Polyhalogenated aminobenzonitriles vs. their co-crystals with 18-crown-6: amino group position as a tool to control crystal packing and solid-state fluorescence
Vaganova, Tamara A.; Benassi, Enrico; Gatilov, Yurij V.; Chuikov, Igor P.; Pishchur, Denis P.; Malykhin, Evgenij V.; CrystEngComm 24 (2022) 987–1001; doi:10.1039/D1CE01469B

data_7244178
_publ_section_title
;
 Polyhalogenated aminobenzonitriles vs. their co-crystals with 18-crown-6:
 amino group position as a tool to control crystal packing and solid-state
 fluorescence
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              987
_journal_page_last               1001
_journal_paper_doi               10.1039/D1CE01469B
_journal_volume                  24
_journal_year                    2022
_chemical_formula_moiety         'C7 H3 F3 N2'
_chemical_formula_sum            'C7 H3 F3 N2'
_chemical_formula_weight         172.11
_chemical_melting_point          367
_chemical_name_systematic        4-amino-2,3,6-trifluorobenzonitrile
_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
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-10-27 deposited with the CCDC.	2021-12-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.846(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5702(5)
_cell_length_b                   5.8303(3)
_cell_length_c                   15.8912(11)
_cell_measurement_reflns_used    3475
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.18
_cell_measurement_theta_min      2.58
_cell_volume                     696.38(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0270
_diffrn_reflns_av_unetI/netI     0.0211
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7627
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.497
_diffrn_reflns_theta_min         2.582
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.159
_exptl_absorpt_correction_T_max  0.9562
_exptl_absorpt_correction_T_min  0.8518
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.642
_exptl_crystal_description       plate
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.610
_exptl_crystal_size_mid          0.280
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.196
_refine_diff_density_min         -0.147
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     117
_refine_ls_number_reflns         1587
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0709
_refine_ls_R_factor_gt           0.0455
_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^)+(0.0536P)^2^+0.4947P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1199
_refine_ls_wR_factor_ref         0.1410
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1084
_reflns_number_total             1587
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce01469b2.cif
_cod_data_source_block           B-M98
_cod_depositor_comments
'Adding full bibliography for 7244175--7244182.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7244178
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.909
_shelx_estimated_absorpt_t_max   0.987
_shelx_res_checksum              72992
_shelx_hkl_checksum              7753