A New Fluorescein Derivative Bearing a Boronic Acid Group as a Fluorescent Chemosensor for Fluoride Ion
K. M. K. Swamy; Yoon Ju Lee; Han Na Lee; Jihyun Chun; Youngmee Kim; Sung-Jin Kim; Juyoung Yoon; Journal of Organic Chemistry 71 (2006) 8626–8628; doi:10.1021/jo061429x

data_4022043
_publ_section_title
;
 A New Fluorescein Derivative Bearing a Boronic Acid
 Group as a Fluorescent Chemosensor for Fluoride Ion
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8626
_journal_page_last               8628
_journal_paper_doi               10.1021/jo061429x
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C29 H20 B Cl2 N O8'
_chemical_formula_weight         592.17
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.56(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.701(3)
_cell_length_b                   14.224(3)
_cell_length_c                   15.263(3)
_cell_measurement_reflns_used    314
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12.48
_cell_measurement_theta_min      2.67
_cell_volume                     2756.2(9)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.1995
_diffrn_reflns_av_sigmaI/netI    0.2976
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13964
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    0.289
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.427
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.304
_refine_diff_density_min         -0.464
_refine_diff_density_rms         0.133
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.965
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         4834
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.966
_refine_ls_R_factor_all          0.2762
_refine_ls_R_factor_gt           0.1112
_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^)+(0.1897P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2902
_refine_ls_wR_factor_ref         0.3784
_reflns_number_gt                1677
_reflns_number_total             4834
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo061429xsi20060703_010901.cif
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4022043