Data Item _diffrn_source.take-off_angle
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General 
- Item name
- _diffrn_source.take-off_angle
- Category name
- diffrn_source
- Attribute name
- take-off_angle
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The complement of the angle in degrees between the normal
to the surface of the X-ray tube target and the primary
X-ray beam for beams generated by traditional X-ray tubes.
Item Example
1.5
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
- degrees
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0.00 | 90.0 |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _diffrn_source_take-off_angle | cif_core.dic | 2.3 |