Conformational Flexibility and Substitution Pattern Lead to Polymorphism of 3-Methyl-2-(phenylamino)benzoic acid
Tao, Yang; Liu, Xiaoting; Zhoujin, Yunping; Zhou, Panpan; Parkin, Sean R.; Li, Tonglei; Guo, Ju; Yu, Faquan; Long, Sihui; CrystEngComm  (2022) –; doi:10.1039/D2CE00126H

data_7244639
_publ_section_title
;
 Conformational Flexibility and Substitution Pattern Lead to Polymorphism
 of 3-Methyl-2-(phenylamino)benzoic acid
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D2CE00126H
_journal_year                    2022
_chemical_formula_moiety         'C15 H15 N O2'
_chemical_formula_sum            'C15 H15 N O2'
_chemical_formula_weight         241.28
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2019-10-24
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-10-28 deposited with the CCDC.	2022-03-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.810(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.128(3)
_cell_length_b                   5.9193(19)
_cell_length_c                   23.562(8)
_cell_measurement_reflns_used    2852
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      29.56
_cell_measurement_theta_min      2.76
_cell_volume                     1271.6(7)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_unetI/netI     0.0374
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            8524
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.495
_diffrn_reflns_theta_min         1.731
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.5985
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2008/1 (Bruker,2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_description       block
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.172
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     169
_refine_ls_number_reflns         2339
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0685
_refine_ls_R_factor_gt           0.0498
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0793P)^2^+0.4595P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1371
_refine_ls_wR_factor_ref         0.1565
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1795
_reflns_number_total             2339
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ce00126h2.cif
_cod_data_source_block           2
_cod_original_cell_volume        1271.5(7)
_cod_database_code               7244639
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.983
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H,H) groups
2. Restrained distances
 N1-H1
 0.86 with sigma of 0.02
3.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C11(H11), C12(H12), C13(H13), C14(H14)
3.b Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C15(H15A,H15B,H15C)
3.c Idealised tetrahedral OH refined as rotating group:
 O2(H2)
;
_shelx_res_checksum              38528
_shelx_hkl_checksum              80721
_olex2_submission_special_instructions 'No special instructions were received'