data_9007842
_chemical_name 'K3Na(CrO4)2'
loop_
_publ_author_name
'Madariaga G'
'Breczewski T'
_journal_name_full "Acta Crystallographica, Section C"
_journal_volume 46
_journal_year 1990
_journal_page_first 2019
_journal_page_last 2021
_publ_section_title
;
 Structure and phase transition of K3Na(CrO4)2
;
_chemical_formula_sum 'O8 Cr2 K3 Na'
_cell_length_a 5.8580
_cell_length_b 5.8580
_cell_length_c 7.523
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 223.574
_symmetry_space_group_name_H-M 'P -3 m 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-y,-x,z'
  'y,-x+y,-z'
  '-x,-x+y,-z'
  '-x+y,-x,z'
  '-x+y,y,z'
  '-x,-y,-z'
  'y,x,-z'
  '-y,x-y,z'
  'x,x-y,z'
  'x-y,x,-z'
  'x-y,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_Uiso_or_equiv
O2  -0.81880   0.81880   0.30250   0.02880
O1   0.33333   0.66667   0.01140   0.03850
Cr   0.33333   0.66667   0.22657   0.00825
K1   0.33333   0.66667   0.66767   0.01571
Na   0.00000   0.00000   0.50000   0.01170
K2   0.00000   0.00000   0.00000   0.03250