One-dimensional hydrogen-bonded structures in the 1:1 proton-transfer compounds of 4,5-dichlorophthalic acid with 8-hydroxyquinoline, 8-aminoquinoline and quinoline-2-carboxylic acid (quinaldic acid)
Smith, Graham; Wermuth, Urs D.; White, Jonathan M.; Acta Crystallographica Section C 64 (2008) o180–o183; doi:10.1107/S0108270108004034

data_2016485
_publ_section_title
;
 One-dimensional hydrogen-bonded structures in the 1:1 proton-transfer
 compounds of 4,5-dichlorophthalic acid with 8-hydroxyquinoline,
 8-aminoquinoline and quinoline-2-carboxylic acid (quinaldic acid)
;
_journal_coeditor_code           GD3186
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o180
_journal_page_last               o183
_journal_paper_doi               10.1107/S0108270108004034
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C9 H9 N2 + , C8 H3 Cl2 O4 -'
_chemical_formula_moiety         'C9 H9 N2 + , C8 H3 Cl2 O4 -'
_chemical_formula_sum            'C17 H12 Cl2 N2 O4'
_chemical_formula_weight         379.19
_chemical_melting_point          471
_chemical_name_common
'8-aminoquinolinium hydrogen 4,5-dichlorophthalate'
_chemical_name_systematic
;
8-aminoquinolinium 2-carboxy-4,5-dichlorobenzoate
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'SHELXL97 (Sheldrick, 2008)'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2003(6)
_cell_length_b                   7.3039(6)
_cell_length_c                   29.438(3)
_cell_measurement_reflns_used    5985
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      27.54
_cell_measurement_theta_min      2.77
_cell_volume                     1548.2(2)
_computing_cell_refinement       'SMART (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0221
_diffrn_reflns_av_sigmaI/netI    0.0262
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            9645
_diffrn_reflns_theta_full        27.57
_diffrn_reflns_theta_max         27.57
_diffrn_reflns_theta_min         1.38
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    0.447
_exptl_absorpt_correction_T_max  0.956
_exptl_absorpt_correction_T_min  0.842
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            'pale brown'
_exptl_crystal_density_diffrn    1.627
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'cut plate'
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.218
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     242
_refine_ls_number_reflns         3529
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0301
_refine_ls_R_factor_gt           0.0290
_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^)+(0.0415P)^2^+0.3288P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0726
_refine_ls_wR_factor_ref         0.0732
_reflns_number_gt                3425
_reflns_number_total             3529
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gd3186.cif
_cod_data_source_block           II
_cod_database_code               2016485