Competition between hydrogen bonds and halogen bonds: a structural study
Gamekkanda, Janaka C.; Sinha, Abhijeet S.; Desper, John; Đaković, Marijana; Aakeröy, Christer B.; New Journal of Chemistry 42 (2018) 10539–; doi:10.1039/C8NJ00537K

data_7057385
_publ_section_title
;
 Competition between hydrogen bonds and halogen bonds: a structural study
;
_journal_issue                   13
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              10539
_journal_paper_doi               10.1039/C8NJ00537K
_journal_volume                  42
_journal_year                    2018
_chemical_formula_moiety         'C10 H10 I2 O2, C12 H10 N2'
_chemical_formula_sum            'C22 H20 I2 N2 O2'
_chemical_formula_weight         598.20
_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
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2018-01-29 deposited with the CCDC.
2018-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                93.5792(12)
_cell_angle_beta                 96.5739(11)
_cell_angle_gamma                107.2327(11)
_cell_formula_units_Z            2
_cell_length_a                   7.8373(7)
_cell_length_b                   11.6273(11)
_cell_length_c                   12.6853(12)
_cell_measurement_reflns_used    7080
_cell_measurement_temperature    228.(2)
_cell_measurement_theta_max      33.11
_cell_measurement_theta_min      2.58
_cell_volume                     1091.15(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      228.(2)
_diffrn_measured_fraction_theta_full 'ACTA 50'
_diffrn_measured_fraction_theta_max 0.910
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0258
_diffrn_reflns_av_unetI/netI     0.0372
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15152
_diffrn_reflns_theta_full        'ACTA 50'
_diffrn_reflns_theta_max         33.33
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    2.901
_exptl_absorpt_correction_T_max  0.69
_exptl_absorpt_correction_T_min  0.41
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.821
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rectangular
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.370
_exptl_crystal_size_mid          0.290
_exptl_crystal_size_min          0.140
_refine_diff_density_max         1.070
_refine_diff_density_min         -1.031
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     261
_refine_ls_number_reflns         7687
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0422
_refine_ls_R_factor_gt           0.0289
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0200P)^2^+0.6710P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0588
_refine_ls_wR_factor_ref         0.0659
_reflns_number_gt                6045
_reflns_number_total             7687
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nj00537k2.cif
_cod_data_source_block           D1A4
_cod_depositor_comments
'Adding full bibliography for 7057378--7057386.cif.'
_cod_database_code               7057385
_shelx_res_checksum              41472