data_global
_chemical_name_mineral 'Calcioburbankite'
loop_
_publ_author_name
'Belovitskaya Y V'
'Pekov I V'
'Gobechiya E R'
'Kabalov Y K'
'Subbotin V V'
_journal_name_full 'Crystallography Reports'
_journal_volume 46 
_journal_year 2001
_journal_page_first 927
_journal_page_last 931
_publ_section_title
;
 Crystal structure of calcioburbankite and the characteristic features of the
 burbankite structure type
;
_database_code_amcsd 0012373
_chemical_compound_source 'Vuoriyarvi, North Kareliya'
_chemical_formula_sum 'Na2.667 Ca1.437 Ce.438 La.243 Nd.099 Ba.501 Sr.549 C5 O15'
_cell_length_a 10.4974
_cell_length_b 10.4974
_cell_length_c 6.4309
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 613.714
_exptl_crystal_density_diffrn      3.492
_symmetry_space_group_name_H-M 'P 63 m c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  'x-y,x,1/2+z'
  '-y,-x,z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  '-x,-y,1/2+z'
  'x,x-y,z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  'y,-x+y,1/2+z'
  '-x+y,y,z'
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
NaA   0.52410   0.47590   0.31700   0.74300   0.01773
CaA   0.52410   0.47590   0.31700   0.16300   0.01773
CeA   0.52410   0.47590   0.31700   0.03000   0.01773
CeB   0.84060   0.15940   0.00000   0.11600   0.01279
LaB   0.84060   0.15940   0.00000   0.08100   0.01279
NdB   0.84060   0.15940   0.00000   0.03300   0.01279
BaB   0.84060   0.15940   0.00000   0.16700   0.01279
CaB   0.84060   0.15940   0.00000   0.31600   0.01279
SrB   0.84060   0.15940   0.00000   0.18300   0.01279
NaB   0.84060   0.15940   0.00000   0.14600   0.01279
C1   0.79700   0.20300   0.55000   1.00000   0.06333
C2   0.00000   0.00000   0.88000   1.00000   0.01267
C3   0.33333   0.66667   0.49000   1.00000   0.02533
O1   0.37600   0.08800   0.63300   1.00000   0.01393
O2   0.92600   0.07400   0.34400   1.00000   0.02280
O3   0.40370   0.59630   0.47600   1.00000   0.00633
O4   0.77600   0.22400   0.35900   1.00000   0.02280