Data Item _exptl_crystal.density_meas
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General 
- Item name
- _exptl_crystal.density_meas
- Category name
- exptl_crystal
- Attribute name
- density_meas
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.06 % of entries
Item Description
Density values measured using standard chemical and physical
methods. The units are megagrams per cubic metre (grams per
cubic centimetre).
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
- megagrams_per_cubic_metre
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0.0 | +∞ |
Related Items 
| Related Item Name | Relation Type |
|---|---|
| _exptl_crystal.density_meas_esd | associated_esd |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _exptl_crystal_density_meas | cif_core.dic | 2.3 |