Synthesis and Hydrogenation Activity of Iron Dialkyl Complexes with Chiral Bidentate Phosphines
Hoyt, Jordan M.; Shevlin, Michael; Margulieux, Grant W.; Krska, Shane W.; Tudge, Matthew T.; Chirik, Paul J.; Organometallics 33 (2014) 5781–; doi:10.1021/om500329q

data_4083589
_publ_section_title
;
 Synthesis and Hydrogenation Activity of Iron Dialkyl Complexes with
 Chiral Bidentate Phosphines
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5781
_journal_paper_doi               10.1021/om500329q
_journal_volume                  33
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_sum            'C26 H50 Fe P2 Si2'
_chemical_formula_weight         536.63
_chemical_name_systematic
;
 ?
;
_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            4
_cell_length_a                   10.0928(2)
_cell_length_b                   15.2244(3)
_cell_length_c                   20.1436(5)
_cell_measurement_reflns_used    9966
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      66.48
_cell_measurement_theta_min      4.39
_cell_volume                     3095.20(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP 3 (Farraguia, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR 92 (Giacavazzo, 1993)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 'ACTA 50'
_diffrn_measured_fraction_theta_max 0.973
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0291
_diffrn_reflns_av_sigmaI/netI    0.0626
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11219
_diffrn_reflns_theta_full        'ACTA 50'
_diffrn_reflns_theta_max         66.47
_diffrn_reflns_theta_min         4.39
_exptl_absorpt_coefficient_mu    5.695
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.5519
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2008/1 (Bruker AXS)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.152
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.193
_exptl_crystal_size_mid          0.095
_exptl_crystal_size_min          0.064
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.011(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.837
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         4640
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.837
_refine_ls_R_factor_all          0.0241
_refine_ls_R_factor_gt           0.0227
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0542
_refine_ls_wR_factor_ref         0.0546
_reflns_number_gt                4426
_reflns_number_total             4640
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om500329q_si_002.cif
_cod_data_source_block           jmh36
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'P2(1)2(1)2(1) '
_cod_database_code               4083589