data_1004042
_chemical_name_systematic          'Dipotassium imidobis(sulfonate)'
_chemical_formula_structural       'K2 N H (S O3)2'
_chemical_formula_sum              'H K2 N O6 S2'
_publ_section_title
;
Crystal structure of K~3~ N (S O~3~)~2~ H~2~ O (I) and fefinement of
the crystal structure of K~2~ N H (S O~3~)~2~ (II)
;
loop_
_publ_author_name
  'Barbier, P'
  'Parent, Y'
  'Mairesse, G'
_journal_name_full                 'Acta Crystallographica B (24,1968-38,1982)'
_journal_coden_ASTM                ACBCAR
_journal_volume                    35
_journal_year                      1979
_journal_page_first                1308
_journal_page_last                 1312
_cell_length_a                     12.456(5)
_cell_length_b                     7.483(4)
_cell_length_c                     7.185(4)
_cell_angle_alpha                  90
_cell_angle_beta                   91.24(2)
_cell_angle_gamma                  90
_cell_volume                       669.5
_cell_formula_units_Z              2
_symmetry_space_group_name_H-M     'P 1 2/c 1'
_symmetry_Int_Tables_number        13
_symmetry_cell_setting             monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,y,1/2-z'
  '-x,-y,-z'
  'x,-y,1/2+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  K1+    1.000
  S4+    4.000
  N3+    3.000
  O2-   -2.000
  H1-   -1.000
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+    4 g 0.34740(5) 0.64093(9) 0.64259(9) 1.  0 d
  S1    S4+    4 g 0.39915(5) 0.17775(8) 0.63899(9) 1.  0 d
  N1    N3+    2 f 0.5 0.0735(4) 0.75 1.  0 d
  O1    O2-    4 g 0.4437(2) 0.2718(4) 0.4819(3) 1.  0 d
  O2    O2-    4 g 0.3287(2) 0.0316(3) 0.5864(3) 1.  0 d
  O3    O2-    4 g 0.3524(2) 0.2996(3) 0.7711(3) 1.  0 d
  H1    H1-    4 g 0.477(8) -0.033(11) 0.826(10) 0.5  0 d
_refine_ls_R_factor_all            0.043