data_global
_chemical_name_mineral 'Delindeite'
loop_
_publ_author_name
'Ferraris G'
'Ivaldi G'
'Pushcharovsky D Y'
'Zubkova N V'
'Pekov I V'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 39 
_journal_year 2001
_journal_page_first 1307
_journal_page_last 1316
_publ_section_title
;
 The crystal structure of delindeite, Ba2{(Na,K,_)3(Ti,Fe)[Ti2(O,OH)4Si4O14](H2O,OH)2},
 a member of the mero-plesiotype bafertisite series
;
_database_code_amcsd 0005741
_chemical_formula_sum 'Ba2 Ti3 Si4 Na1.6 O19.92 H3.84'
_cell_length_a 5.327
_cell_length_b 6.856
_cell_length_c 21.51
_cell_angle_alpha 90
_cell_angle_beta 93.80
_cell_angle_gamma 90
_cell_volume 783.859
_exptl_crystal_density_diffrn      3.771
_symmetry_space_group_name_H-M 'A 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '-x,y,-z'
  '-x,1/2+y,1/2-z'
  'x,-y,z'
  '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
Ba   0.25390   0.00000   0.27141   0.96000   0.01700
Ba*   0.25400   0.00000   0.22100   0.02000   0.01500
Ba*   0.26100   0.00000   0.32000   0.02000   0.01500
Ti(1)   0.00000   0.00000   0.00000   1.00000   0.01500
Ti(2)   0.27310   0.50000   0.34530   1.00000   0.05700
Si   0.78910  -0.22980   0.37880   1.00000   0.02000
Na(1)  -0.05500   0.00000   0.50300   0.24000   0.02900
Na(2)   0.50000  -0.24600   0.50000   0.56000   0.03000
O(1)   0.82700  -0.29900   0.45100   1.00000   0.02900
O(2)   0.09700   0.00000   0.62520   0.54000   0.02200
O(2*)   0.32600   0.00000   0.61600   0.46000   0.03200
O(3)   0.52700  -0.29700   0.34610   1.00000   0.06100
O(4)   0.01200  -0.30200   0.33990   1.00000   0.07200
O(5)  -0.27200   0.00000   0.05960   1.00000   0.02800
O(6)   0.26000   0.05900   0.75770   0.50000   0.02200
Wat(7)   0.28700   0.00000   0.44000   0.58000   0.04800
Wat(7*)   0.25200   0.00000   0.47600   0.38000   0.03200