Data Item _pdbx_diffrn_unmerged_cell.cell_volume

General

Item name
_pdbx_diffrn_unmerged_cell.cell_volume
Category name
pdbx_diffrn_unmerged_cell
Attribute name
cell_volume
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

Cell volume V in angstroms cubed. V = a b c (1 - cos2alpha - cos2beta - cos2gamma + 2 cosalpha cosbeta cosgamma)1/2 a = _pdbx_diffrn_unmerged_cell.cell_length_a b = _pdbx_diffrn_unmerged_cell.cell_length_b c = _pdbx_diffrn_unmerged_cell.cell_length_c alpha = _pdbx_diffrn_unmerged_cell.cell_angle_alpha beta = _pdbx_diffrn_unmerged_cell.cell_angle_beta gamma = _pdbx_diffrn_unmerged_cell.cell_angle_gamma

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_cubed

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0

+∞