data_1010083
_publ_section_title
;
The Crystal Structures of Potassium Chloroplatinate and of Potassium
and Ammonium Chloropalladates
;
_journal_coden_ASTM              JACSAT
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2404
_journal_page_last               2411
_journal_paper_doi               10.1021/ja01432a007
_journal_volume                  44
_journal_year                    1922
_chemical_formula_structural     'K2 PT CL4'
_chemical_formula_sum            'Cl4 K2 Pt'
_chemical_name_systematic        'Potassium tetrachloroplatinate(II)'
_space_group_IT_number           123
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      123
_symmetry_space_group_name_Hall  '-P 4 2'
_symmetry_space_group_name_H-M   'P 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   6.99
_cell_length_b                   6.99
_cell_length_c                   4.13
_cell_volume                     201.8
_exptl_crystal_density_meas      3.3
_cod_database_code               1010083
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z
-x,y,z
x,-y,z
-y,x,z
y,-x,z
y,x,z
-y,-x,z
-x,-y,-z
x,y,-z
x,-y,-z
-x,y,-z
y,-x,-z
-y,x,-z
-y,-x,-z
y,x,-z
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 e 0. 0.5 0.5 1. 0 d
Pt1 Pt2+ 1 a 0. 0. 0. 1. 0 d
Cl1 Cl1- 4 j 0.235 0.235 0. 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
K1+ 1.000
Pt2+ 2.000
Cl1- -1.000
