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_7057381
_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 H12 N2'
_chemical_formula_sum            'C22 H22 I2 N2 O2'
_chemical_formula_weight         600.21
_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   geom
_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                92.124(6)
_cell_angle_beta                 97.154(6)
_cell_angle_gamma                109.722(6)
_cell_formula_units_Z            2
_cell_length_a                   7.8440(14)
_cell_length_b                   11.568(2)
_cell_length_c                   12.755(2)
_cell_measurement_reflns_used    9877
_cell_measurement_temperature    120.(2)
_cell_measurement_theta_max      30.52
_cell_measurement_theta_min      2.37
_cell_volume                     1077.1(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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      120.(2)
_diffrn_measured_fraction_theta_full 'ACTA 50'
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'Bruker APEX-II 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  0.0327
_diffrn_reflns_av_unetI/netI     0.0319
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            22664
_diffrn_reflns_theta_full        'ACTA 50'
_diffrn_reflns_theta_max         30.59
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    2.939
_exptl_absorpt_correction_T_max  0.80
_exptl_absorpt_correction_T_min  0.36
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.851
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             580
_exptl_crystal_size_max          0.440
_exptl_crystal_size_mid          0.380
_exptl_crystal_size_min          0.080
_refine_diff_density_max         1.735
_refine_diff_density_min         -1.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     296
_refine_ls_number_reflns         6403
_refine_ls_number_restraints     90
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0349
_refine_ls_R_factor_gt           0.0297
_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^)+(0.0317P)^2^+1.7057P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0706
_refine_ls_wR_factor_ref         0.0734
_reflns_number_gt                5625
_reflns_number_total             6403
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nj00537k2.cif
_cod_data_source_block           D1A5
_cod_depositor_comments
'Adding full bibliography for 7057378--7057386.cif.'
_cod_database_code               7057381
_shelx_res_checksum              86486