A Novel Boron Heterocycle Comprised of an Inner Boronium/Borate Adduct
Seidel, Günter; Fürstner, Alois; Organometallics 33 (2014) 4336–; doi:10.1021/om500619x

data_4084186
_publ_section_title
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 A Novel Boron Heterocycle Comprised of an Inner Boronium/Borate Adduct
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4336
_journal_paper_doi               10.1021/om500619x
_journal_volume                  33
_journal_year                    2014
_chemical_absolute_configuration unk
_chemical_compound_source        toluene
_chemical_formula_moiety         'C20 H38 B2 S2'
_chemical_formula_sum            'C20 H38 B2 S2'
_chemical_formula_weight         364.24
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      96
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_code                SEI-GB-115-06
_audit_creation_date             2006-11-04
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6832(6)
_cell_length_b                   8.6832(6)
_cell_length_c                   27.1984(13)
_cell_measurement_reflns_used    25034
_cell_measurement_temperature    100
_cell_measurement_theta_max      33.14
_cell_measurement_theta_min      2.91
_cell_volume                     2050.7(2)
_computing_cell_refinement       'Denzo / Scalepack (Otwinowski 1997)'
_computing_data_collection       'Collect software (Nonius, 1998)'
_computing_data_reduction        'Denzo / Scalepack (Otwinowski 1997)'
_computing_molecular_graphics    'DIAMOND (Crystal Impact GbR, 2005)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD \w-scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         '0.3 mm focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0913
_diffrn_reflns_av_sigmaI/netI    0.0974
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            11866
_diffrn_reflns_theta_full        27.75
_diffrn_reflns_theta_max         33.13
_diffrn_reflns_theta_min         3.25
_diffrn_standards_decay_%        0.00
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.260
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  1
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Scalepack, Otwinowski (1997)'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       block
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.608
_refine_diff_density_min         -0.289
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details 'Flack, H. D. (1983). Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.61(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     110
_refine_ls_number_reflns         3843
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.1225
_refine_ls_R_factor_gt           0.0680
_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^)+(0.0679P)^2^+1.0576P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1475
_refine_ls_wR_factor_ref         0.1701
_reflns_number_gt                2516
_reflns_number_total             3843
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om500619x_si_001.cif
_cod_data_source_block           5657
_cod_depositor_comments
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The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26 (13
times).

'_geom_bond_publ_flag' value 'N' changed to 'n' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26 (19
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26 (21
time).

'_geom_angle_publ_flag' value 'N' changed to 'n' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26 (47
times).

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4084185--4084191.cif.

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4084186