Definition:
The number of hydrogen atoms attached to the atom at this site excluding any hydrogen atoms for which coordinates (measured or calculated) are given.Examples:
| 2 | water oxygen |
| 1 | hydroxyl oxygen |
| 4 | ammonium nitrogen |
Appears in list containing _atom_site_label
The permitted range is 0 -> 8
Enumeration default: 0
Type: numb
Category: atom_site
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