The interplay between hydrogen and halogen bonding: substituent effects and their role in the hydrogen bond enhanced halogen bond.
Sun, Jiyu; Decato, Daniel A.; Bryantsev, Vyacheslav S.; John, Eric A.; Berryman, Orion B.; Chemical science 14 (2023) 8924–8935; doi:10.1039/d3sc02348f

data_1569567
_publ_section_title
;
 The interplay between hydrogen and halogen bonding: substituent effects
 and their role in the hydrogen bond enhanced halogen bond.
;
_journal_issue                   33
_journal_name_full               'Chemical science'
_journal_page_first              8924
_journal_page_last               8935
_journal_paper_doi               10.1039/d3sc02348f
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'C25 H9 F9 I2'
_chemical_formula_sum            'C25 H9 F9 I2'
_chemical_formula_weight         734.12
_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   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-11-30
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2023-01-30 deposited with the CCDC.	2023-07-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.215(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.7496(16)
_cell_length_b                   4.7821(4)
_cell_length_c                   25.949(2)
_cell_measurement_reflns_used    4113
_cell_measurement_temperature    100
_cell_measurement_theta_max      24.933
_cell_measurement_theta_min      2.780
_cell_volume                     2320.4(3)
_computing_cell_refinement       'SAINT V8.38A (BRUKER-AXS, 2016)'
_computing_data_collection       'APEX3 (Bruker-AXS, 2016)'
_computing_data_reduction        'SAINT V8.38A (BRUKER-AXS, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker Photon-100 area detector'
_diffrn_detector_area_resol_mean 10.5
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'Fixed Chi Three-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE Duo'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'TRIUMPH graphite'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0771
_diffrn_reflns_av_unetI/netI     0.0770
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            15943
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.059
_diffrn_reflns_theta_max         25.059
_diffrn_reflns_theta_min         2.592
_diffrn_source                   'sealed tube'
_diffrn_source_type              fine-focus
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.796
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.5805
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0690 before and 0.0558 after correction. The Ratio of minimum to maximum transmission is 0.7790. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.101
_exptl_crystal_description       needle
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.663
_refine_diff_density_min         -0.629
_refine_diff_density_rms         0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         4089
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0806
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0270P)^2^+2.2215P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0690
_refine_ls_wR_factor_ref         0.0776
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2932
_reflns_number_total             4089
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc02348f2.cif
_cod_data_source_block           umt_ob218
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 1569562--1569572.cif.
;
_cod_database_code               1569567
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.973
_shelx_estimated_absorpt_t_min   0.360
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Restrained distances
 F4-C24 \\sim F4B-C24
 with sigma of 0.02
 F6-C24 \\sim F6B-C24
 with sigma of 0.02
 F5-C24 \\sim F5B-C24
 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
F4 \\sim F4B: within 2A with sigma of 0.04 and sigma for terminal atoms of 0.08
F5 \\sim F5B: within 2A with sigma of 0.04 and sigma for terminal atoms of 0.08
F6 \\sim F6B: within 2A with sigma of 0.04 and sigma for terminal atoms of 0.08
4. Others
 Sof(F4B)=Sof(F5B)=Sof(F6B)=1-FVAR(1)
 Sof(F4)=Sof(F5)=Sof(F6)=FVAR(1)
5.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C10(H10), C11(H11), C13(H13), C19(H19), C20(H20),
 C22(H22)
;
_shelx_res_checksum              2495
_olex2_submission_special_instructions 'No special instructions were received'