data_global
_chemical_name_mineral 'Quenselite'
loop_
_publ_author_name
'Bystrom A'
_journal_name_full 'Arkiv for Kemi, Mineralogi och Geologi'
_journal_volume 19 
_journal_year 1944
_journal_page_first 1
_journal_page_last 9
_publ_section_title
;
 The structure of quenselite, PbMnO2OH
;
_database_code_amcsd 0020691
_chemical_compound_source 'Langban, Sweden'
_chemical_formula_sum 'Pb Mn O3 H'
_cell_length_a 9.118
_cell_length_b 5.676
_cell_length_c 5.604
_cell_angle_alpha 90
_cell_angle_beta 87.0
_cell_angle_gamma 90
_cell_volume 289.631
_exptl_crystal_density_diffrn      7.136
_symmetry_space_group_name_H-M 'P 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,-y,1/2+z'
  '-x,y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pb   0.34170  -0.25000   0.51390
Mn1   0.00000  -0.12500   0.25000
Mn2   0.00000   0.37500   0.25000
O1   0.10970  -0.12500   0.57220
O2   0.10970   0.37500   0.57220
O-H3   0.50000  -0.12500   0.25000
O-H4   0.50000   0.37500   0.25000