Data Item _refln.d_spacing
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General 
- Item name
- _refln.d_spacing
- Category name
- refln
- Attribute name
- d_spacing
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The d spacing in angstroms for this reflection. This is related
to the (sin theta)/lambda value by the expression
_refln.d_spacing = 2/(_refln.sint/lambda).
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
- angstroms
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0.0 | +∞ |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _refln_d_spacing | cif_core.dic | 2.3 |