Colorimetric Fluoride Ion Sensing by Polyborylated Ferrocenes: Structural Influences on Thermodynamics and Kinetics
Joanna K. Day; Christopher Bresner; Natalie D. Coombs; Ian A. Fallis; Li-Ling Ooi; Simon Aldridge; Inorganic Chemistry 47 (2008) 793–804; doi:10.1021/ic701494p

data_4304101
_publ_section_title
;
Colorimetric Fluoride Ion Sensing by Polyborylated Ferrocenes: Structural
Influences on Thermodynamics and Kinetics
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              793
_journal_page_last               804
_journal_paper_doi               10.1021/ic701494p
_journal_volume                  47
_journal_year                    2008
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C30 H40 B2 Fe O4 +, B F4 -'
_chemical_formula_sum            'C30 H40 B3 F4 Fe O4'
_chemical_formula_weight         628.90
_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            4
_cell_length_a                   11.243(3)
_cell_length_b                   13.871(4)
_cell_length_c                   19.773(5)
_cell_measurement_reflns_used    556
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      29.20
_cell_measurement_theta_min      3.95
_cell_volume                     3083.6(14)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX2 CCD diffractometer'
_diffrn_measurement_method       'thin-slice \w scans'
_diffrn_radiation_monochromator  'silicon 111'
_diffrn_radiation_source         'Daresbury SRS station 16.2smx'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.7848
_diffrn_reflns_av_R_equivalents  0.1063
_diffrn_reflns_av_sigmaI/netI    0.1430
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            15960
_diffrn_reflns_theta_full        29.35
_diffrn_reflns_theta_max         29.35
_diffrn_reflns_theta_min         3.96
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.547
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.937
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.355
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1316
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.453
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.078
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.11(3)
_refine_ls_extinction_coef       0.0024(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.976
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     383
_refine_ls_number_reflns         6208
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.976
_refine_ls_R_factor_all          0.1086
_refine_ls_R_factor_gt           0.0688
_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^)+(0.0473P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1351
_refine_ls_wR_factor_ref         0.1562
_reflns_number_gt                4115
_reflns_number_total             6208
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic701494p-file009.cif
_cod_data_source_block           ssf1031
_cod_original_cell_volume        3083.9(15)
_cod_database_code               4304101