Data Item _cell.formula_units_Z
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General 
- Item name
- _cell.formula_units_Z
- Category name
- cell
- Attribute name
- formula_units_Z
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.002 % of entries
Item Description
The number of the formula units in the unit cell as specified
by _chemical_formula.structural, _chemical_formula.moiety or
_chemical_formula.sum.
Data Type 
- Data type code
- int
- Data type detail
- int item types are the subset of numbers that are the negative or positive integers.
- Primitive data type code
- numb
- Regular expression
- -?[0-9]+
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 1 | +∞ |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _cell_formula_units_Z | cif_core.dic | 2.0.1 |