Lewis acidic stiborafluorenes for the fluorescence turn-on sensing of fluoride in drinking water at ppm concentrations
Hirai, Masato; Gabbaï, François P.; Chemical Science 5 (2014) 1886–; doi:10.1039/c4sc00343h

data_1514316
_publ_section_title
;
 Lewis acidic stiborafluorenes for the fluorescence turn-on sensing of
 fluoride in drinking water at ppm concentrations
;
_journal_issue                   5
_journal_name_full               'Chemical Science'
_journal_page_first              1886
_journal_paper_doi               10.1039/c4sc00343h
_journal_volume                  5
_journal_year                    2014
_chemical_formula_moiety         '2(C32 H19 F O4 Sb), 2(C6 H18 N3 S)'
_chemical_formula_sum            'C38 H37 F N3 O4 S Sb'
_chemical_formula_weight         772.52
_chemical_melting_point          ?
_chemical_name_common            none
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.7131(16)
_cell_length_b                   16.7493(18)
_cell_length_c                   27.433(3)
_cell_measurement_reflns_used    9840
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      28.06
_cell_measurement_theta_min      2.37
_cell_volume                     6760.4(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0494
_diffrn_reflns_av_sigmaI/netI    0.0399
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            84322
_diffrn_reflns_theta_full        28.33
_diffrn_reflns_theta_max         28.33
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.929
_exptl_absorpt_correction_T_max  0.9294
_exptl_absorpt_correction_T_min  0.7809
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.518
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3152
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         3.399
_refine_diff_density_min         -0.909
_refine_diff_density_rms         0.103
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.788(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     886
_refine_ls_number_reflns         16829
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0490
_refine_ls_R_factor_gt           0.0391
_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^)+(0.0520P)^2^+6.1035P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0908
_refine_ls_wR_factor_ref         0.0957
_reflns_number_gt                14859
_reflns_number_total             16829
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc00343h2.cif
_cod_data_source_block           i
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'none' was changed to '?' - the value
is undefined or not given.

'_symmetry_cell_setting' value
'Orthorhombic' changed to 'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1514316