data_global
_chemical_name_mineral 'Korobitsynite'
loop_
_publ_author_name
'Rastsvetaeva R K'
'Chukanov N V'
'Pekov I V'
_journal_name_full 'Doklady Akademii Nauk SSSR'
_journal_volume 357 
_journal_year 1997
_journal_page_first 364
_journal_page_last 367
_publ_section_title
;
 Crystal structure of a new mineral - titanium analog
 of orthorhombic nenadkevichite
;
_database_code_amcsd 0012492
_chemical_formula_sum 'Na1.09 (Ti.7 Nb.3) Si2 O8.85 H4'
_cell_length_a 7.350
_cell_length_b 14.153
_cell_length_c 7.124
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 741.071
_exptl_crystal_density_diffrn      2.584
_symmetry_space_group_name_H-M 'P b a m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  'x,y,-z'
  '-x,-y,z'
  '-x,-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
Na1   0.26360   0.25130   0.00000   0.51000   0.03673
Na2   0.19790   0.02440   0.50000   0.50000   0.04559
Na3   0.19200   0.00500   0.50000   0.08000   0.10005
TiM   0.28560   0.25900   0.50000   0.70000   0.01950
NbM   0.28560   0.25900   0.50000   0.30000   0.01950
Si   0.01030   0.38970   0.22520   1.00000   0.01836
O1   0.01210   0.38160   0.00000   1.00000   0.03546
O2   0.00000   0.50000   0.28380   1.00000   0.04686
O3   0.19500   0.34540   0.30490   1.00000   0.03293
O4   0.33230   0.16250   0.30400   1.00000   0.03166
O5   0.01600   0.19910   0.50000   1.00000   0.02280
Ow6   0.01600   0.16160   0.00000   0.93000   0.09499
Ow7   0.00000   0.00000   0.27300   0.92000   0.10005
H1   0.08000   0.00000   0.15000   1.00000   0.03800
H2   0.03200   0.14800   0.08700   1.00000   0.03800