Enantiopure Pyridine Bis(oxazoline) “Pybox” and Bis(oxazoline) “Box” Iron Dialkyl Complexes: Comparison to Bis(imino)pyridine Compounds and Application to Catalytic Hydrosilylation of Ketones
Tondreau, Aaron M.; Darmon, Jonathan M.; Wile, Bradley M.; Floyd, Sarah K.; Lobkovsky, Emil; Chirik, Paul J.; Organometallics 28 (2009) 3928–; doi:10.1021/om900224e

data_4069488
_publ_section_title
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 Enantiopure Pyridine Bis(oxazoline) &#x201C;Pybox&#x201D; and
 Bis(oxazoline) &#x201C;Box&#x201D; Iron Dialkyl Complexes: Comparison to
 Bis(imino)pyridine Compounds and Application to Catalytic Hydrosilylation
 of Ketones
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_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              3928
_journal_paper_doi               10.1021/om900224e
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C25 H45 Fe N3 O2 Si2'
_chemical_formula_sum            'C25 H45 Fe N3 O2 Si2'
_chemical_formula_weight         531.67
_chemical_name_systematic
;

 ?

;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.797(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.0297(8)
_cell_length_b                   12.0347(7)
_cell_length_c                   15.5970(8)
_cell_measurement_reflns_used    7485
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      30.54
_cell_measurement_theta_min      2.46
_cell_volume                     3005.3(3)
_computing_cell_refinement       'Bruker SAINT+'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT+'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker X8 APEX II diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0478
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20601
_diffrn_reflns_theta_full        31.68
_diffrn_reflns_theta_max         31.68
_diffrn_reflns_theta_min         1.31
_exptl_absorpt_coefficient_mu    0.606
_exptl_absorpt_correction_T_max  0.9147
_exptl_absorpt_correction_T_min  0.7127
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.175
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.551
_refine_diff_density_min         -0.353
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.011(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     368
_refine_ls_number_reflns         9055
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.0493
_refine_ls_R_factor_gt           0.0355
_refine_ls_shift/su_max          0.018
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0414P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0795
_refine_ls_wR_factor_ref         0.0857
_reflns_number_gt                7295
_reflns_number_total             9055
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900224e_si_002.cif
_cod_data_source_block           amt2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      C2
_cod_database_code               4069488