A Bidentate Carbene Ligand Stabilizes a Low-Coordinate Iron(0) Carbonyl Complex
Hickey, Anne K.; Lee, Wei-Tsung; Chen, Chun-Hsing; Pink, Maren; Smith, Jeremy M.; Organometallics 35 (2016) 3069–; doi:10.1021/acs.organomet.6b00599

data_4086648
_publ_section_title
;
 A Bidentate Carbene Ligand Stabilizes a Low-Coordinate Iron(0) Carbonyl
 Complex
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              3069
_journal_paper_doi               10.1021/acs.organomet.6b00599
_journal_volume                  35
_journal_year                    2016
_chemical_formula_moiety         'C33 H40 B Fe N4, 1.5 (C7 H8)'
_chemical_formula_sum            'C43.5 H52 B Fe N4'
_chemical_formula_weight         697.55
_space_group_IT_number           15
_symmetry_cell_setting           Monoclinic'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.1421(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.9177(8)
_cell_length_b                   11.9809(4)
_cell_length_c                   24.7792(8)
_cell_measurement_reflns_used    5690
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      23.33
_cell_measurement_theta_min      2.43
_cell_volume                     7616.8(4)
_computing_cell_refinement       'APEX II v2010.11.3 (Bruker, 2013)'
_computing_data_collection       'APEX II v2010.11.3 (Bruker, 2013)'
_computing_data_reduction        'APEX II v2010.11.3 (Bruker, 2013)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2013)'
_computing_publication_material  'SHELXTL (Bruker, 2013)'
_computing_structure_refinement  'SHELXTL (Bruker, 2012)'
_computing_structure_solution    'SHELXTL (Bruker, 2013)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 83.33
_diffrn_detector_type            'Bruker APEXII'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_details
'0.50 degree frames measured for 120 seconds each'
_diffrn_measurement_device       'APEX Kappa Duo'
_diffrn_measurement_device_type  Kappa
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0499
_diffrn_reflns_av_sigmaI/netI    0.0658
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            26742
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    0.431
_exptl_absorpt_correction_T_max  0.9787
_exptl_absorpt_correction_T_min  0.8998
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, G Sheldrick; 2012'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2976
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.367
_refine_diff_density_min         -0.382
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     473
_refine_ls_number_reflns         6689
_refine_ls_number_restraints     131
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0886
_refine_ls_R_factor_gt           0.0452
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0432P)^2^+8.2000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0935
_refine_ls_wR_factor_ref         0.1067
_reflns_number_gt                4477
_reflns_number_total             6689
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om6b00599_si_002.cif
_cod_data_source_block           14026
_cod_depositor_comments
'Adding full bibliography for 4086647--4086651.cif.'
_cod_original_sg_symbol_H-M      C2/c
_cod_original_formula_sum        'C43.50 H52 B Fe N4'
_cod_database_code               4086648