Isostructural behaviour in ammonium and potassium salt forms of sulfonated azo dyes.
Kennedy, Alan R.; Kirkhouse, Jennifer B. A.; McCarney, Karen M.; Puissegur, Olivier; Acta crystallographica. Section C, Structural chemistry 80 (2024) 66–79; doi:10.1107/S2053229624001293

data_2312469
_publ_section_title
;
 Isostructural behaviour in ammonium and potassium salt forms of
 sulfonated azo dyes.
;
_journal_coeditor_code           DG3051
_journal_issue                   'Pt 3'
_journal_name_full
'Acta crystallographica. Section C, Structural chemistry'
_journal_page_first              66
_journal_page_last               79
_journal_paper_doi               10.1107/S2053229624001293
_journal_volume                  80
_journal_year                    2024
_chemical_formula_iupac          '[K (C12 H9 N2 O4 S)]'
_chemical_formula_moiety         '[K (C12 H9 N2 O4 S)]'
_chemical_formula_sum            'C12 H9 K N2 O4 S'
_chemical_formula_weight         316.37
_chemical_name_systematic
;
Poly[(3-{2-(4-hydroxyphenyl)diazen-1-yl]benzenesulfonato)potassium]
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           56
_space_group_name_Hall           '-P 2ab 2ac'
_space_group_name_H-M_alt        'P c c n'
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_cell_length_c                   6.99820(10)
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_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.02
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_computing_cell_refinement
;
<i>DENZO</i> and <i>COLLECT</i> (Otwinowski & Minor, 1997)
;
_computing_data_collection
;
<i>DENZO</i> and <i>COLLECT</i> (Otwinowski & Minor, 1997)
;
_computing_data_reduction
;
<i>DENZO</i> and <i>COLLECT</i> (Otwinowski & Minor, 1997)
;
_computing_publication_material
;
SHELXL2018 in WinGX (Farrugia, 2012)
;
_computing_structure_refinement
;
SHELXL2018 (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
SIR92 (Altomare <i>et al.</i>,  1994)
;
_diffrn_ambient_temperature      123(2)
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_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Enraf--Nonius KappaCCD'
_diffrn_measurement_method       'omega and phi scans'
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_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            5174
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.436
_diffrn_reflns_theta_min         1.456
_diffrn_source                   'sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.617
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.710
_exptl_crystal_description       needle
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_exptl_crystal_size_max          0.70
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_refine_diff_density_min         -0.413
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_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0776
_refine_ls_R_factor_gt           0.0421
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0304P)^2^+2.2145P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
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