data_9009864
_chemical_name 'Finnemanite'
loop_
_publ_author_name
'Gabrielson O'
_journal_name_full "Arkiv for Mineralogi och Geologi"
_journal_volume 2
_journal_year 1956
_journal_page_first 1
_journal_page_last 8
_publ_section_title
;
 The crystal structure of finnemanite Pb5Cl(AsO3)3
 Locality: Langban, Varmland, Sweden
;
_chemical_formula_sum 'Pb5 Cl As3 O9'
_cell_length_a 10.28
_cell_length_b 10.28
_cell_length_c 7
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 640.641
_symmetry_space_group_name_H-M 'P 63'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x-y,x,1/2+z'
  '-y,x-y,z'
  '-x,-y,1/2+z'
  '-x+y,-x,z'
  'y,-x+y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pb1   0.00000   0.00000   0.00000
Pb2   0.33333   0.66667   0.62000
Pb3   0.30000   0.40000   0.25000
Cl   0.33333   0.66667   0.12000
As   0.27000   0.37000   0.77000
O1   0.20500   0.17000   0.75000
O2   0.14500   0.44000   0.82000
O3   0.37500   0.44500   0.55000