1,3,5-Tri(iodoethynyl)-2,4,6-trifluorobenzene: halogen-bonded frameworks and NMR spectroscopic analysis
Szell, Patrick M. J.; Gabidullin, Bulat; Bryce, David L.; Acta Crystallographica Section B 73 (2017) –; doi:10.1107/S2052520617000944

data_2108037
_publ_section_title
;
 1,3,5-Tri(iodoethynyl)-2,4,6-trifluorobenzene: halogen-bonded frameworks
 and NMR spectroscopic analysis
;
_journal_coeditor_code           XM5005
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052520617000944
_journal_volume                  73
_journal_year                    2017
_chemical_formula_sum            'C31 H24 Br F2 P'
_chemical_formula_weight         545.38
_chemical_melting_point          505
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 96.2767(17)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.7103(4)
_cell_length_b                   18.0967(6)
_cell_length_c                   13.6486(5)
_cell_measurement_reflns_used    9940
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.17
_cell_measurement_theta_min      2.25
_cell_volume                     2629.53(16)
_computing_cell_refinement       'APEX II, Bruker (2009)'
_computing_data_collection       'APEX II, Bruker (2009)'
_computing_data_reduction        'XPREP, Bruker (2009)'
_computing_molecular_graphics    'SHELXTL, Bruker (2004)'
_computing_publication_material  'SHELXTL, Bruker (2004)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-03 (Sheldrick, 2003)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.989
_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  0.0381
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            23062
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.303
_diffrn_reflns_theta_min         1.876
_exptl_absorpt_coefficient_mu    1.656
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.5403
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.378
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
_exptl_crystal_F_000             1112
_exptl_crystal_size_max          0.310
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.736
_refine_diff_density_min         -0.230
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         6468
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0450
_refine_ls_R_factor_gt           0.0318
_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^)+(0.0496P)^2^+0.0687P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0906
_reflns_number_gt                5130
_reflns_number_total             6468
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            xm5005sup1.cif
_cod_data_source_block           g
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               2108037
_cod_database_fobs_code          2108037
_shelx_estimated_absorpt_t_min   0.628
_shelx_estimated_absorpt_t_max   0.826
_shelx_hkl_checksum              85177
_shelx_res_checksum              30081
_shelxl_version_number           .2013