Lewis-base adducts of 9,10-dihydro-9,10-diboraanthracene: ditopic hydroboration reagents and a B-N analogue of triptycene.
Lorbach, Andreas; Bolte, Michael; Lerner, Hans-Wolfram; Wagner, Matthias; Chemical communications (Cambridge, England) 46 (2010) 3592–3594; doi:10.1039/c001803a

data_7105586
_publ_section_title
;
 Lewis-base adducts of 9,10-dihydro-9,10-diboraanthracene: ditopic
 hydroboration reagents and a B-N analogue of triptycene.
;
_journal_issue                   20
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3592
_journal_page_last               3594
_journal_paper_doi               10.1039/c001803a
_journal_volume                  46
_journal_year                    2010
_chemical_formula_moiety         'C16 H32 Li O4, C18 H21 B2 N2 Si, C4 H8 O'
_chemical_formula_sum            'C38 H61 B2 Li N2 O5 Si'
_chemical_formula_weight         682.54
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 110.322(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.0824(12)
_cell_length_b                   17.4274(15)
_cell_length_c                   12.4327(16)
_cell_measurement_reflns_used    9688
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.9
_cell_measurement_theta_min      3.5
_cell_volume                     2048.6(4)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2001)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'X-Area (Stoe & Cie, 2001)'
_computing_molecular_graphics    'XP in SHELXTL-Plus (Sheldrick, 1991)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008) '
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008) '
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'STOE IPDS II two-circle-diffractometer'
_diffrn_measurement_method       \w
_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  0.0377
_diffrn_reflns_av_sigmaI/netI    0.0564
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12751
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.42
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9694
_exptl_absorpt_correction_T_min  0.9628
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'MULABS (Spek, 2003; Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.107
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             740
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.416
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.04(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.956
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     444
_refine_ls_number_reflns         7065
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.956
_refine_ls_R_factor_all          0.0856
_refine_ls_R_factor_gt           0.0666
_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^)+(0.1283P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1706
_refine_ls_wR_factor_ref         0.1822
_reflns_number_gt                5188
_reflns_number_total             7065
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c001803a.txt
_cod_data_source_block           wa983
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P21
_cod_database_code               7105586