Preparation and reactivity of iron complexes bearing anionic carbazole-based PNP-type pincer ligands toward catalytic nitrogen fixation.
Higuchi, Junichi; Kuriyama, Shogo; Eizawa, Aya; Arashiba, Kazuya; Nakajima, Kazunari; Nishibayashi, Yoshiaki; Dalton transactions (Cambridge, England : 2003) 47 (2018) 1117–1121; doi:10.1039/c7dt04327a

data_7045127
_publ_section_title
;
 Preparation and reactivity of iron complexes bearing anionic
 carbazole-based PNP-type pincer ligands toward catalytic nitrogen
 fixation.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1117
_journal_page_last               1121
_journal_paper_doi               10.1039/c7dt04327a
_journal_volume                  47
_journal_year                    2018
_chemical_formula_moiety         'C76 H124 Cl2 Fe2 N2 P4'
_chemical_formula_sum            'C76 H124 Cl2 Fe2 N2 P4'
_chemical_formula_weight         1372.32
_chemical_properties_physical
Air-sensitive,Moisture-sensitive,Oxygen-sensitive
_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
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2017-11-30 deposited with the CCDC.
2017-12-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 93.479(7)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   23.0868(5)
_cell_length_b                   14.8066(4)
_cell_length_c                   24.7743(5)
_cell_measurement_reflns_used    54933
_cell_measurement_temperature    173
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.64
_cell_volume                     8453.2(3)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.2.5'
_computing_publication_material  'CrystalStructure 4.2.5 (Rigaku, 2017)'
_computing_structure_refinement  'SHELXL Version 2016/6 (Sheldrick, 2008)'
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0726
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            72868
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.483
_diffrn_reflns_theta_min         2.240
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.518
_exptl_absorpt_correction_T_max  0.925
_exptl_absorpt_correction_T_min  0.622
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.078
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2960.00
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.82
_refine_diff_density_min         -1.24
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.217
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     828
_refine_ls_number_reflns         19229
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.1432
_refine_ls_R_factor_gt           0.1168
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0798P)^2^+22.3708P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2399
_refine_ls_wR_factor_ref         0.2535
_reflns_Friedel_coverage         0.000
_reflns_number_gt                15997
_reflns_number_total             19229
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c7dt04327a2.cif
_cod_data_source_block           6a
_cod_depositor_comments
'Adding full bibliography for 7045127--7045130.cif.'
_cod_database_code               7045127
_shelx_res_checksum              43910
_shelx_fab_checksum              39211