Unusual Rearrangement of an N-Donor-Functionalized N-Heterocyclic Carbene Ligand on Group 8 Metals.
Liang, Qiuming; Salmon, Andrew; Kim, Patrick Jinhyung; Yan, Linfan; Song, Datong; Journal of the American Chemical Society  (2018) –; doi:10.1021/jacs.7b13097

data_4127039
_publ_section_title
;
 Unusual Rearrangement of an N-Donor-Functionalized N-Heterocyclic Carbene
 Ligand on Group 8 Metals.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b13097
_journal_year                    2018
_chemical_formula_sum            'C33 H42 Fe N4'
_chemical_formula_weight         550.55
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 107.924(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.2636(8)
_cell_length_b                   13.1137(8)
_cell_length_c                   16.3193(7)
_cell_measurement_reflns_used    25698
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.508
_cell_measurement_theta_min      2.033
_cell_volume                     2904.4(3)
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Kappa Apex II'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0641
_diffrn_reflns_av_unetI/netI     0.0670
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            25698
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.508
_diffrn_reflns_theta_min         2.033
_exptl_absorpt_coefficient_mu    0.547
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6492
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.259
_exptl_crystal_description       block
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.408
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     354
_refine_ls_number_reflns         6648
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0767
_refine_ls_R_factor_gt           0.0438
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0365P)^2^+1.2997P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0897
_refine_ls_wR_factor_ref         0.1021
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4680
_reflns_number_total             6648
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b13097_si_002.cif
_cod_data_source_block           3[Fe]
_cod_original_cell_volume        2904.3(3)
_cod_database_code               4127039
_shelx_shelxl_version_number     2016/6
_shelx_res_checksum              74360
_shelx_hkl_checksum              50131