Chalcogen complexes of anionic N-heterocyclic carbenes.
Ho, Luong Phong; Körner, Lukas; Bannenberg, Thomas; Tamm, Matthias; Dalton transactions (Cambridge, England : 2003) 49 (2020) 13207–13217; doi:10.1039/d0dt02392b

data_7705041
_publ_section_title
;
 Chalcogen complexes of anionic N-heterocyclic carbenes.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13207
_journal_page_last               13217
_journal_paper_doi               10.1039/d0dt02392b
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C90 H70 B2 F30 N4 Se2, C6 H5 Cl, C6 H14'
_chemical_formula_sum            'C102 H89 B2 Cl F30 N4 Se2'
_chemical_formula_weight         2155.76
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-07-01 deposited with the CCDC.	2020-08-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.56245(6)
_cell_length_b                   26.01067(13)
_cell_length_c                   29.40849(13)
_cell_measurement_reflns_used    192731
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      76.4070
_cell_measurement_theta_min      2.2900
_cell_volume                     9609.45(8)
_computing_cell_refinement       'CrysAlisPro 1.171.40.21a (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.40.21a (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.40.21a (Rigaku OD, 2018)'
_computing_molecular_graphics    ORTEP3
_computing_publication_material
'OLEX2 v1.2 (O. V. Dolomanov et al., J. Appl. Cryst., 2009, 42, 339-341)'
_computing_structure_refinement
'SHELXL-2018/3 (G. M. Sheldrick, Acta Cryst., 2008, A64, 112-122)'
_computing_structure_solution
'SHELXT-2014/5 (G. M. Sheldrick, Acta Cryst., 2015, A71, 3-8)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type
'XtaLAB Synergy, Single source at home/near, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0479
_diffrn_reflns_av_unetI/netI     0.0164
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            273369
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.974
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         77.130
_diffrn_reflns_theta_min         2.268
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    2.172
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.443
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.21a (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            orange
_exptl_crystal_density_diffrn    1.490
_exptl_crystal_description       block
_exptl_crystal_F_000             4376
_exptl_crystal_size_max          0.269
_exptl_crystal_size_mid          0.132
_exptl_crystal_size_min          0.075
_refine_diff_density_max         1.855
_refine_diff_density_min         -1.057
_refine_diff_density_rms         0.094
_refine_ls_abs_structure_details
;
 Flack x determined using 8550 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.006(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1344
_refine_ls_number_reflns         19811
_refine_ls_number_restraints     253
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0485
_refine_ls_R_factor_gt           0.0479
_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^)+(0.0867P)^2^+10.6540P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1339
_refine_ls_wR_factor_ref         0.1346
_reflns_Friedel_coverage         0.821
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.962
_reflns_number_gt                19500
_reflns_number_total             19811
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt02392b3.cif
_cod_data_source_block           ph42ph
_cod_depositor_comments
'Adding full bibliography for 7705040--7705050.cif.'
_cod_database_code               7705041
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.593
_shelx_estimated_absorpt_t_max   0.854
_shelx_res_checksum              85082