<i>catena</i>-Poly[ammonium [aquabis(μ-2,3,5,6-tetraoxo-4-nitropyridin-4-ido)argentate(I)]]
Dinh Do, Nguyen; Kovalchukova, Olga; Stash, Adam; Strashnova, Svetlana; Acta Crystallographica Section E 69 (2013) m477–m478; doi:10.1107/S1600536813020631

data_2238410
_publ_section_title
;
 <i>catena</i>-Poly[ammonium
 [aquabis(\m-2,3,5,6-tetraoxo-4-nitropyridin-4-ido)argentate(I)]]
;
_journal_coeditor_code           PJ2004
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m477
_journal_page_last               m478
_journal_paper_doi               10.1107/S1600536813020631
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          '(N H4) [Ag (C5 H N2 O6)2 (H2 O)]'
_chemical_formula_moiety         'H4 N1 +, C10 H4 Ag N4 O13 -'
_chemical_formula_sum            'C10 H8 Ag N5 O13'
_chemical_formula_weight         514.08
_chemical_name_systematic
;
<i>catena</i>-Poly[ammonium
[aquabis(\m-2,3,5,6-tetraoxo-4-nitropyridin-4-ido)argentate(I)]]
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.70(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.784(2)
_cell_length_b                   18.551(4)
_cell_length_c                   9.195(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      11.8
_cell_measurement_theta_min      9.3
_cell_volume                     1498.2(6)
_computing_cell_refinement       'CAD4/PC (Enraf--Nonius, 1993)'
_computing_data_collection       'CAD4/PC (Enraf--Nonius, 1993)'
_computing_data_reduction        'CAD4/PC (Enraf--Nonius, 1993)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'<i>CIFTAB97</i> and SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Enraf Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  \b-filter
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0143
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            2952
_diffrn_reflns_theta_full        25.47
_diffrn_reflns_theta_max         25.47
_diffrn_reflns_theta_min         2.20
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.442
_exptl_absorpt_correction_T_max  0.798
_exptl_absorpt_correction_T_min  0.406
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
Walker & Stuart (1983)
;
_exptl_crystal_colour            'dark yellow'
_exptl_crystal_density_diffrn    2.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.582
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     283
_refine_ls_number_reflns         2768
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0629
_refine_ls_R_factor_gt           0.0214
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0451P)^2^+0.0506P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0618
_refine_ls_wR_factor_ref         0.0659
_reflns_number_gt                2094
_reflns_number_total             2768
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            pj2004.cif
_cod_data_source_block           I
_cod_original_cell_volume        1498.2(5)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2238410
_cod_database_fobs_code          2238410