Face-to-face stacking of quinoid rings of alkali salts of bromanilic acid
Molčanov, Krešimir; Kojić-Prodić, Biserka; Acta Crystallographica Section B 68 (2012) 57–65; doi:10.1107/S0108768111051159

data_2105056
_publ_section_title
;
 Face-to-face stacking of quinoid rings of alkali salts of bromanilic acid
;
_journal_coeditor_code           GP5046
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              57
_journal_page_last               65
_journal_paper_doi               10.1107/S0108768111051159
_journal_volume                  68
_journal_year                    2012
_chemical_formula_moiety         'C6 H5 Br2 O6 Rb, H2 O'
_chemical_formula_sum            'C6 H7 Br2 O7 Rb'
_chemical_formula_weight         436.39
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.63510(10)
_cell_length_b                   18.63510(10)
_cell_length_c                   6.5280(10)
_cell_measurement_reflns_used    12733
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      75.9549
_cell_measurement_theta_min      2.3695
_cell_volume                     2267.0(3)
_computing_cell_refinement
;
        CrysAlis RED, Oxford Diffraction Ltd.,
        Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
        (compiled Jun 10 2008,16:49:55)
;
_computing_data_collection
;
        CrysAlis CCD, Oxford Diffraction Ltd.,
        Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
        (compiled Jun 10 2008,16:49:55)
;
_computing_data_reduction
;
        CrysAlis RED, Oxford Diffraction Ltd.,
        Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
        (compiled Jun 10 2008,16:49:55)
;
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.4323
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Oxford Xcalibur Nova'
_diffrn_measurement_method
;
CCD detector, \w scans
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54179
_diffrn_reflns_av_R_equivalents  0.0258
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            20373
_diffrn_reflns_theta_full        76.05
_diffrn_reflns_theta_max         76.05
_diffrn_reflns_theta_min         3.35
_exptl_absorpt_coefficient_mu    14.495
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.48804
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    2.557
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2100
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.995
_refine_diff_density_min         -0.947
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.205
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     167
_refine_ls_number_reflns         2330
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.397
_refine_ls_R_factor_gt           0.0436
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0741P)^2^+3.9255P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1363
_reflns_number_gt                2232
_reflns_number_total             2330
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            gp5046.cif
_cod_data_source_block           RbHBAx3H2O
_cod_original_cell_volume        2266.96(2)
_cod_original_sg_symbol_H-M      'P 42/n'
_cod_database_code               2105056
_cod_database_fobs_code          2105056