Low Oxidation State Iron(0), Iron(I), and Ruthenium(0) Dinitrogen Complexes with a Very Bulky Neutral Phosphine Ligand
Ryan Gilbert-Wilson; Leslie D. Field; Stephen B. Colbran; Mohan M. Bhadbhade; Inorganic Chemistry 52 (2013) 3043–3053; doi:10.1021/ic3024953

data_4334154
_publ_section_title
;
 Low Oxidation State Iron(0), Iron(I), and Ruthenium(0) Dinitrogen
 Complexes with a Very Bulky Neutral Phosphine Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3043
_journal_page_last               3053
_journal_paper_doi               10.1021/ic3024953
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C42 H80 Fe P4'
_chemical_formula_weight         764.79
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.320(3)
_cell_angle_beta                 83.021(3)
_cell_angle_gamma                78.371(3)
_cell_formula_units_Z            4
_cell_length_a                   13.7011(9)
_cell_length_b                   16.1969(11)
_cell_length_c                   19.7521(13)
_cell_measurement_reflns_used    9968
_cell_measurement_temperature    155(2)
_cell_measurement_theta_max      28.575
_cell_measurement_theta_min      2.440
_cell_volume                     4214.7(5)
_computing_cell_refinement       '<i>APEX2 </i>(Bruker, 2007)'
_computing_data_collection       '<i>APEX2 </i>(Bruker, 2007)'
_computing_data_reduction        '<i>APEX2 </i>(Bruker, 2007)'
_computing_molecular_graphics    '<i>SHELXTL-Plus</i> (Sheldrick, 2008)'
_computing_structure_refinement  '<i>SHELXL-97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS-97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      155(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker kappa APEXII CCD Diffractometer'
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0572
_diffrn_reflns_av_sigmaI/netI    0.0712
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            55487
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.92
_exptl_absorpt_coefficient_mu    0.537
_exptl_absorpt_correction_T_max  0.9767
_exptl_absorpt_correction_T_min  0.8787
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2001)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_description       'Rhombic plates'
_exptl_crystal_F_000             1672
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.776
_refine_diff_density_min         -0.310
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.986
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     861
_refine_ls_number_reflns         14758
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0789
_refine_ls_R_factor_gt           0.0409
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0359P)^2^+3.2060P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0825
_refine_ls_wR_factor_ref         0.0970
_reflns_number_gt                10207
_reflns_number_total             14758
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3024953_si_001_6.cif
_cod_data_source_block           Complex5
_cod_database_code               4334154