|
International
Tables for Crystallography Volume G Definition and exchange of crystallographic data Edited by J. R. Hester and B. McMahon © International Union of Crystallography 2026 |
International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001011 Chapter 4.2 Core dictionary (coreCIF) |
Core dictionary version 3.3.0
_atom_site.attached_hydrogens
Name:_atom_site.attached_hydrogens
Alias:
_atom_site_attached_hydrogens
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. |
Type: Integer
Units: none
The permitted range is 0 → 8
Category:
atom_site
