Data Item _diffrn_radiation.polarisn_norm
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General 
- Item name
- _diffrn_radiation.polarisn_norm
- Category name
- diffrn_radiation
- Attribute name
- polarisn_norm
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The angle in degrees, as viewed from the specimen, between the
perpendicular component of the polarization and the diffraction
plane. See _diffrn_radiation_polarisn_ratio.
Data Type 
- Data type code
- float
- Data type detail
- float item types are the subset of numbers that are the floating point numbers.
- Primitive data type code
- numb
- Regular expression
- -?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?
- Units
- degrees
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| -90.0 | 90.0 |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _diffrn_radiation_polarisn_norm | cif_core.dic | 2.0.1 |