The bonding situation in triethylchalcogenostiboranes - polarized single bonds vs. double bonds.
Heimann, Stefan; Bläser, Dieter; Wölper, Christoph; Haack, Rebekka; Jansen, Georg; Schulz, Stephan; Dalton transactions (Cambridge, England : 2003) 43 (2014) 14772–14777; doi:10.1039/c4dt01940g

data_7032015
_publ_section_title
;
 The bonding situation in triethylchalcogenostiboranes - polarized single
 bonds vs. double bonds.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14772
_journal_page_last               14777
_journal_paper_doi               10.1039/c4dt01940g
_journal_volume                  43
_journal_year                    2014
_chemical_formula_sum            'C6 H15 Br2 Sb'
_chemical_formula_weight         368.75
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 96.575(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.5607(6)
_cell_length_b                   10.8911(6)
_cell_length_c                   8.6408(4)
_cell_measurement_reflns_used    9900
_cell_measurement_temperature    100(1)
_cell_measurement_theta_max      30.5
_cell_measurement_theta_min      2.55
_cell_volume                     1080.80(10)
_computing_cell_refinement       'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009'
_computing_data_collection       'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009'
_computing_data_reduction        'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009'
_computing_molecular_graphics    'BRUKER AXS SHELXTL (c) 2008 / Vers. 2008/4'
_computing_publication_material  'BRUKER AXS SHELXTL (c) 2008 / Vers. 2008/4'
_computing_structure_refinement  'BRUKER AXS SHELXTL (c) 2008 / Vers. 2008/4'
_computing_structure_solution    'BRUKER D8 KAPPA APEX 2 Vers. 3.0-2009'
_diffrn_ambient_temperature      100(1)
_diffrn_detector_area_resol_mean 512
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
; 
 Bruker D8 KAPPA series II with APEX II area detector system
;
_diffrn_measurement_method
;
 Data collection strategy APEX 2/COSMO
;
_diffrn_radiation_monochromator  'Triumph Goebel mirror'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0488
_diffrn_reflns_av_sigmaI/netI    0.0208
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            65251
_diffrn_reflns_theta_full        30.62
_diffrn_reflns_theta_max         30.62
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    9.881
_exptl_absorpt_correction_T_max  0.4330
_exptl_absorpt_correction_T_min  0.1277
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 TWINABS - Bruker AXS scaling for twinned crystals - Version 2008/4
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.746
_refine_diff_density_min         -0.499
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     85
_refine_ls_number_reflns         3328
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0355
_refine_ls_R_factor_gt           0.0246
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0174P)^2^+1.4831P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0451
_refine_ls_wR_factor_ref         0.0473
_reflns_number_gt                2856
_reflns_number_total             3328
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt01940g2.cif
_cod_data_source_block           she_276_twin4
_cod_depositor_comments
'Adding full bibliography for 7032014--7032016.cif.'
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7032015