Effects of N<sub>2</sub> Binding Mode on Iron-Based Functionalization of Dinitrogen to Form an Iron(III) Hydrazido Complex.
McWilliams, Sean F.; Bill, Eckhard; Lukat-Rodgers, Gudrun; Rodgers, Kenton R.; Mercado, Brandon Q.; Holland, Patrick L.; Journal of the American Chemical Society 140 (2018) 8586–8598; doi:10.1021/jacs.8b04828

data_4132551
_publ_section_title
;
 Effects of N<sub>2</sub> Binding Mode on Iron-Based Functionalization of
 Dinitrogen to Form an Iron(III) Hydrazido Complex.
;
_journal_issue                   27
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8586
_journal_page_last               8598
_journal_paper_doi               10.1021/jacs.8b04828
_journal_volume                  140
_journal_year                    2018
_chemical_formula_moiety         'C58 H82 Fe2 N6, 2(C20 H40 K O10)'
_chemical_formula_sum            'C98 H162 Fe2 K2 N6 O20'
_chemical_formula_weight         1934.23
_space_group_crystal_system      monoclinic
_space_group_IT_number           12
_space_group_name_Hall           '-C 2y'
_space_group_name_H-M_alt        'C 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     SHELXT
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 108.659(8)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   20.2963(15)
_cell_length_b                   17.9161(13)
_cell_length_c                   15.4636(11)
_cell_measurement_reflns_used    13499
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      25.2
_cell_measurement_theta_min      3.1
_cell_volume                     5327.5(7)
_computing_cell_refinement
'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_data_reduction
'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_molecular_graphics
; 
Dolomanov, O.V.; Bourhis, L.J.; Gildea, R.J.; Howard, J.A.K.; Puschmann, H., 
OLEX2: A complete structure solution, refinement and analysis program
(2009). J. Appl. Cryst., 42, 339-341.
;
_computing_publication_material  'CIFTAB-2013/2 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 6.8
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Rigaku Mercury275R CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1337
_diffrn_reflns_av_unetI/netI     0.0975
_diffrn_reflns_Laue_measured_fraction_full 0.972
_diffrn_reflns_Laue_measured_fraction_max 0.972
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            15986
_diffrn_reflns_point_group_measured_fraction_full 0.972
_diffrn_reflns_point_group_measured_fraction_max 0.972
_diffrn_reflns_theta_full        25.025
_diffrn_reflns_theta_max         25.025
_diffrn_reflns_theta_min         3.108
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.416
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private Communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.206
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             2084
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.520
_refine_diff_density_min         -0.539
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.140
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     432
_refine_ls_number_reflns         4738
_refine_ls_number_restraints     295
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.1020
_refine_ls_R_factor_gt           0.0700
_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^)+(0.0753P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1472
_refine_ls_wR_factor_ref         0.1655
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3515
_reflns_number_total             4738
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b04828_si_003.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      'C 2/m'
_cod_database_code               4132551
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.921
_shelx_estimated_absorpt_t_max   0.975
_shelx_res_checksum              14040
_shelx_hkl_checksum              80712
_shelx_fab_checksum              49894