Data Item _pdbx_diffrn_merged_cell.cell_volume
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General 
- Item name
- _pdbx_diffrn_merged_cell.cell_volume
- Category name
- pdbx_diffrn_merged_cell
- Attribute name
- cell_volume
- Required in PDB entries
- no
- Used in current 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_merged_cell.cell_length_a
b = _pdbx_diffrn_merged_cell.cell_length_b
c = _pdbx_diffrn_merged_cell.cell_length_c
alpha = _pdbx_diffrn_merged_cell.cell_angle_alpha
beta = _pdbx_diffrn_merged_cell.cell_angle_beta
gamma = _pdbx_diffrn_merged_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 | +∞ |