Data Item _cell.length_a

General

Item name
_cell.length_a
Category name
cell
Attribute name
length_a
Required in PDB entries
no
Used in current PDB entries
Yes, in about 94.1 % of entries

Item Description

Unit-cell length a corresponding to the structure reported in angstroms.

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]+)?
Units
angstroms

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0

+∞

Subcategories

Subcategory Name Subcategory Description
cell_length The collection of a, b, and c axis lengths of a unit cell.

Aliases

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