Imidazolium-benzimidazolates as convenient sources of donor-functionalised normal and abnormal N-heterocyclic carbenes.
Kureja, Kunal; Zinke, Julian; Bruhn, Clemens; Siemeling, Ulrich; Chemical communications (Cambridge, England) 55 (2019) 9705–9708; doi:10.1039/c9cc05283f

data_7125758
_publ_section_title
;
 Imidazolium-benzimidazolates as convenient sources of
 donor-functionalised normal and abnormal N-heterocyclic carbenes.
;
_journal_issue                   65
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              9705
_journal_page_last               9708
_journal_paper_doi               10.1039/c9cc05283f
_journal_volume                  55
_journal_year                    2019
_chemical_formula_moiety         'C24 H26 Cl N4 Ni Rh'
_chemical_formula_sum            'C24 H26 Cl N4 Ni Rh'
_chemical_formula_weight         567.56
_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
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-07-08 deposited with the CCDC.	2019-07-19 downloaded from the CCDC.
;
_cell_angle_alpha                117.501(7)
_cell_angle_beta                 95.030(8)
_cell_angle_gamma                100.470(8)
_cell_formula_units_Z            2
_cell_length_a                   7.1632(7)
_cell_length_b                   13.0691(12)
_cell_length_c                   13.5288(14)
_cell_measurement_reflns_used    10038
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.08
_cell_measurement_theta_min      1.73
_cell_volume                     1083.1(2)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_details      ' 207 frames, detector distance = 130 mm'
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_collimation    '1.2, 0.6 mm diameter, multiple pinhole'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  270
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0793
_diffrn_reflns_av_unetI/netI     0.0723
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            7900
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.495
_diffrn_reflns_theta_min         1.731
_diffrn_source                   'Genix Mo HF'
_diffrn_source_current           1.000
_diffrn_source_power             0.050
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    1.774
_exptl_absorpt_correction_T_max  0.9708
_exptl_absorpt_correction_T_min  0.7304
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'X-red ver. 1.58 (Stoe & Cie. 2012)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.740
_exptl_crystal_description       plate
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.190
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.010
_refine_diff_density_max         1.680
_refine_diff_density_min         -1.474
_refine_diff_density_rms         0.186
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         4024
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0914
_refine_ls_R_factor_gt           0.0779
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1697P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2020
_refine_ls_wR_factor_ref         0.2236
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3139
_reflns_number_total             4024
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc05283f2.cif
_cod_data_source_block           i2398a
_cod_database_code               7125758
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.729
_shelx_estimated_absorpt_t_max   0.982
_shelx_res_checksum              24015