One dimensional halogen bond design: Br⋯N versus I⋯N with fluoroarenes
Peloquin, Andrew J.; McMillen, Colin D.; Pennington, William T.; CrystEngComm 23 (2021) 6098–6106; doi:10.1039/D1CE00864A

data_7243320
_publ_section_title
;
 One dimensional halogen bond design: Br&#x22EF;N versus I&#x22EF;N with
 fluoroarenes
;
_journal_issue                   35
_journal_name_full               CrystEngComm
_journal_page_first              6098
_journal_page_last               6106
_journal_paper_doi               10.1039/D1CE00864A
_journal_volume                  23
_journal_year                    2021
_chemical_formula_moiety         '2(Br2 C12 F8), C12 H10 N2'
_chemical_formula_sum            'C36 H10 Br4 F16 N2'
_chemical_formula_weight         1094.082
_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_Int_Tables_number      2
_audit_creation_date             2021-05-25
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2021-06-27 deposited with the CCDC.	2021-08-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.035(2)
_cell_angle_beta                 90.010(2)
_cell_angle_gamma                107.163(2)
_cell_formula_units_Z            2
_cell_length_a                   7.4148(5)
_cell_length_b                   11.4097(7)
_cell_length_c                   21.1980(12)
_cell_measurement_reflns_used    17328
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.44
_cell_measurement_theta_min      2.68
_cell_volume                     1713.50(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.9952
_diffrn_measured_fraction_theta_max 0.9921
_diffrn_measurement_device_type  'D8 Venture definition'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0357
_diffrn_reflns_av_unetI/netI     0.0367
_diffrn_reflns_Laue_measured_fraction_full 0.9952
_diffrn_reflns_Laue_measured_fraction_max 0.9921
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            21406
_diffrn_reflns_point_group_measured_fraction_full 0.9952
_diffrn_reflns_point_group_measured_fraction_max 0.9921
_diffrn_reflns_theta_full        25.2417
_diffrn_reflns_theta_max         26.44
_diffrn_reflns_theta_min         2.68
_diffrn_source                   'Incoatec I\mS'
_exptl_absorpt_coefficient_mu    4.818
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5536
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1160 before and 0.0460 after correction.
The Ratio of minimum to maximum transmission is 0.7427.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    2.121
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1047.179
_exptl_crystal_size_max          0.231
_exptl_crystal_size_mid          0.135
_exptl_crystal_size_min          0.087
_exptl_transmission_factor_max   'not measured'
_exptl_transmission_factor_min   'not measured'
_refine_diff_density_max         0.5197
_refine_diff_density_min         -0.4362
_refine_diff_density_rms         0.1075
_refine_ls_d_res_high            0.7982
_refine_ls_d_res_low             7.6020
_refine_ls_goodness_of_fit_ref   1.0571
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    20
_refine_ls_number_parameters     523
_refine_ls_number_reflns         7010
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.0571
_refine_ls_R_factor_all          0.0319
_refine_ls_R_factor_gt           0.0243
_refine_ls_shift/su_max          0.0005
_refine_ls_shift/su_mean         0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0197P)^2^+0.5950P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0529
_refine_ls_wR_factor_ref         0.0565
_reflns_Friedel_coverage         0.0
_reflns_limit_h_max              9
_reflns_limit_h_min              -9
_reflns_limit_k_max              14
_reflns_limit_k_min              -14
_reflns_limit_l_max              26
_reflns_limit_l_min              0
_reflns_number_gt                6032
_reflns_number_total             7010
_reflns_threshold_expression     I>=2u(I)
_cod_data_source_file            d1ce00864a2.cif
_cod_data_source_block           2Br2F8bph_dpe
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7243307--7243335.cif.
;
_cod_database_code               7243320
_olex2_refinement_description
;
1.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C5(H5), C6(H6), C7(H7), C9(H9), C10(H10), C11(H11),
 C12(H12)
;
_olex2_submission_special_instructions 'No special instructions were received'