Design of 4-aminobenzoic acid two-component molecular crystals: prediction and experiments
Manin, Alex N.; Drozd, Ksenia V.; Churakov, Andrei V.; Perlovich, German L.; CrystEngComm 21 (2019) 2119–; doi:10.1039/C8CE01857J

data_7231891
_publ_section_title
;
 Design of 4-aminobenzoic acid two-component molecular crystals:
 prediction and experiments
;
_journal_issue                   13
_journal_name_full               CrystEngComm
_journal_page_first              2119
_journal_paper_doi               10.1039/C8CE01857J
_journal_volume                  21
_journal_year                    2019
_chemical_formula_moiety         'C7 H7 N O2, C7 H7 N O2'
_chemical_formula_sum            'C14 H14 N2 O4'
_chemical_formula_weight         274.27
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-10-29 deposited with the CCDC.
2018-11-27 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.305(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   3.9358(5)
_cell_length_b                   15.944(2)
_cell_length_c                   20.680(3)
_cell_measurement_reflns_used    4210
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.526
_cell_measurement_theta_min      2.555
_cell_volume                     1297.7(3)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX II'
_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  0.0274
_diffrn_reflns_av_sigmaI/netI    0.0236
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            11187
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         0.98
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9948
_exptl_absorpt_correction_T_min  0.9574
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.294
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         2812
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0432
_refine_ls_R_factor_gt           0.0342
_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^)+(0.0430P)^2^+0.3636P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0843
_refine_ls_wR_factor_ref         0.0894
_reflns_number_gt                2395
_reflns_number_total             2812
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c8ce01857j2.cif
_cod_data_source_block           z_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7231888--7231892.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7231891