Cationic Boranes for the Complexation of Fluoride Ions in Water below the 4 ppm Maximum Contaminant Level
Youngmin Kim; François P. Gabbaï; Journal of the American Chemical Society 131 (2009) 3363–3369; doi:10.1021/ja8091467

data_4104283
_publ_section_title
;
 Cationic Boranes for the Complexation of Fluoride Ions in Water below the
 4 ppm Maximum Contaminant Level
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3363
_journal_page_last               3369
_journal_paper_doi               10.1021/ja8091467
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C46 H51 B Br O P'
_chemical_formula_weight         741.56
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                78.84(3)
_cell_angle_beta                 85.45(3)
_cell_angle_gamma                86.33(3)
_cell_formula_units_Z            2
_cell_length_a                   8.1920(16)
_cell_length_b                   10.305(2)
_cell_length_c                   24.315(5)
_cell_measurement_temperature    110(2)
_cell_volume                     2005.0(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0290
_diffrn_reflns_av_sigmaI/netI    0.0656
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            11256
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    1.098
_exptl_absorpt_correction_T_max  0.9076
_exptl_absorpt_correction_T_min  0.6867
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             780
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.156
_refine_diff_density_min         -0.759
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         7989
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0830
_refine_ls_R_factor_gt           0.0578
_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^)+(0.0001P)^2^+6.6500P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1233
_refine_ls_wR_factor_ref         0.1354
_reflns_number_gt                5923
_reflns_number_total             7989
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8091467_si_001.cif
_cod_data_source_block           platon
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4104283