data_global
_chemical_name_mineral 'Brizziite'
loop_
_publ_author_name
'Olmi F'
'Sabelli C'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 6 
_journal_year 1994
_journal_page_first 667
_journal_page_last 672
_publ_section_title
;
 Brizzite, NaSbO3, a new mineral from the Cetine mine (Tuscany, Italy):
 description and crystal structure
 Locality: Cetine mine, Tuscany, Italy
;
_chemical_formula_sum 'Na Sb O3'
_cell_length_a 5.301
_cell_length_b 5.301
_cell_length_c 15.932
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 387.719
_exptl_crystal_density_diffrn      4.953
_symmetry_space_group_name_H-M 'R -3'
loop_
_symmetry_equiv_pos_as_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'
  '-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_U_iso_or_equiv
Na   0.00000   0.00000   0.63910   0.01456
Sb   0.00000   0.00000   0.83904   0.00494
O   0.04610   0.32360   0.76380   0.00709
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Na 0.01431 0.01431 0.01543 0.00715 0.00000 0.00000
Sb 0.00363 0.00363 0.00772 0.00182 0.00000 0.00000
O 0.00833 0.00662 0.00514 0.00310 -0.00148 -0.00037