Data Item _diffrn.ambient_temp
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General 
- Item name
- _diffrn.ambient_temp
- Category name
- diffrn
- Attribute name
- ambient_temp
- Required in PDB entries
- no
- Required for PDB deposition
- yes
- Used in current PDB entries
- Yes, in about 80.7 % of entries
Item Description
The mean temperature in kelvins at which the intensities were
measured.
Additional Descriptive Information for Depositors
The usual temperature when using cold nitrogen gas stream is around T=100 K
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
- kelvins
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0.0 | 450.0 |
Advisory Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 80 | 300 |
Related Items 
| Related Item Name | Relation Type |
|---|---|
| _diffrn.ambient_temp_esd | associated_esd |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _diffrn_ambient_temperature | cif_core.dic | 2.0.1 |