data_1010268
_chemical_name_systematic          'Potassium nitrate(III)'
_chemical_formula_structural       'K N O2'
_chemical_formula_sum              'K N O2'
_publ_section_title
;
The Crystal Structure of Potassium Nitrite, K N O~2~
;
_publ_author_name                  'Ziegler, G E'
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,
Kristallchemie (-144,1977)
;
_journal_coden_ASTM                ZEKGAX
_journal_volume                    94
_journal_year                      1936
_journal_page_first                491
_journal_page_last                 499
_cell_length_a                     4.45
_cell_length_b                     4.99
_cell_length_c                     7.31
_cell_angle_alpha                  90
_cell_angle_beta                   114.83
_cell_angle_gamma                  90
_cell_volume                       147.3
_cell_formula_units_Z              2
_symmetry_space_group_name_H-M     'C 1 m 1'
_symmetry_Int_Tables_number        8
_symmetry_cell_setting             monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,-y,z'
  '1/2+x,1/2+y,z'
  '1/2+x,1/2-y,z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  K1+    1.000
  N3+    3.000
  O2-   -2.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  K1    K1+    2 a 0. 0. 0. 1.  0 d
  N1    N3+    2 a 0.5 0. 0.486 1.  0 d
  O1    O2-    4 b 0.444 0.194 0.417 1.  0 d