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_4072822
_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            'C96 H142 O8 P2 Rh'
_chemical_formula_weight         1588.94
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 100.816(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.2659(9)
_cell_length_b                   28.620(2)
_cell_length_c                   26.4585(19)
_cell_measurement_reflns_used    407
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     9123.3(11)
_computing_cell_refinement       'Bruker SMART & SAINT (Bruker 1998)'
_computing_data_collection       'Bruker SMART (Bruker 1998)'
_computing_data_reduction        'Bruker SHELXTL (Bruker 2000)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_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  0.0383
_diffrn_reflns_av_sigmaI/netI    0.0632
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            59395
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.06
_diffrn_standards_decay_%        '< 1'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.275
_exptl_absorpt_correction_T_max  0.9551
_exptl_absorpt_correction_T_min  0.9147
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'based on measured indexed crystal faces, SHELXTL (Bruker 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.157
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             3428
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.595
_refine_diff_density_min         -0.403
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.045(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1645
_refine_ls_number_reflns         39469
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      0.988
_refine_ls_R_factor_all          0.0708
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0760P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1271
_refine_ls_wR_factor_ref         0.1336
_reflns_number_gt                29639
_reflns_number_total             39469
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om061065zsi20061120_040019.cif
_cod_data_source_block           '[(R)-7]Rh(acac)'
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

2026-02-27
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C192 H284 O16 P4 Rh2'
_cod_original_formula_weight         3177.89
_cod_original_formula_units_Z            2
_cod_original_cell_volume        9123.3(12)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4072822