Reactions of N-heterocyclic carbene-based chalcogenoureas with halogens: a diverse range of outcomes
Saab, Marina; Nelson, David J.; Leech, Matthew C.; Lam, Kevin; Nolan, Steven P.; Nahra, Fady; Van Hecke, Kristof; Dalton Transactions  (2022) –; doi:10.1039/D2DT00010E

data_7709497
_publ_section_title
;
 Reactions of N-heterocyclic carbene-based chalcogenoureas with halogens:
 a diverse range of outcomes
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT00010E
_journal_year                    2022
_chemical_formula_moiety         'C21 H24 Br2 N2 Se'
_chemical_formula_sum            'C21 H24 Br2 N2 Se'
_chemical_formula_weight         543.18
_space_group_crystal_system      orthorhombic
_space_group_IT_number           52
_space_group_name_Hall           '-P 2a 2bc'
_space_group_name_H-M_alt        'P n n a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-01-31
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-11-12 deposited with the CCDC.	2022-02-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.6139(4)
_cell_length_b                   14.3164(3)
_cell_length_c                   7.58200(10)
_cell_measurement_reflns_used    4943
_cell_measurement_temperature    100(1)
_cell_measurement_theta_max      73.7940
_cell_measurement_theta_min      4.4770
_cell_volume                     2129.03(7)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(1)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.4839
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w   -115.00 -14.00   1.00    1.00    --  -41.68 -57.00  60.00  101
  2  \w    -66.00  33.00   1.00    1.00    --  -41.68  38.00  30.00   99
  3  \w     27.00  98.00   1.00    1.00    --   41.68-125.00 -60.00   71
  4  \w     33.00 112.00   1.00    1.00    --  106.01-125.00-120.00   79
  5  \w     80.00 178.00   1.00    1.00    --  106.01  45.00-180.00   98
  6  \w    103.00 178.00   1.00    1.00    --  106.01  77.00 -90.00   75
  7  \w     33.00 112.00   1.00    1.00    --  106.01-125.00  60.00   79
  8  \w     78.00 178.00   1.00    1.00    --  106.01  30.00 -90.00  100
  9  \w   -115.00 -14.00   1.00    1.00    --  -41.68 -57.00-180.00  101
 10  \w   -115.00 -14.00   1.00    1.00    --  -41.68 -57.00 -60.00  101
 11  \w     53.00  78.00   1.00    1.00    --  106.01  15.00  60.00   25
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0307374000
_diffrn_orient_matrix_UB_12      0.0443146000
_diffrn_orient_matrix_UB_13      -0.1672196000
_diffrn_orient_matrix_UB_21      0.0683663000
_diffrn_orient_matrix_UB_22      -0.0133032000
_diffrn_orient_matrix_UB_23      -0.0967893000
_diffrn_orient_matrix_UB_31      -0.0233942000
_diffrn_orient_matrix_UB_32      -0.0971862000
_diffrn_orient_matrix_UB_33      -0.0628746000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0267
_diffrn_reflns_av_unetI/netI     0.0199
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            10733
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.868
_diffrn_reflns_theta_min         4.509
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    6.829
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.661
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Numerical absorption correction based on gaussian integration over
			a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.695
_exptl_crystal_description       needle
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.181
_exptl_crystal_size_mid          0.127
_exptl_crystal_size_min          0.052
_refine_diff_density_max         0.837
_refine_diff_density_min         -0.399
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     122
_refine_ls_number_reflns         2137
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0331
_refine_ls_R_factor_gt           0.0255
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0257P)^2^+2.5202P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0601
_refine_ls_wR_factor_ref         0.0635
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1802
_reflns_number_total             2137
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt00010e2.cif
_cod_data_source_block           ms200
_cod_database_code               7709497
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C21 H24 Br2 N2 Se'
_reflns_odcompleteness_completeness 99.95
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     66.97
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C5(H5), C7(H7)
2.b Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C)
;
_shelx_res_checksum              96546
_shelx_hkl_checksum              2011
_olex2_date_sample_data_collection 2019-10-01
_olex2_exptl_crystal_mounting_method 'mounted on a LithoLoop'
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.564
_oxdiff_exptl_absorpt_empirical_full_min 0.708