data_9012718
_publ_section_title
;
 X-ray powder diffraction study of synthetic palmierite, K2Pb(SO4)2
 Locality: synthetic
;
_journal_name_full               'Powder Diffraction'
_journal_page_first              92
_journal_page_last               97
_journal_paper_doi               10.1154/1.1370567
_journal_volume                  16
_journal_year                    2001
_chemical_formula_sum            'K2 O8 Pb S2'
_chemical_name_mineral           Palmierite
_space_group_IT_number           166
_symmetry_space_group_name_Hall  '-R 3 2"'
_symmetry_space_group_name_H-M   'R -3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   5.497
_cell_length_b                   5.497
_cell_length_c                   20.864
_cell_volume                     545.984
_exptl_crystal_density_diffrn    4.357
_[local]_cod_cif_authors_sg_H-M  'R -3 m'
_[local]_cod_chemical_formula_sum_orig 'K2 Pb S2 O8'
_cod_database_code               9012718
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
2/3+x,1/3+y,1/3+z
1/3+x,2/3+y,2/3+z
x,x-y,z
2/3+x,1/3+x-y,1/3+z
1/3+x,2/3+x-y,2/3+z
y,x,-z
2/3+y,1/3+x,1/3-z
1/3+y,2/3+x,2/3-z
-x+y,y,z
2/3-x+y,1/3+y,1/3+z
1/3-x+y,2/3+y,2/3+z
-x,-x+y,-z
2/3-x,1/3-x+y,1/3-z
1/3-x,2/3-x+y,2/3-z
-y,-x,z
2/3-y,1/3-x,1/3+z
1/3-y,2/3-x,2/3+z
x-y,-y,-z
2/3+x-y,1/3-y,1/3-z
1/3+x-y,2/3-y,2/3-z
y,-x+y,-z
2/3+y,1/3-x+y,1/3-z
1/3+y,2/3-x+y,2/3-z
-x+y,-x,z
2/3-x+y,1/3-x,1/3+z
1/3-x+y,2/3-x,2/3+z
-x,-y,-z
2/3-x,1/3-y,1/3-z
1/3-x,2/3-y,2/3-z
-y,x-y,z
2/3-y,1/3+x-y,1/3+z
1/3-y,2/3+x-y,2/3+z
x-y,x,-z
2/3+x-y,1/3+x,1/3-z
1/3+x-y,2/3+x,2/3-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
K 0.33333 0.66667 0.46500 0.02520
Pb 0.00000 0.00000 0.00000 0.02520
S 0.00000 0.00000 0.40330 0.02520
O1 0.00000 0.00000 0.33300 0.02520
O2 0.29600 0.14800 0.42700 0.02520
