data_global
_chemical_name_mineral 'Byelorussite-(Ce)'
loop_
_publ_author_name
'Zubkova N V'
'Pushcharovsky D Y'
'Giester G'
'Tillmanns E'
'Pekov I V'
'Krotova O D'
_journal_name_full 'Crystallography Reports'
_journal_volume 49 
_journal_year 2004
_journal_page_first 964
_journal_page_last 968
_publ_section_title
;
 Crystal structure of byelorussite-(Ce) NaMnBa2Ce2(TiO)2[Si4O12]2(F,OH)*H2O
;
_database_code_amcsd 0012389
_chemical_compound_source 'Diabazavoe occurence, Zhitkovichi District, Belarus'
_chemical_formula_sum '(Na.95 K.05) (Mn.52 Zn.27 Fe.16 Mg.05) (Ba1.9 Sr.1) Ce2 Ti2 Si8 O27.3 F.7 H2.3'
_cell_length_a 22.301
_cell_length_b 10.514
_cell_length_c 9.669
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 2267.117
_exptl_crystal_density_diffrn      4.110
_symmetry_space_group_name_H-M 'A m a 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,-y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  '-x,-y,z'
  '-x,1/2-y,1/2+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
Na   0.50000   0.50000   0.32030   0.95000   0.02830
K   0.50000   0.50000   0.32030   0.05000   0.02830
Mn   0.50000   0.50000   0.00000   0.52000   0.01650
Zn   0.50000   0.50000   0.00000   0.27000   0.01650
Fe   0.50000   0.50000   0.00000   0.16000   0.01650
Mg   0.50000   0.50000   0.00000   0.05000   0.01650
Ba1   0.75000  -0.07387   0.36150   0.95000   0.02020
Sr1   0.75000  -0.07387   0.36150   0.05000   0.02020
Ba2   0.75000  -0.04209  -0.12670   0.95000   0.01870
Sr2   0.75000  -0.04209  -0.12670   0.05000   0.01870
Ce   0.52267   0.18439   0.12690   1.00000   0.01638
Ti   0.68617   0.19084   0.13360   1.00000   0.01250
Si1   0.62861   0.47430   0.13450   1.00000   0.01280
Si2   0.60320   0.20190  -0.16890   1.00000   0.01350
Si3   0.61373   0.17710   0.43390   1.00000   0.01290
Si4   0.62760   0.40570  -0.39660   1.00000   0.01390
O1   0.68240   0.00550   0.11500   1.00000   0.01680
O2   0.75000  -0.29970   0.50280   1.00000   0.01470
O3   0.43740   0.04150   0.06300   1.00000   0.02080
O4   0.75000   0.17920   0.26400   1.00000   0.01360
O5   0.56170   0.41760   0.12650   1.00000   0.02060
O6   0.63570   0.57580   0.26380   1.00000   0.01910
O7   0.61520   0.17330   0.26670   1.00000   0.01570
O8   0.62320   0.20810  -0.00920   1.00000   0.01780
O9   0.68220   0.37430   0.15790   1.00000   0.01650
O10   0.65190   0.30320  -0.51380   1.00000   0.01750
O11   0.64970   0.05070   0.49300   1.00000   0.01800
O12   0.63020   0.32730  -0.24940   1.00000   0.02240
O13   0.54930   0.17520   0.50650   1.00000   0.01840
O14   0.53170   0.19850  -0.17810   1.00000   0.02440
F   0.50000   0.50000  -0.20310   0.70000   0.02800
O-H   0.50000   0.50000  -0.20310   0.30000   0.02800
Wat   0.75000   0.69680   0.17610   1.00000   0.04000