Effect of the Dihedral Angle of Biaryl-Bridged Bisphosphite Ligands on Enantioselectivity and Regioselectivity of Asymmetric Hydroformylation
Cobley, Christopher J.; Froese, Robert D. J.; Klosin, Jerzy; Qin, Cheng; Whiteker, Gregory T.; Abboud, Khalil A.; Organometallics 26 (2007) 2986–; doi:10.1021/om061065z

data_4072817
_publ_section_title
;
 Effect of the Dihedral Angle of Biaryl-Bridged Bisphosphite Ligands on
 Enantioselectivity and Regioselectivity of Asymmetric Hydroformylation
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              2986
_journal_paper_doi               10.1021/om061065z
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C70 H73 N3 O6 P2 Si4'
_chemical_formula_weight         1226.61
_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                   9.6032(6)
_cell_length_b                   21.6943(13)
_cell_length_c                   32.986(2)
_cell_measurement_reflns_used    86
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      2
_cell_volume                     6872.1(7)
_computing_cell_refinement       'Bruker SMART & SAINT (Bruker 1998)'
_computing_data_collection       'Bruker SMART v5.624 (Bruker 1998)'
_computing_data_reduction        'Bruker SHELXTL v6.12 (Bruker 2000)'
_computing_molecular_graphics    'Bruker SHELXTL v6.12'
_computing_publication_material  'Bruker SHELXTL v6.12'
_computing_structure_refinement  'Bruker SHELXTL v6.12'
_computing_structure_solution    'Bruker SHELXTL v6.12'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'SMART CCD area detector'
_diffrn_measurement_method       '\w 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  0.0696
_diffrn_reflns_av_sigmaI/netI    0.1012
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            43574
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.23
_diffrn_standards_decay_%        '< 1'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.184
_exptl_absorpt_correction_T_max  0.9762
_exptl_absorpt_correction_T_min  0.9530
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'based on measured indexed crystal faces, Bruker SHELXTL  v6.12 (Bruker 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.186
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             2592
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.04(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.916
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     781
_refine_ls_number_reflns         15636
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.916
_refine_ls_R_factor_all          0.0878
_refine_ls_R_factor_gt           0.0441
_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^)+(0.0397P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0891
_refine_ls_wR_factor_ref         0.0985
_reflns_number_gt                9503
_reflns_number_total             15636
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om061065zsi20061120_040019.cif
_cod_data_source_block           (S,S)-3
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        6872.0(7)
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               4072817