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_7057356
_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         '2(C3 F2 I), C4 H9 N O'
_chemical_formula_sum            'C10 H9 F4 I2 N O'
_chemical_formula_weight         488.98
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                90
_cell_angle_beta                 96.422(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.3023(7)
_cell_length_b                   7.2775(5)
_cell_length_c                   20.5704(18)
_cell_measurement_reflns_used    1140
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      27.7870
_cell_measurement_theta_min      4.6200
_cell_volume                     1383.83(19)
_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
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        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
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        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 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.1111
_diffrn_reflns_av_unetI/netI     0.1231
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            5680
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        24.997
_diffrn_reflns_theta_max         24.997
_diffrn_reflns_theta_min         4.203
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    4.578
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.26784
_exptl_absorpt_correction_type   multi-scan
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;
        CrysAlisPro, Agilent Technologies,
        Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
        (compiled Aug 13 2014,18:06:01)
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.347
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.835
_refine_diff_density_min         -0.926
_refine_diff_density_rms         0.189
_refine_ls_extinction_coef       0.0024(6)
_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   0.777
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         2614
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.776
_refine_ls_R_factor_all          0.0902
_refine_ls_R_factor_gt           0.0498
_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^)+(0.0912P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1122
_refine_ls_wR_factor_ref         0.1501
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1665
_reflns_number_total             2614
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nj01368c2.cif
_cod_data_source_block           IX13
_cod_depositor_comments
'Adding full bibliography for 7057346--7057365.cif.'
_cod_database_code               7057356
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              95231