Synthesis, Characterization, and Nitrogenase-Relevant Reactions of an Iron Sulfide Complex with a Bridging Hydride.
Arnet, Nicholas A.; Dugan, Thomas R.; Menges, Fabian S.; Mercado, Brandon Q.; Brennessel, William W.; Bill, Eckhard; Johnson, Mark A.; Holland, Patrick L.; Journal of the American Chemical Society 137 (2015) 13220–13223; doi:10.1021/jacs.5b06841

data_4129491
_publ_section_title
;
 Synthesis, Characterization, and Nitrogenase-Relevant Reactions of an
 Iron Sulfide Complex with a Bridging Hydride.
;
_journal_issue                   41
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13220
_journal_page_last               13223
_journal_paper_doi               10.1021/jacs.5b06841
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'C59 H83 Fe2 N4 O2 S, C18 H36 N2 Na O6'
_chemical_formula_sum            'C77 H119 Fe2 N6 Na O8 S'
_chemical_formula_weight         1423.52
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                104.326(7)
_cell_angle_beta                 110.612(8)
_cell_angle_gamma                94.734(7)
_cell_formula_units_Z            1
_cell_length_a                   12.7769(3)
_cell_length_b                   13.0700(3)
_cell_length_c                   13.5779(10)
_cell_measurement_reflns_used    42275
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     2020.0(2)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0r15 (Rigaku,2011)'
_computing_data_collection       'CrystalClear-SM Expert 2.0r15 (Rigaku,2011)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0r15 (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  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID imaging plate'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0612
_diffrn_reflns_av_unetI/netI     0.0395
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            53590
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.466
_diffrn_reflns_theta_min         3.128
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.444
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.744
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private Communication'
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             766
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.180
_refine_diff_density_max         1.745
_refine_diff_density_min         -0.800
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.151
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     578
_refine_ls_number_reflns         9250
_refine_ls_number_restraints     333
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.0999
_refine_ls_R_factor_gt           0.0905
_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^)+(0.0579P)^2^+9.0410P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2281
_refine_ls_wR_factor_ref         0.2329
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7996
_reflns_number_total             9250
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b06841_si_002.cif
_cod_data_source_block           5
_cod_database_code               4129491
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.817
_shelx_estimated_absorpt_t_max   0.924
_shelx_res_checksum              48459
_shelx_hkl_checksum              84584
_shelx_fab_checksum              39499