Janus bis(NHCs) tuned by heteroatom-bridge oxidation states.
Naz, Nabila Rauf; Schnakenburg, Gregor; Mikeházi, Antal; Kelemen, Zsolt; Nyulászi, László; Boeré, René T; Streubel, Rainer; Chemical communications (Cambridge, England) 56 (2020) 2646–2649; doi:10.1039/c9cc08468a

data_7125777
_publ_section_title
;
 Janus bis(NHCs) tuned by heteroatom-bridge oxidation states.
;
_journal_issue                   17
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2646
_journal_page_last               2649
_journal_paper_doi               10.1039/c9cc08468a
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C30 H56 N6 P2 Se2'
_chemical_formula_sum            'C30 H56 N6 P2 Se2'
_chemical_formula_weight         720.66
_chemical_name_systematic        NRN-142
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2017-09-27
_audit_creation_method
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Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
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_audit_update_record
;
2019-05-29 deposited with the CCDC.	2020-01-13 downloaded from the CCDC.
;
_cell_angle_alpha                74.256(4)
_cell_angle_beta                 75.947(4)
_cell_angle_gamma                74.656(4)
_cell_formula_units_Z            2
_cell_length_a                   9.2393(5)
_cell_length_b                   13.1195(7)
_cell_length_c                   16.0254(7)
_cell_measurement_reflns_used    10747
_cell_measurement_temperature    123
_cell_measurement_theta_max      29.42
_cell_measurement_theta_min      2.68
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_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      123
_diffrn_detector                 'Bruker Photon100 detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8-Venture'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_unetI/netI     0.0634
_diffrn_reflns_Laue_measured_fraction_full 0.982
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            13026
_diffrn_reflns_point_group_measured_fraction_full 0.982
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.996
_diffrn_reflns_theta_min         2.687
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_exptl_absorpt_coefficient_mu    2.205
_exptl_absorpt_correction_T_max  0.8344
_exptl_absorpt_correction_T_min  0.5308
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_description       plate
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.996
_refine_diff_density_min         -0.537
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     369
_refine_ls_number_reflns         6846
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0742
_refine_ls_R_factor_gt           0.0493
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0309P)^2^+5.1324P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1090
_refine_ls_wR_factor_ref         0.1142
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4985
_reflns_number_total             6846
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc08468a2.cif
_cod_data_source_block           5366
_cod_depositor_comments
'Adding full bibliography for 7125777--7125780.cif.'
_cod_original_cell_volume        1772.13(17)
_cod_database_code               7125777
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.937
_shelx_estimated_absorpt_t_min   0.778
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C5(H5A,H5B), C6(H6A,H6B), C8(H8A,H8B), C9(H9A,H9B), C10(H10A,
 H10B), C15(H15A,H15B), C16(H16A,H16B), C17(H17A,H17B), C19(H19A,H19B),
 C20(H20A,H20B), C21(H21A,H21B), C23(H23A,H23B), C25(H25A,H25B), C27(H27A,H27B),
  C29(H29A,H29B)
2.b Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C11(H11A,H11B,H11C), C18(H18A,H18B,H18C), C22(H22A,H22B,
 H22C), C24(H24A,H24B,H24C), C26(H26A,H26B,H26C), C28(H28A,H28B,H28C), C30(H30A,
 H30B,H30C)
;
_shelx_res_checksum              63616
_shelx_hkl_checksum              9190
_olex2_submission_special_instructions 'No special instructions were received'