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Macromolecular dictionary (mmCIF) version 2.0.09
_atom_site.fract_x_esd
Name:'_atom_site.fract_x_esd'
Definition:
The standard uncertainty (estimated standard deviation) of _atom_site.fract_x.
Type: float
Mandatory item: no
Related item: _atom_site.fract_x (associated_value)
Category: atom_site
International Tables for Crystallography
Volume G: Definition and exchange of crystallographic data
Edited by S. R. Hall and B. McMahon
![[International Tables Vol. G]](https://www.iucr.org/__data/assets/image/0014/11156/g.gif) |
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An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.
