Pushing the limits of steric demand around a biaryl axis: Synthesis of tetra-ortho-substituted biaryl naphthalenes
Adam Glass; Sam Klonoski; Lev Zakharov; Shih-Yuan Liu; Chem.Commun. 47 (2011) 286–; doi:10.1039/c0cc02170a

data_7105768
_publ_section_title
;
 Pushing the limits of steric demand around a biaryl axis: Synthesis of
 tetra-ortho-substituted biaryl naphthalenes
;
_journal_name_full               Chem.Commun.
_journal_page_first              286
_journal_paper_doi               10.1039/c0cc02170a
_journal_volume                  47
_journal_year                    2011
_chemical_formula_sum            'C25 H28 O2 Si'
_chemical_formula_weight         388.56
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXLTL
_cell_angle_alpha                77.056(2)
_cell_angle_beta                 81.2040(10)
_cell_angle_gamma                74.336(2)
_cell_formula_units_Z            2
_cell_length_a                   7.3361(7)
_cell_length_b                   9.8727(9)
_cell_length_c                   15.9826(15)
_cell_measurement_reflns_used    7171
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.15
_cell_measurement_theta_min      2.32
_cell_volume                     1080.98(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker Apex 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
_diffrn_reflns_av_R_equivalents  0.0151
_diffrn_reflns_av_sigmaI/netI    0.0168
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12128
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.18
_exptl_absorpt_coefficient_mu    0.126
_exptl_absorpt_correction_T_max  0.9851
_exptl_absorpt_correction_T_min  0.9526
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.350
_refine_diff_density_min         -0.174
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     365
_refine_ls_number_reflns         4706
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0590P)^2^+0.2796P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1016
_refine_ls_wR_factor_ref         0.1052
_reflns_number_gt                4274
_reflns_number_total             4706
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CC02170A.TXT
_cod_data_source_block           liu48
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7105768