Data Item _cell.reciprocal_length_a

General

Item name
_cell.reciprocal_length_a
Category name
cell
Attribute name
reciprocal_length_a
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

The reciprocal cell length (recip-a) in inverse angstroms. (recip-a), (recip-b) and (recip-c) are related to the real cell by the following equation: recip-a = b*c*sin(alpha)/V recip-b = c*a*sin(beta)/V recip-c = a*b*sin(gamma)/V where V is the cell volume. Ref: Buerger, M. J. (1942). X-ray Crystallography, p. 360. New York: John Wiley & Sons Inc.

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
reciprocal_angstroms

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0

+∞

Aliases

Alias Item Name Dictionary Name Dictionary Version
_cell_reciprocal_length_a cif_core.dic 2.3