![[CIF logo]](https://www.iucr.org/__data/assets/image/0015/131037/CIF_white.png "[CIF home page]")
![[CIF logo]](https://www.iucr.org/__data/assets/image/0003/125499/CIF_v2.5.jpg)
Macromolecular dictionary (mmCIF) version 2.0.09
_geom_hbond.dist_HA
Name:'_geom_hbond.dist_HA'
Definition:
The distance in angstroms between the hydrogen- and acceptor- atom sites in a hydrogen bond.
Type: float
Type conditions: esd
Mandatory item: no
Alias:_geom_hbond_distance_HA (cif_core.dic version 2.0.1)
The permitted range is [0.0, infinity)
Related item: _geom_hbond.dist_HA_esd (associated_esd)
Category: geom_hbond
International Tables for Crystallography
Volume G: Definition and exchange of crystallographic data
Edited by S. R. Hall and B. McMahon
![[International Tables Vol. G]](https://www.iucr.org/__data/assets/image/0014/11156/g.gif) |
contents | |
| indexes | ||
| sample pages | ||
| purchase | ||
| CIF dictionaries |
An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.
