asymmetric unit of the cell. This
   quantity is useful for assessing the significance of the values
   of _refine.diff_density_min and _refine.diff_density_max, and
   also for defining suitable contour levels.

Type: float

Type conditions: esd

Mandatory item: no

Related item: _refine.diff_density_rms_esd (associated_esd)

Category: refine