data_9004221
_publ_section_title
;
 Revised unit cell dimensions, space group,
 and chemical formua of some metallic minerals
 Note: cell edges taken from Handbook of Mineralogy
;
_journal_name_full               'The Canadian Mineralogist'
_journal_page_first              751
_journal_page_last               755
_journal_volume                  28
_journal_year                    1990
_chemical_formula_sum            'Hg Pd'
_chemical_name_mineral           Potarite
_space_group_IT_number           123
_symmetry_space_group_name_Hall  '-P 4 2'
_symmetry_space_group_name_H-M   'P 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   3.026
_cell_length_b                   3.026
_cell_length_c                   3.702
_cell_volume                     33.898
_exptl_crystal_density_diffrn    15.039
_cod_database_code               9004221
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,-x,z
y,x,-z
y,-x,-z
-y,x,z
x,-y,z
-x,y,-z
x,y,-z
-x,-y,z
y,x,z
-y,-x,-z
-y,x,-z
y,-x,z
-x,y,z
x,-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Hg 0.00000 0.00000 0.00000
Pd 0.50000 0.50000 0.50000
