Bis(tetrafluorophenyl)borane.
Winkelhaus, Daniel; Neumann, Beate; Stammler, Hans-Georg; Mitzel, Norbert W.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 8609–8614; doi:10.1039/c2dt30924f

data_7019637
_publ_section_title
;
 Bis(tetrafluorophenyl)borane.
;
_journal_issue                   28
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8609
_journal_page_last               8614
_journal_paper_doi               10.1039/c2dt30924f
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C14 H8 F8 Sn'
_chemical_formula_sum            'C14 H8 F8 Sn'
_chemical_formula_weight         446.89
_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                 94.291(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.4580(15)
_cell_length_b                   10.2400(10)
_cell_length_c                   9.3710(11)
_cell_measurement_reflns_used    127
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      21.293
_cell_measurement_theta_min      4.470
_cell_volume                     1479.2(3)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect, Bruker AXS, 2004'
_computing_data_reduction
'EVALCCD (Duisenberg,1998,Thesis.Utrecht University.'
_computing_molecular_graphics    'SHELXTL-PLUS (1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_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  0.0291
_diffrn_reflns_av_sigmaI/netI    0.0168
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            35391
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         2.39
_exptl_absorpt_coefficient_mu    1.809
_exptl_absorpt_correction_T_max  0.7607
_exptl_absorpt_correction_T_min  0.6130
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS - Bruker Nonius area detector scaling and absorption correction - V2.10'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    2.007
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.437
_refine_diff_density_min         -0.595
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         4315
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0297
_refine_ls_R_factor_gt           0.0199
_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^)+(0.0225P)^2^+1.1859P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0457
_refine_ls_wR_factor_ref         0.0507
_reflns_number_gt                3657
_reflns_number_total             4315
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt30924f.txt
_cod_data_source_block           compound1
_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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7019637