Comparison of isomericmeta- andpara-diiodotetrafluorobenzene as halogen bond donors in crystal engineering
Bedeković, Nikola; Stilinović, Vladimir; Friščić, Tomislav; Cinčić, Dominik; New Journal of Chemistry 42 (2018) 10584–; doi:10.1039/C8NJ01368C

data_7057359
_publ_section_title
;
 Comparison of isomericmeta- andpara-diiodotetrafluorobenzene as halogen
 bond donors in crystal engineering
;
_journal_issue                   13
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              10584
_journal_paper_doi               10.1039/C8NJ01368C
_journal_volume                  42
_journal_year                    2018
_chemical_formula_moiety         'C6 F4 I2, C4 H10 N2'
_chemical_formula_sum            'C10 H10 F4 I2 N2'
_chemical_formula_weight         488.00
_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
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-04-25 deposited with the CCDC.
2018-04-27 downloaded from the CCDC.
;
_cell_angle_alpha                103.403(5)
_cell_angle_beta                 96.182(4)
_cell_angle_gamma                95.921(5)
_cell_formula_units_Z            2
_cell_length_a                   6.1088(3)
_cell_length_b                   9.4013(6)
_cell_length_c                   12.4113(7)
_cell_measurement_reflns_used    1718
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      38.4603
_cell_measurement_theta_min      4.9337
_cell_volume                     683.27(7)
_computing_cell_refinement
;
        CrysAlis RED, Oxford Diffraction Ltd.,
        Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
        (compiled Jun 10 2008,16:49:55)
;
_computing_data_collection
;
        CrysAlis CCD, Oxford Diffraction Ltd.,
        Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
        (compiled Jun 10 2008,16:49:55)
;
_computing_data_reduction
;
        CrysAlis RED, Oxford Diffraction Ltd.,
        Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
        (compiled Jun 10 2008,16:49:55)
;
_computing_molecular_graphics    'MERCURY (C.F. Macrae et al , 2008)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type
;
Oxford Diffraction Xcalibur CCD
diffractometer
;
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0356
_diffrn_reflns_av_unetI/netI     0.0469
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4637
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         3.991
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    4.633
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.29658
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.372
_exptl_crystal_description       block
_exptl_crystal_F_000             452
_exptl_crystal_size_max          0.57
_exptl_crystal_size_mid          0.48
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.712
_refine_diff_density_min         -1.177
_refine_diff_density_rms         0.206
_refine_ls_extinction_coef       0.0400(17)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     170
_refine_ls_number_reflns         2386
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0361
_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^)+(0.0517P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0866
_refine_ls_wR_factor_ref         0.0890
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1855
_reflns_number_total             2386
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nj01368c2.cif
_cod_data_source_block           X13
_cod_depositor_comments
'Adding full bibliography for 7057346--7057365.cif.'
_cod_database_code               7057359
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              1725