Dibromohydantoins as halogen bond (XB) donors: a route toward the introduction of chirality in halogen bonded systems
Nicolas, Irène; Jeannin, Olivier; Pichon, Delphine; Fourmigué, Marc; CrystEngComm 18 (2016) 9325–; doi:10.1039/C6CE02175A

data_7227011
_publ_section_title
;
 Dibromohydantoins as halogen bond (XB) donors: a route toward the
 introduction of chirality in halogen bonded systems
;
_journal_issue                   48
_journal_name_full               CrystEngComm
_journal_page_first              9325
_journal_paper_doi               10.1039/C6CE02175A
_journal_volume                  18
_journal_year                    2016
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C10 H10 Br2 F3 N3 O2'
_chemical_formula_sum            'C11 H10 Br2 F3 N3 O2'
_chemical_formula_weight         433.04
_chemical_melting_point          469
_chemical_name_systematic
(N,N'-Dibromo-5,5-dimethylhydantoin)(4-trifluoromethylpyridine)
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     'direct - structure invariant direct methods'
_atom_sites_solution_secondary   'direct - structure invariant direct methods'
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4.3
_audit_creation_date             2016-10-12T09:55:01-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2016-10-14 deposited with the CCDC.
2016-11-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.418(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.4108(4)
_cell_length_b                   7.9826(3)
_cell_length_c                   19.9558(10)
_cell_measurement_reflns_used    2637
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.38
_cell_measurement_theta_min      2.53
_cell_measurement_wavelength     0.71073
_cell_volume                     1486.59(11)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2006)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2006)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2006)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_UB_11      -0.036556
_diffrn_orient_matrix_UB_12      0.017058
_diffrn_orient_matrix_UB_13      -0.048834
_diffrn_orient_matrix_UB_21      0.094039
_diffrn_orient_matrix_UB_22      0.050199
_diffrn_orient_matrix_UB_23      -0.007464
_diffrn_orient_matrix_UB_31      0.036098
_diffrn_orient_matrix_UB_32      -0.113501
_diffrn_orient_matrix_UB_33      -0.010641
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0378
_diffrn_reflns_av_unetI/netI     0.0533
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.99
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8226
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.99
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.522
_diffrn_reflns_theta_min         2.058
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.492
_exptl_absorpt_correction_T_max  0.547
_exptl_absorpt_correction_T_min  0.429
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.935
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             840
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: CH2Cl2'
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.65
_refine_diff_density_min         -0.801
_refine_diff_density_rms         0.254
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.819
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3382
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.819
_refine_ls_R_factor_all          0.0523
_refine_ls_R_factor_gt           0.0339
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0928
_refine_ls_wR_factor_ref         0.1177
_reflns_Friedel_coverage         0
_reflns_number_gt                2684
_reflns_number_total             3382
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce02175a1.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 7227007--7227011.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7227011
_shelx_res_checksum              30037