Synthesis of 1,8-Diborylnaphthalenes by the Ring-Opening Reaction of a New Anionic Boron-Bridged Naphthalene Derivative
Hoefelmeyer, James D.; Gabbaï, François P.; Organometallics 21 (2002) 982–; doi:10.1021/om010946x

data_4076699
_publ_section_title
;
 Synthesis of 1,8-Diborylnaphthalenes by the Ring-Opening Reaction of a
 New Anionic Boron-Bridged Naphthalene Derivative
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              982
_journal_paper_doi               10.1021/om010946x
_journal_volume                  21
_journal_year                    2002
_chemical_formula_sum            'C30 H34 B2'
_chemical_formula_weight         416.19
_chemical_name_systematic
;1-(dimesitylboryl)-8-(dimethylboryl)naphthalene 
  ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 98.096(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.2988(13)
_cell_length_b                   19.918(3)
_cell_length_c                   14.876(2)
_cell_measurement_temperature    110(2)
_cell_volume                     2434.4(6)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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
_diffrn_reflns_av_R_equivalents  0.0818
_diffrn_reflns_av_sigmaI/netI    0.1076
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12623
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_T_max  0.9545
_exptl_absorpt_correction_T_min  0.5410
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    1.136
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.349
_refine_diff_density_min         -0.302
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4273
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.1576
_refine_ls_R_factor_gt           0.0780
_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^)+(0.1100P)^2^+1.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2034
_refine_ls_wR_factor_ref         0.2484
_reflns_number_gt                1890
_reflns_number_total             4273
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om010946x.cif
_cod_data_source_block           2
_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 
;
_cod_original_cell_volume        2434.5(7)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4076699