Synthesis and characterisation of the complete series of B-N analogues of triptycene.
Seven, Omer; Popp, Sebastian; Bolte, Michael; Lerner, Hans-Wolfram; Wagner, Matthias; Dalton transactions (Cambridge, England : 2003) 43 (2014) 8241–8253; doi:10.1039/c4dt00442f

data_7030928
_publ_section_title
;
 Synthesis and characterisation of the complete series of B-N analogues of
 triptycene.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8241
_journal_page_last               8253
_journal_paper_doi               10.1039/c4dt00442f
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C30 H50 B4 N8 Si4, 2(C H2 Cl2)'
_chemical_formula_sum            'C32 H54 B4 Cl4 N8 Si4'
_chemical_formula_weight         848.23
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                63.855(17)
_cell_angle_beta                 70.231(17)
_cell_angle_gamma                80.803(17)
_cell_formula_units_Z            1
_cell_length_a                   10.610(2)
_cell_length_b                   11.003(3)
_cell_length_c                   12.115(3)
_cell_measurement_reflns_used    3900
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.4
_cell_measurement_theta_min      3.4
_cell_volume                     1194.7(5)
_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, 2008)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'STOE IPDS II two-circle-diffractometer'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1236
_diffrn_reflns_av_unetI/netI     0.2173
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10352
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.025
_diffrn_reflns_theta_min         3.382
_diffrn_source                   'Genix 3D I\mS microfocus X-ray source'
_exptl_absorpt_coefficient_mu    0.380
_exptl_absorpt_correction_T_max  0.967
_exptl_absorpt_correction_T_min  0.925
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'X-Area (Stoe & Cie, 2001)'
_exptl_crystal_colour            colourless
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_exptl_crystal_description       block
_exptl_crystal_F_000             446
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.681
_refine_diff_density_min         -0.406
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.856
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         4202
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.856
_refine_ls_R_factor_all          0.1890
_refine_ls_R_factor_gt           0.0774
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0561P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1452
_refine_ls_wR_factor_ref         0.1809
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1714
_reflns_number_total             4202
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4dt00442f2.cif
_cod_data_source_block           wa1778
_cod_database_code               7030928
_shelx_estimated_absorpt_t_min   0.925
_shelx_estimated_absorpt_t_max   0.967
_shelxl_version_number           2013-3
_shelx_res_checksum              61236