Data Item _atom_site.fract_x

General

Item name
_atom_site.fract_x
Category name
atom_site
Attribute name
fract_x
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

The x coordinate of the atom-site position specified as a fraction of _cell.length_a.

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]+)?

Subcategories

Subcategory Name Subcategory Description
fractional_coordinate The collection of x, y, and z components of a position specified
with reference to unit cell directions.

Aliases

Alias Item Name Dictionary Name Dictionary Version
_atom_site_fract_x cif_core.dic 2.0.1