Data Item _chemical_formula.analytical
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General 
- Item name
- _chemical_formula.analytical
- Category name
- chemical_formula
- Attribute name
- analytical
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
Formula determined by standard chemical analysis including trace
elements. See the CHEMICAL_FORMULA category description for
rules for writing chemical formulae. Parentheses are used only
for standard uncertainties (estimated standard deviations).
Item Example
Fe2.45(2) Ni1.60(3) S4
Data Type 
- Data type code
- text
- Data type detail
- text item types / multi-line text ...
- Primitive data type code
- char
- Regular expression
- [][ \n\t()_,.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _chemical_formula_analytical | cif_core.dic | 2.0.1 |