data_9004597
_chemical_name 'Belovite-(Ce)'
loop_
_publ_author_name
'Rakovan J F'
'Hughes J M'
_journal_name_full "The Canadian Mineralogist"
_journal_volume 38
_journal_year 2000
_journal_page_first 839
_journal_page_last 845
_publ_section_title
;
 Strontium in the apatite structure: Strontian fluorapatite and belovite-(Ce)
;
_chemical_formula_sum 'Ce1.833 Na2 Sr6 P6 O24 F2 Cl.021'
_cell_length_a 9.659
_cell_length_b 9.659
_cell_length_c 7.182
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 580.284
_symmetry_space_group_name_H-M 'P -3'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'y,-x+y,-z'
  '-x+y,-x,z'
  '-x,-y,-z'
  '-y,x-y,z'
  'x-y,x,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_Uiso_or_equiv
Ce   0.33333   0.66667   0.48227   0.91670   0.00971
Na   0.33333   0.66667   0.98810   1.50200   0.01115
Sr   0.23726  -0.01866   0.75818   1.01200   0.01349
P   0.59700  -0.37300   0.25340   1.00000   0.01001
O(1)   0.15010  -0.34150   0.72990   1.00000   0.01773
O(2)   0.87640   0.41570   0.77560   1.00000   0.01836
O(3)   0.72740   0.09810   0.56560   1.00000   0.01976
O(4)   0.31320   0.25580   0.90180   1.00000   0.02584
F   0.00000   0.00000   0.28900   1.00000   0.04053
Cl   0.00000   0.00000   0.50000   0.02100   0.03394