Chiral 1,2-Cyclohexane-Bridged Bis-NHC Palladium Catalysts for Asymmetric Suzuki‒Miyaura Coupling: Synthesis, Characterization, and Steric Effects on Enantiocontrol
Li, Yinle; Tang, Junkai; Gu, Jun; Wang, Quanrui; Sun, Peipei; Zhang, Dao; Organometallics 33 (2014) 876–; doi:10.1021/om400825e

data_4082395
_publ_section_title
;
 Chiral 1,2-Cyclohexane-Bridged Bis-NHC Palladium Catalysts for Asymmetric
 Suzuki--Miyaura Coupling: Synthesis, Characterization, and Steric Effects
 on Enantiocontrol
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              876
_journal_paper_doi               10.1021/om400825e
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C53 H73 Br2 Cl3 N4 O4 Pd'
_chemical_formula_weight         1202.72
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           1
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_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                91.789(5)
_cell_angle_beta                 104.749(4)
_cell_angle_gamma                96.057(4)
_cell_formula_units_Z            1
_cell_length_a                   9.141(3)
_cell_length_b                   10.484(4)
_cell_length_c                   15.961(6)
_cell_measurement_reflns_used    926
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.162
_cell_measurement_theta_min      2.954
_cell_volume                     1468.3(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'CCD area detector'
_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
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_diffrn_reflns_limit_k_min       -12
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_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6090
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_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.32
_exptl_absorpt_coefficient_mu    1.857
_exptl_absorpt_correction_T_max  0.7943
_exptl_absorpt_correction_T_min  0.7311
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.360
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             618
_exptl_crystal_size_max          0.18
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_refine_diff_density_max         1.188
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
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_refine_ls_number_reflns         6090
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_refine_ls_R_factor_all          0.0591
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_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1305P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1503
_refine_ls_wR_factor_ref         0.1569
_reflns_number_gt                5618
_reflns_number_total             6090
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400825e_si_002.cif
_cod_data_source_block           2a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/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_cell_volume        1468.2(9)
_cod_original_sg_symbol_H-M      P1
_cod_database_code               4082395