Data Item _refln.pdbx_F_minus_sigma

General

Item name
_refln.pdbx_F_minus_sigma
Category name
refln
Attribute name
pdbx_F_minus_sigma
Required in PDB entries
no
Used in current PDB entries
Yes, in about 0.001 % of entries

Item Description

The standard uncertainty (derived from measurement) of the structure factor F(-h,-k,-l) of the Friedel pair.

Data Type

Data type code
float
Data type detail
float item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?