data_9014095
_publ_section_title
;
 Ueber ein neues Mineral von Langban.
 _cod_database_code 1010488
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              262
_journal_page_last               274
_journal_volume                  60
_journal_year                    1924
_chemical_formula_sum            'Al2 Na Sb'
_space_group_IT_number           194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   5.4
_cell_length_b                   5.4
_cell_length_c                   8.81
_cell_volume                     222.482
_database_code_amcsd             0017404
_exptl_crystal_density_diffrn    2.966
_[local]_cod_chemical_formula_sum_orig 'Na Sb Al2'
_cod_database_code               9014095
_amcsd_formula_title             'Al2 Na O6 Sb'
loop_
_space_group_symop_operation_xyz
x,y,z
-x,-x+y,1/2+z
x,x-y,1/2-z
-x+y,-x,1/2-z
x-y,x,1/2+z
-y,-x,z
y,x,-z
y,-x+y,-z
-y,x-y,z
x-y,-y,1/2+z
-x+y,y,1/2-z
x,y,1/2-z
-x,-y,1/2+z
x,x-y,z
-x,-x+y,-z
x-y,x,-z
-x+y,-x,z
y,x,1/2+z
-y,-x,1/2-z
-y,x-y,1/2-z
y,-x+y,1/2+z
-x+y,y,z
x-y,-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na1 0.00000 0.00000 0.00000
Sb1 0.33333 0.66667 0.75000
Al1 0.33333 0.66667 0.08700
