Solution growth and thermal treatment of crystals lead to two new forms of 2-((2,6-dimethylphenyl)amino)benzoic acid
Hu, Rong; Zhoujin, Yunping; Liu, Meng; Zhang, Mingtao; Parkin, Sean; Zhou, Panpan; Wang, Jianzhi; Yu, Faquan; Long, Sihui; RSC Advances 8 (2018) 15459–; doi:10.1039/C7RA13353G

data_7230556
_publ_section_title
;
 Solution growth and thermal treatment of crystals lead to two new forms
 of 2-((2,6-dimethylphenyl)amino)benzoic acid
;
_journal_issue                   28
_journal_name_full               'RSC Advances'
_journal_page_first              15459
_journal_paper_doi               10.1039/C7RA13353G
_journal_volume                  8
_journal_year                    2018
_chemical_formula_moiety         'C15 H15 N O2'
_chemical_formula_sum            'C15 H15 N O2'
_chemical_formula_weight         241.28
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2017-12-09 deposited with the CCDC.
2018-04-18 downloaded from the CCDC.
;
_cell_angle_alpha                72.582(4)
_cell_angle_beta                 83.740(4)
_cell_angle_gamma                73.854(4)
_cell_formula_units_Z            2
_cell_length_a                   7.524(2)
_cell_length_b                   8.103(2)
_cell_length_c                   11.191(3)
_cell_measurement_reflns_used    2386
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      30.61
_cell_measurement_theta_min      2.73
_cell_volume                     625.1(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART APEX II'
_computing_data_reduction        'Bruker SMART'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Bruker APEX II area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0193
_diffrn_reflns_av_unetI/netI     0.0322
_diffrn_reflns_Laue_measured_fraction_full 0.984
_diffrn_reflns_Laue_measured_fraction_max 0.961
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3780
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.961
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.498
_diffrn_reflns_theta_min         1.908
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9832
_exptl_absorpt_correction_T_min  0.9749
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             256
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.058
_refine_ls_extinction_coef       0.52(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     171
_refine_ls_number_reflns         2769
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0545
_refine_ls_R_factor_gt           0.0474
_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^)+(0.0682P)^2^+0.1340P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1307
_refine_ls_wR_factor_ref         0.1385
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2321
_reflns_number_total             2769
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ra13353g1.cif
_cod_data_source_block           yf_170724
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               7230556
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.975
_shelx_estimated_absorpt_t_max   0.983
_shelx_res_checksum              33143