BORAZANs: Tunable Fluorophores Based on 2-(Pyrazolyl)aniline Chelates of Diphenylboron
Brendan J. Liddle; Rosalice M. Silva; Tyler J. Morin; Felipe P. Macedo; Ruchi Shukla; Sergey V. Lindeman; James R. Gardinier; Journal of Organic Chemistry 72 (2007) 5637–5646; doi:10.1021/jo0705420

data_4024060
_publ_section_title
;
 BORAZANs: Tunable Fluorophores Based on 2-(Pyrazolyl)aniline
 Chelates of Diphenylboron
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5637
_journal_page_last               5646
_journal_paper_doi               10.1021/jo0705420
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C22 H17 B F3 N3'
_chemical_formula_weight         391.20
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.567(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.315(4)
_cell_length_b                   15.279(4)
_cell_length_c                   9.319(2)
_cell_measurement_reflns_used    3545
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      2.5
_cell_volume                     1894.0(9)
_computing_cell_refinement       'SAINT v7.23A (Bruker, 2005)'
_computing_data_collection       'APEX2 v2.0-2 (Bruker, 2005)'
_computing_data_reduction        'SADABS-2004/1 (Bruker, 2005)'
_computing_molecular_graphics    'XP v5.1 (Bruker, 1998)'
_computing_publication_material  'XCIF v6.12 (Bruker, 2001)'
_computing_structure_refinement  'XL/SHELXTL v6.10 (Bruker, 2001)'
_computing_structure_solution    'XS/SHELXTL v6.12 (Bruker, 2001)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX2 CCD detector'
_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  0.0575
_diffrn_reflns_av_sigmaI/netI    0.0479
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            30441
_diffrn_reflns_theta_full        30.55
_diffrn_reflns_theta_max         30.55
_diffrn_reflns_theta_min         1.53
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.9919
_exptl_absorpt_correction_T_min  0.9769
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.372
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.358
_refine_diff_density_min         -0.319
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         5783
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0983
_refine_ls_R_factor_gt           0.0540
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0703P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1270
_refine_ls_wR_factor_ref         0.1443
_reflns_number_gt                3516
_reflns_number_total             5783
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0705420si20070315_044550_4.cif
_cod_data_source_block           BORAZAN6
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4024060