Data Item _refine.ls_extinction_expression
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General 
- Item name
- _refine.ls_extinction_expression
- Category name
- refine
- Attribute name
- ls_extinction_expression
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
A description of or reference to the extinction-correction
equation used to apply the data item
_refine.ls_extinction_coef. This information must be sufficient
to reproduce the extinction-correction factors applied to the
structure factors.
Item Example
Larson, A. C. (1970). "Crystallographic Computing", edited by
F. R. Ahmed. Eq. (22), p.292. Copenhagen: Munksgaard.
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 |
|---|---|---|
| _refine_ls_extinction_expression | cif_core.dic | 2.0.1 |