data_on_this_dictionary
    _dictionary_version 0.1
    _dictionary_name test

data_cell_volume
    _name                      '_cell_volume'
    _category                    cell
    _type                        numb
    _type_conditions             esd
    _enumeration_range           0.0:
    _units                       A^3^
    _units_detail              'cubic angstroms'
    _definition
;              Cell volume V in angstroms cubed.
;

