Data Item _cell.angle_alpha

General

Item name
_cell.angle_alpha
Category name
cell
Attribute name
angle_alpha
Required in PDB entries
no
Used in current PDB entries
Yes, in about 93.9 % of entries

Item Description

Unit-cell angle alpha of the reported structure in degrees.

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]+)?
Default value
90.0
Units
degrees

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0 180.0

Subcategories

Subcategory Name Subcategory Description
cell_angle The collection of alpha, beta, and gamma angles of a unit cell.

Aliases

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