Co-crystallisation of benzoic acid derivatives with N-containing bases in solution and by mechanical grinding: stoichiometric variants, polymorphism and twinning
Skovsgaard, Signe; Bond, Andrew D.; CrystEngComm 11 (2009) 444–453; doi:10.1039/b810660f

data_7215557
_publ_section_title
;
 Co-crystallisation of benzoic acid derivatives with N-containing bases in
 solution and by mechanical grinding: stoichiometric variants,
 polymorphism and twinning
;
_journal_coden_ASTM              CRECF4
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              444
_journal_page_last               453
_journal_paper_doi               10.1039/b810660f
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         '2(C7 H6 O2), C4 H5 N3'
_chemical_formula_sum            'C18 H17 N3 O4'
_chemical_formula_weight         339.35
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 100.712(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.9348(18)
_cell_length_b                   8.8620(11)
_cell_length_c                   14.1261(17)
_cell_measurement_reflns_used    3413
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      21.30
_cell_measurement_theta_min      2.74
_cell_volume                     1714.0(4)
_computing_cell_refinement       'SAINTPLUS v.7.06a (Bruker, 2003)'
_computing_data_collection       'APEX2 v.1.0-22 (Bruker Nonius, 2004)'
_computing_data_reduction        'SAINTPLUS v.7.06a'
_computing_molecular_graphics    'SHELXTL v.6.10'
_computing_publication_material  'SHELXTL v.6.10'
_computing_structure_refinement  'SHELXTL v.6.10'
_computing_structure_solution    'SHELXTL v.6.10 (Sheldrick, 2000)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker-Nonius X8APEX-II CCD'
_diffrn_measurement_method       'thin-slice \w and \f scans'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1838
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5544
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         3.53
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.766
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
TWINABS v.1.05 (Sheldrick, 2003)
Ratio of minimum to maximum apparent transmission: 0.766880
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.146
_refine_diff_density_min         -0.213
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.682
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         5544
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.682
_refine_ls_R_factor_all          0.1135
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0263P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0612
_refine_ls_wR_factor_ref         0.0674
_reflns_number_gt                2324
_reflns_number_total             5544
_reflns_threshold_expression     I>2\s(I)
_cod_duplicate_entry             7200221
_cod_data_source_file            b810660f.cif
_cod_data_source_block           3a
_cod_depositor_comments
;
 Updated bibliographic information.

 Antanas Vaitkus,
 2019-09-18

 Marked entry as a duplicate of entry 7200221.

 Antanas Vaitkus,
 2019-09-18
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7215557