Synthesis and Characterization of Iron(II) Complexes with Tetradentate Diiminodiphosphine or Diaminodiphosphine Ligands as Precatalysts for the Hydrogenation of Acetophenone
Christine Sui-Seng; F. Nipa Haque; Alen Hadzovic; Anna-Maria Pütz; Valerie Reuss; Nils Meyer; Alan J. Lough; Marco Zimmer-De Iuliis; Robert H. Morris; Inorganic Chemistry 48 (2009) 735–743; doi:10.1021/ic801518h

data_4301196
_publ_section_title
;
Synthesis and Characterization of Iron(II) Complexes with Tetradentate
Diiminodiphosphine or Diaminodiphosphine Ligands as Precatalysts for the
Hydrogenation of Acetophenone
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              735
_journal_page_last               743
_journal_paper_doi               10.1021/ic801518h
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C50 H49 Cl4 Fe2 N7 P2'
_chemical_formula_weight         1063.40
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   33.049(5)
_cell_length_b                   33.049(5)
_cell_length_c                   19.333(4)
_cell_measurement_temperature    373(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.73
_cell_volume                     21116(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      373(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_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  0.1005
_diffrn_reflns_av_sigmaI/netI    0.0922
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       42
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            67418
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.73
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.853
_exptl_absorpt_correction_T_max  0.872
_exptl_absorpt_correction_T_min  0.869
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             8768
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.738
_refine_diff_density_min         -0.773
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    restr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     591
_refine_ls_number_reflns         12075
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.1242
_refine_ls_R_factor_gt           0.0647
_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^)+(0.0943P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1620
_refine_ls_wR_factor_ref         0.1832
_reflns_number_gt                7097
_reflns_number_total             12075
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801518h_si_002_1.cif
_cod_data_source_block           Complex_1(k05124)
_cod_original_sg_symbol_H-M      'I 41/a'
_cod_database_code               4301196