Chiral Cyclohexyl-Fused Spirobiindanes: Practical Synthesis, Ligand Development, and Asymmetric Catalysis.
Zheng, Zhiyao; Cao, Yuxi; Chong, Qinglei; Han, Zhaobin; Ding, Jiaming; Luo, Chenguang; Wang, Zheng; Zhu, Dongsheng; Zhou, Qi-Lin; Ding, Kuiling; Journal of the American Chemical Society 140 (2018) 10374–10381; doi:10.1021/jacs.8b07125

data_4132889
_publ_section_title
;
 Chiral Cyclohexyl-Fused Spirobiindanes: Practical Synthesis, Ligand
 Development, and Asymmetric Catalysis.
;
_journal_issue                   32
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10374
_journal_page_last               10381
_journal_paper_doi               10.1021/jacs.8b07125
_journal_volume                  140
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_sum            'C36 H36 Au Cl N O2 P'
_chemical_formula_weight         778.04
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 92.1930(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8789(7)
_cell_length_b                   16.8273(11)
_cell_length_c                   18.6928(12)
_cell_measurement_reflns_used    9476
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      54.118
_cell_measurement_theta_min      4.593
_cell_volume                     3105.1(4)
_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-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0236
_diffrn_reflns_av_unetI/netI     0.0648
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            22738
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         1.629
_exptl_absorpt_coefficient_mu    4.909
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5786
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.664
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.515
_refine_diff_density_min         -0.540
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details
; 
 Flack x determined using 4660 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   -0.006(4)
_refine_ls_extinction_coef       0.00043(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     762
_refine_ls_number_reflns         12029
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0296
_refine_ls_R_factor_gt           0.0233
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=exp[2.3000(sin\q/\l)^2^)]/[\s^2^(Fo^2^)] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0527
_refine_ls_wR_factor_ref         0.0565
_reflns_Friedel_coverage         0.904
_reflns_Friedel_fraction_full    0.977
_reflns_Friedel_fraction_max     0.972
_reflns_number_gt                10808
_reflns_number_total             12029
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b07125_si_008.cif
_cod_data_source_block           mo_dm18036_0m
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4132889
_shelx_estimated_absorpt_t_min   0.526
_shelx_estimated_absorpt_t_max   0.757
_shelxl_version_number           2013-4
_shelx_res_checksum              465
_shelx_hkl_checksum              84422