data_global
_chemical_name_mineral 'Plagionite'
loop_
_publ_author_name
'Cho S A'
'Wuensch B J'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 139 
_journal_year 1974
_journal_page_first 351
_journal_page_last 378
_publ_section_title
;
 The crystal structure of plagionite, Pb5Sb8S17,
 the second member in the homologous series Pb3+2nSb8S15+2n
;
_database_code_amcsd 0010763
_chemical_compound_source 'Wolfsberg, Harz, Germany'
_chemical_formula_sum 'Pb5 Sb8 S17'
_cell_length_a 13.4857
_cell_length_b 11.8656
_cell_length_c 19.9834
_cell_angle_alpha 90
_cell_angle_beta 107.168
_cell_angle_gamma 90
_cell_volume 3055.185
_exptl_crystal_density_diffrn      5.555
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Pb1   0.50000   0.68010   0.75000   0.03394
Pb2  -0.23100   0.62590   0.67800   0.02761
Pb3   0.26340   0.41380   0.55160   0.03382
Sb1   0.00180   0.51840   0.60530   0.03217
Sb2   0.49060   0.30470   0.47150   0.02242
Sb3   0.72900   0.19040   0.41430   0.02318
Sb4   0.95390   0.12500   0.33290   0.02280
S1   0.00000   0.74310   0.75000   0.03040
S2  -0.81880   0.73380   0.67090   0.02660
S3  -0.61130   0.63870   0.60170   0.01900
S4  -0.36990   0.52580   0.55830   0.02406
S5  -0.10870   0.41600   0.49910   0.02153
S6   0.13140   0.31040   0.43670   0.02026
S7   0.38120   0.19260   0.37590   0.02786
S8   0.61350   0.07660   0.32100   0.02153
S9   0.85320  -0.00460   0.24380   0.02533