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_4334151
_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_moiety         '(C42 H78 N2 P4 Ru), 0.5(C5 H12)'
_chemical_formula_sum            'C44.5 H84 N2 P4 Ru'
_chemical_formula_weight         872.09
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.5590(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.6360(5)
_cell_length_b                   14.2697(5)
_cell_length_c                   23.6883(7)
_cell_measurement_reflns_used    9962
_cell_measurement_temperature    152(2)
_cell_measurement_theta_max      30.463
_cell_measurement_theta_min      2.697
_cell_volume                     4609.1(3)
_computing_cell_refinement       '<i>SAINT</i> (Bruker, 2007)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2007)'
_computing_data_reduction        '<i>SAINT</i>  '
_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      152(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0409
_diffrn_reflns_av_sigmaI/netI    0.0377
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            40047
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.68
_exptl_absorpt_coefficient_mu    0.511
_exptl_absorpt_correction_T_max  0.9705
_exptl_absorpt_correction_T_min  0.8877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '<i>SADABS</i> (Bruker, 2001)'
_exptl_crystal_colour            'Orange yellow'
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_description       Pyramidal
_exptl_crystal_F_000             1876
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.421
_refine_diff_density_min         -0.298
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     489
_refine_ls_number_reflns         10047
_refine_ls_number_restraints     40
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0390
_refine_ls_R_factor_gt           0.0268
_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^)+(0.0272P)^2^+2.3237P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0614
_refine_ls_wR_factor_ref         0.0670
_reflns_number_gt                8286
_reflns_number_total             10047
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3024953_si_001_3.cif
_cod_data_source_block           Complex2
_cod_original_formula_sum        'C44.50 H84 N2 P4 Ru'
_cod_database_code               4334151