Zirconocene-Based Methods for the Preparation of BN-Indenes: Application to the Synthesis of 1,5-Dibora-4a,8a-diaza-1,2,3,5,6,7-hexaaryl-4,8-dimethyl-s-indacenes
Morgan, Matthew M.; Patrick, Evan A.; Rautiainen, J. Mikko; Tuononen, Heikki M.; Piers, Warren E.; Spasyuk, Denis M.; Organometallics  (2017) –; doi:10.1021/acs.organomet.7b00051

data_4087166
_publ_section_title
;
 Zirconocene-Based Methods for the Preparation of BN-Indenes: Application
 to the Synthesis of
 1,5-Dibora-4a,8a-diaza-1,2,3,5,6,7-hexaaryl-4,8-dimethyl-s-indacenes
;
_journal_name_full               Organometallics
_journal_paper_doi               10.1021/acs.organomet.7b00051
_journal_year                    2017
_chemical_formula_moiety         ' 	C24 B F20 C29 H24 N Zr'
_chemical_formula_sum            'C53 H24 B F20 N Zr'
_chemical_formula_weight         1156.76
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      tetragonal
_space_group_IT_number           78
_space_group_name_Hall           'P 4cw'
_space_group_name_H-M_alt        'P 43'
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.57510(10)
_cell_length_b                   11.57510(10)
_cell_length_c                   34.2480(5)
_cell_measurement_reflns_used    9923
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      66.59
_cell_measurement_theta_min      3.82
_cell_volume                     4588.65(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'LinXTL v.  5.1.7'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0417
_diffrn_reflns_av_unetI/netI     0.0442
_diffrn_reflns_Laue_measured_fraction_full 0.979
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            20967
_diffrn_reflns_point_group_measured_fraction_full 0.934
_diffrn_reflns_point_group_measured_fraction_max 0.953
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         66.626
_diffrn_reflns_theta_min         3.819
_exptl_absorpt_coefficient_mu    3.073
_exptl_absorpt_correction_T_max  0.65
_exptl_absorpt_correction_T_min  0.6
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 1996)'
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.674
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2296
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.621
_refine_diff_density_min         -0.383
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details
;
 Flack x determined using 3443 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.018(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     685
_refine_ls_number_reflns         7737
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0343
_refine_ls_R_factor_gt           0.0338
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0224P)^2^+4.6891P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0810
_refine_ls_wR_factor_ref         0.0814
_reflns_Friedel_coverage         0.874
_reflns_Friedel_fraction_full    0.886
_reflns_Friedel_fraction_max     0.906
_reflns_number_gt                7629
_reflns_number_total             7737
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om7b00051_si_002.cif
_cod_data_source_block           MM1507_0m_a
_cod_original_cell_volume        4588.65(10)
_cod_database_code               4087166
_shelx_estimated_absorpt_t_min   0.491
_shelx_estimated_absorpt_t_max   0.656
_shelxl_version_number           2013-4
_shelx_res_checksum              78543
_shelx_hkl_checksum              62254