Hydrogen bonding in the bromide salts of 4-aminobenzoic acid and 4-aminoacetophenone
Cinčić, Dominik; Kaitner, Branko; Acta Crystallographica Section C 64 (2008) o226–o229; doi:10.1107/S0108270108006471

data_2016546
_publ_section_title
;
 Hydrogen bonding in the bromide salts of 4-aminobenzoic acid and
 4-aminoacetophenone
;
_journal_coeditor_code           GD3202
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o226
_journal_page_last               o229
_journal_paper_doi               10.1107/S0108270108006471
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C7 H8 N O2 + , Br -'
_chemical_formula_moiety         'C7 H8 N O2 + , Br -'
_chemical_formula_sum            'C7 H8 Br N O2'
_chemical_formula_weight         218.05
_chemical_name_systematic
;
4-carboxyanilinium bromide
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.660(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.8209(9)
_cell_length_b                   8.5101(11)
_cell_length_c                   16.648(3)
_cell_measurement_reflns_used    4235
_cell_measurement_temperature    295
_cell_measurement_theta_max      35
_cell_measurement_theta_min      4
_cell_volume                     819.1(2)
_computing_cell_refinement       'CrysAlis RED (Oxford Diffraction, 2003)'
_computing_data_collection       'CrysAlis CCD (Oxford Diffraction, 2003)'
_computing_data_reduction        'CrysAlis RED (Oxford Diffraction, 2003)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
;
WinGX (Farrugia, 1999), PARST97 (Nardelli, 1995), Mercury
(Version 1.4; Macrae <i>et al.</i>,  2006) and POV-RAY (Persistence of
Vision Team, 2004)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur CCD'
_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  0.0233
_diffrn_reflns_av_sigmaI/netI    0.0189
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7029
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         4.06
_exptl_absorpt_coefficient_mu    4.966
_exptl_absorpt_correction_T_max  0.61894
_exptl_absorpt_correction_T_min  0.29406
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   '(Alcock, 1970)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.768
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.613
_refine_diff_density_min         -0.597
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.163
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     113
_refine_ls_number_reflns         1787
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.163
_refine_ls_R_factor_all          0.0351
_refine_ls_R_factor_gt           0.0302
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0516P)^2^+0.4207P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0887
_refine_ls_wR_factor_ref         0.0928
_reflns_number_gt                1573
_reflns_number_total             1787
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gd3202.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2016546