Catalytic N-N Coupling of Aryl Azides To Yield Azoarenes via trigonal Bipyramid Iron-Nitrene Intermediates
Neal P. Mankad; Peter Müller; Jonas C. Peters; Journal of the American Chemical Society 132 (2010) 4083–4085; doi:10.1021/ja910224c

data_4102168
_publ_section_title
;
 Catalytic N-N Coupling of Aryl Azides To Yield Azoarenes via trigonal
 Bipyramid Iron-Nitrene Intermediates
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4083
_journal_page_last               4085
_journal_paper_doi               10.1021/ja910224c
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C43 H62 Fe N P3 Si'
_chemical_formula_weight         769.79
_chemical_name_common            '[SiPiPr3]Fe(NHTol)'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.4209(18)
_cell_length_b                   14.619(2)
_cell_length_c                   21.192(3)
_cell_measurement_reflns_used    9550
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.40
_cell_measurement_theta_min      2.27
_cell_volume                     4157.9(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0903
_diffrn_reflns_av_sigmaI/netI    0.0588
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            93936
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    0.537
_exptl_absorpt_correction_T_max  0.9482
_exptl_absorpt_correction_T_min  0.8555
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1648
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.363
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.016(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     459
_refine_ls_number_reflns         12149
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0587
_refine_ls_R_factor_gt           0.0419
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0334P)^2^+1.4984P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0820
_refine_ls_wR_factor_ref         0.0899
_reflns_number_gt                10085
_reflns_number_total             12149
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja910224c_si_001_2.cif
_cod_data_source_block           09242
_cod_original_cell_volume        4157.8(10)
_cod_database_code               4102168