data_global
_chemical_name_mineral 'Hilairite-(Pb)'
loop_
_publ_author_name
'Zubkova N V'
'Kolitsch U'
'Pekov I V'
'Turchkova A G'
'Vigasina M F'
'Pushcharovsky D Y'
'Tillmanns E'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 21 
_journal_year 2009
_journal_page_first 495
_journal_page_last 506
_publ_section_title
;
 Crystal chemistry of Rb-, Sr-, Ba-, Ca- and Pb-exchanged forms of natural hilairite
 Note: sample was synthesized by cation exchange at 150 C
;
_database_code_amcsd 0007285
_chemical_compound_source 'Kirovskii  mine, Khibiny alkaline complex, Kola Peninsula, Russia'
_chemical_formula_sum 'Pb.821 Na.179 Zr Si3 O11.85 H5.7'
_cell_length_a 10.477
_cell_length_b 10.477
_cell_length_c 7.994
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 759.921
_exptl_crystal_density_diffrn      3.573
_symmetry_space_group_name_H-M 'R 3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+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
Pb1a   0.00000   0.00000   0.64793   0.80100   0.02456
Na1a   0.00000   0.00000   0.64793   0.17900   0.02456
Pb1b   0.00000   0.00000   0.45600   0.02000   0.01600
Zr   0.00000   0.00000   0.06932   1.00000   0.01090
Si   0.40987   0.41728   0.53671   1.00000   0.01320
O1   0.09230   0.17720   0.89230   1.00000   0.01790
O2  -0.09230  -0.19130   0.20010   1.00000   0.01940
O3   0.66070   0.01820   0.02310   1.00000   0.02200
Wat   0.01270   0.24220   0.51700   0.95000   0.04600