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_4301197
_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_absolute_configuration ad
_chemical_formula_moiety         'C44 H40 Fe N4 P2, 2(B F4)'
_chemical_formula_sum            'C44 H40 B2 F8 Fe N4 P2'
_chemical_formula_weight         916.21
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            12
_cell_length_a                   9.8340(3)
_cell_length_b                   32.8133(10)
_cell_length_c                   38.8071(14)
_cell_measurement_reflns_used    50075
_cell_measurement_temperature    100(1)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.6
_cell_volume                     12522.5(7)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2003)'
_computing_data_reduction        Denzo-SMN
_computing_molecular_graphics    'SHELXTL V6.1'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXTL V6.1(Sheldrick, 2001)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      100(1)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_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  0.0863
_diffrn_reflns_av_sigmaI/netI    0.1416
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       46
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            50075
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.60
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.512
_exptl_absorpt_correction_T_max  0.946
_exptl_absorpt_correction_T_min  0.725
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_density_diffrn    1.458
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             5640
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.534
_refine_diff_density_min         -0.566
_refine_diff_density_rms         0.091
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1648
_refine_ls_number_reflns         20664
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1588
_refine_ls_R_factor_gt           0.0807
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0869P)^2^+17.8162P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1686
_refine_ls_wR_factor_ref         0.2116
_reflns_number_gt                11872
_reflns_number_total             20664
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic801518h_si_002_2.cif
_cod_data_source_block           Complex_2_(k0622)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4301197