Exploring secondary-sphere interactions in Fe-N x H y complexes relevant to N2 fixation.
Creutz, Sidney E.; Peters, Jonas C.; Chemical science 8 (2017) 2321–2328; doi:10.1039/c6sc04805f

data_1544757
_publ_section_title
;
 Exploring secondary-sphere interactions in Fe-N x H y complexes relevant
 to N2 fixation.
;
_journal_issue                   3
_journal_name_full               'Chemical science'
_journal_page_first              2321
_journal_page_last               2328
_journal_paper_doi               10.1039/c6sc04805f
_journal_volume                  8
_journal_year                    2017
_chemical_formula_sum            'C45 H69 Fe N5 Na O3 P3 Si'
_chemical_formula_weight         927.89
_chemical_name_common            'Compound 6''
_chemical_name_systematic        {[SiP(NMe)3]FeN2}{Na(THF)3}
_chemical_properties_physical    ', Air-sensitive,Moisture-sensitive'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-10-24 deposited with the CCDC.
2016-12-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   24.918(6)
_cell_length_b                   16.256(4)
_cell_length_c                   12.349(3)
_cell_measurement_reflns_used    9729
_cell_measurement_temperature    270(2)
_cell_measurement_theta_max      25.99
_cell_measurement_theta_min      2.23
_cell_volume                     5002(2)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.936
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1306
_diffrn_reflns_av_unetI/netI     0.0569
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.936
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            210829
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.936
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.819
_diffrn_reflns_theta_min         1.840
_exptl_absorpt_coefficient_mu    0.472
_exptl_absorpt_correction_T_max  .7382
_exptl_absorpt_correction_T_min  .6427
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_description       block
_exptl_crystal_F_000             1976
_refine_diff_density_max         0.585
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     356
_refine_ls_number_reflns         8257
_refine_ls_number_restraints     521
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.1078
_refine_ls_R_factor_gt           0.0699
_refine_ls_shift/su_max          0.031
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0689P)^2^+4.5993P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1665
_refine_ls_wR_factor_ref         0.1863
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5902
_reflns_number_total             8257
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6sc04805f2.cif
_cod_data_source_block           a15176_a
_cod_depositor_comments
;Adding full bibliography for 1544751--1544760.cif.

 Adding full bibliography for 1544751--1544760.cif.
;
_cod_database_code               1544757
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              58481