Ennea-ammonium dibromide tetra(thiosulfato)argentate
El Bali, Brahim; Sghyar, Mohamed; Lachkar, Mohammed; Rachid, Ouarsal; Aziz Alaoui, Tahiri; Bolte, Michael; Acta Crystallographica Section E 58 (2002) i37–i38; doi:10.1107/S1600536802007614

data_2201015
_publ_section_title
;
 Ennea-ammonium dibromide tetra(thiosulfato)argentate
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_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              i37
_journal_page_last               i38
_journal_paper_doi               10.1107/S1600536802007614
_journal_volume                  58
_journal_year                    2002
_chemical_formula_iupac          '(N H4)9 Br [Ag (S2 O3)4]'
_chemical_formula_structural     '(N H4)9 Br [Ag (S2 O3)4]'
_chemical_formula_sum            'Ag Br2 H36 N9 O12 S8'
_chemical_formula_weight         878.55
_chemical_name_systematic        ?
_space_group_IT_number           122
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.2634(7)
_cell_length_b                   13.2634(7)
_cell_length_c                   16.4524(11)
_cell_measurement_reflns_used    72726
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.7
_cell_measurement_theta_min      2.8
_cell_volume                     2894.3(3)
_computing_cell_refinement       X-AREA
_computing_data_collection       'X-AREA (Stoe & Cie, 2001)'
_computing_data_reduction        X-AREA
_computing_molecular_graphics    'XP in SHELXTL-Plus (Sheldrick, 1991)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997) '
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990) '
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Stoe IPDS-II two-circle'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0494
_diffrn_reflns_av_sigmaI/netI    0.0165
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            23871
_diffrn_reflns_theta_full        29.58
_diffrn_reflns_theta_max         29.58
_diffrn_reflns_theta_min         3.07
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    4.092
_exptl_absorpt_correction_T_max  0.4950
_exptl_absorpt_correction_T_min  0.2656
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(MULABS; Spek, 1990; Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.016
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1760
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.822
_refine_diff_density_min         -2.358
_refine_ls_abs_structure_details 'Flack (1983)'
_refine_ls_abs_structure_Flack   0.11(3)
_refine_ls_extinction_coef       0.0060(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     76
_refine_ls_number_reflns         2019
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0578
_refine_ls_R_factor_gt           0.0577
_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^)+(0.1170P)^2^+25.2061P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1788
_refine_ls_wR_factor_ref         0.1789
_reflns_number_gt                2014
_reflns_number_total             2019
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            br6048.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_database_code               2201015
_cod_database_fobs_code          2201015