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Core CIF Dictionary version 2.3




Category: atom_site

Data type: char

Related item: '_atom_site_thermal_displace_type'
Related function: alternate

Must appear in a looped list containing '_atom_site_label'

Permitted values:

Uani 'anisotropic Uij'
Uiso 'isotropic U'
Uovl 'overall U'
Umpe 'multipole expansion U'
Bani 'anisotropic Bij'
Biso 'isotropic B'
Bovl 'overall B'


A standard code used to describe the type of atomic displacement parameters used for the site.

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