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_1544756
_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            'C73 H82 B F24 Fe N3 O1.5 P3 Si'
_chemical_formula_weight         1669.07
_chemical_name_common            'Compound 4'
_chemical_name_systematic        {]SiP(iPr)2P(NMe)]FeN2H4}{BArF4}
_chemical_properties_physical    ', Air-sensitive,Moisture-sensitive'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-10-24 deposited with the CCDC.
2016-12-08 downloaded from the CCDC.
;
_cell_angle_alpha                86.951(5)
_cell_angle_beta                 77.672(5)
_cell_angle_gamma                72.605(5)
_cell_formula_units_Z            2
_cell_length_a                   12.6269(13)
_cell_length_b                   16.1557(17)
_cell_length_c                   20.397(2)
_cell_measurement_reflns_used    9140
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.61
_cell_measurement_theta_min      2.27
_cell_volume                     3878.8(7)
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_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  0.0480
_diffrn_reflns_av_unetI/netI     0.0287
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            247472
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.280
_diffrn_reflns_theta_min         1.321
_exptl_absorpt_coefficient_mu    0.375
_exptl_absorpt_correction_T_max  0.7465
_exptl_absorpt_correction_T_min  0.6853
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.429
_exptl_crystal_description       block
_exptl_crystal_F_000             1718
_refine_diff_density_max         1.977
_refine_diff_density_min         -1.331
_refine_diff_density_rms         0.110
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1041
_refine_ls_number_reflns         29765
_refine_ls_number_restraints     1087
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0743
_refine_ls_R_factor_gt           0.0552
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0996P)^2^+3.6273P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1576
_refine_ls_wR_factor_ref         0.1750
_reflns_Friedel_coverage         0.000
_reflns_number_gt                23231
_reflns_number_total             29765
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6sc04805f2.cif
_cod_data_source_block           a14133_final
_cod_depositor_comments
;Adding full bibliography for 1544751--1544760.cif.

 Adding full bibliography for 1544751--1544760.cif.
;
_cod_original_cell_volume        3878.7(7)
_cod_original_formula_sum        'C73 H82 B F24 Fe N3 O1.50 P3 Si'
_cod_database_code               1544756
_shelxl_version_number           2013-3
_shelx_res_checksum              89932