data_9009356
_chemical_name 'Cechite'
loop_
_publ_author_name
'Pertlik F'
_journal_name_full "Neues Jahrbuch fur Mineralogie, Monatshefte"
_journal_volume 1989
_journal_year 1989
_journal_page_first 34
_journal_page_last 40
_publ_section_title
;
 The crystal structure of cechite, Pb(Fe,Mn)(VO4)(OH) with Fe>Mn. A mineral of t
 Locality: Vrancice, Bohemian pluton, Pribram, Czechoslovakia (Czech Republic)
;
_chemical_formula_sum 'Pb (Fe.8 Mn.2) V O5 H'
_cell_length_a 7.605
_cell_length_b 9.435
_cell_length_c 6.099
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 437.623
_symmetry_space_group_name_H-M 'P n a m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Pb   0.13061   0.17430   0.25000   1.00000
Fe   0.50000   0.00000   0.00000   0.80000
Mn   0.50000   0.00000   0.00000   0.20000
V   0.86470   0.19070   0.75000   1.00000
O1   0.87510   0.29380   0.51130   1.00000
O2   0.03990   0.08510   0.75000   1.00000
O3   0.68650   0.07580   0.75000   1.00000
O-H   0.65070   0.06930   0.25000   1.00000