data_global
_chemical_name_mineral 'Crichtonite'
loop_
_publ_author_name
'Grey I E'
'Lloyd D J'
'White J S'
_journal_name_full 'American Mineralogist'
_journal_volume 61 
_journal_year 1976
_journal_page_first 1203
_journal_page_last 1212
_publ_section_title
;
 The structure of crichtonite and its relationship to senaite
;
_database_code_amcsd 0000535
_chemical_formula_sum 'Sr.7 Pb.1 La.05 Ce.05 Mn.7 Fe6.698 Ti13.602 O38'
_cell_length_a 9.148
_cell_length_b 9.148
_cell_length_c 9.148
_cell_angle_alpha 69.078
_cell_angle_beta 69.078
_cell_angle_gamma 69.078
_cell_volume 644.398
_exptl_crystal_density_diffrn      4.555
_symmetry_space_group_name_H-M 'R -3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-z,-x,-y'
  'y,z,x'
  '-x,-y,-z'
  'z,x,y'
  '-y,-z,-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Sr   0.00000   0.00000   0.00000   0.70000   0.00788
Pb   0.00000   0.00000   0.00000   0.10000   0.00788
La   0.00000   0.00000   0.00000   0.05000   0.00788
Ce   0.00000   0.00000   0.00000   0.05000   0.00788
Mn1   0.50000   0.50000   0.50000   0.70000   0.00108
Fe1   0.50000   0.50000   0.50000   0.30000   0.00108
Fe2   0.31002   0.31002   0.31002   1.00000   0.00386
Fe3   0.34821   0.01996   0.12540   0.73300   0.00384
Ti1   0.34821   0.01996   0.12540   0.26700   0.00384
Ti2   0.30861   0.15018   0.71802   1.00000   0.00491
Ti3   0.47337   0.64054   0.08370   1.00000   0.00423
O1   0.30300   0.37824   0.62878   1.00000   0.01267
O2   0.15029   0.93711   0.23654   1.00000   0.01115
O3   0.91852   0.30110   0.45916   1.00000   0.00798
O4   0.14475   0.98866   0.51544   1.00000   0.00950
O5   0.39014   0.13445   0.48615   1.00000   0.00811
O6   0.70853   0.07152   0.24216   1.00000   0.00773
O7   0.21402   0.21402   0.21402   1.00000   0.00899