Structure of potassium amidoselenate K^+^.SeO~3~NH~2~^{-^}
Žák, Z.; R°užička, A.; Acta Crystallographica Section C 48 (1992) 2254–2255; doi:10.1107/S0108270192007844

data_2000404
_publ_section_title
;
 Structure of potassium amidoselenate K^+^.SeO~3~NH~2~^{-^}
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              2254
_journal_page_last               2255
_journal_paper_doi               10.1107/S0108270192007844
_journal_volume                  48
_journal_year                    1992
_chemical_formula_moiety         'K1 Se1 O3 N1 H2'
_chemical_formula_sum            'H2 K N O3 Se'
_chemical_formula_weight         182.1
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_type_scat_source           'XTL (Syntex, 1971)'
_cell_angle_alpha                90.
_cell_angle_beta                 96.65(2)
_cell_angle_gamma                90.
_cell_formula_units_Z            4
_cell_length_a                   8.075(2)
_cell_length_b                   7.3060(10)
_cell_length_c                   7.533(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298
_cell_measurement_theta_max      14.6
_cell_measurement_theta_min      8.25
_cell_volume                     441.43(17)
_diffrn_measurement_device       'KUMA KM-4'
_diffrn_measurement_method       \q-2\q
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.025
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3042
_diffrn_reflns_theta_max         40
_diffrn_standards_decay_%        '5, 3'
_diffrn_standards_interval_count 50
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    9.23
_exptl_absorpt_correction_T_max  0.117
_exptl_absorpt_correction_T_min  0.071
_exptl_absorpt_correction_type   sphere
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    2.740
_exptl_crystal_density_meas      2.706
_exptl_crystal_description       'Regular prisms'
_exptl_crystal_size_rad          0.22
_refine_diff_density_max         2.1
_refine_diff_density_min         -0.8
_refine_ls_goodness_of_fit_obs   1.30
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     55
_refine_ls_number_reflns         1960
_refine_ls_R_factor_all          0.065
_refine_ls_R_factor_obs          0.035
_refine_ls_shift/esd_max         0.02
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = [\s^2^ + (0.04|F~o~|)^2^]^-1^'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.064
_refine_ls_wR_factor_obs         0.059
_reflns_number_observed          1960
_reflns_number_total             2719
_reflns_observed_criterion       |F~o~|>3.92\s(F~o~)
_cod_data_source_file            ka1009.cif
_cod_data_source_block           ka1009_structure_1_of_1

_refine_ls_R_factor_all, _refine_ls_R_factor_obs, _refine_ls_wR_factor_all
and _refine_ls_wR_factor_obs.
;

_cod_original_cell_volume        441.40(10)
_cod_original_formula_sum        'H2 K1 N1 O3 Se1'
_cod_database_code               2000404