Synthesis and Fluorescence Properties of Pyrimidine Mono- and Bisboron Complexes
Yasuhiro Kubota; Yousuke Ozaki; Kazumasa Funabiki; Masaki Matsui; Journal of Organic Chemistry 78 (2013) 7058–7067; doi:10.1021/jo400879g

data_4028431
_publ_section_title
;
 Synthesis and Fluorescence Properties of Pyrimidine Mono- and Bisboron
 Complexes
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7058
_journal_page_last               7067
_journal_paper_doi               10.1021/jo400879g
_journal_volume                  78
_journal_year                    2013
_chemical_formula_moiety         'C14 H13 B Cl F2 N3 O'
_chemical_formula_sum            'C14 H13 B Cl F2 N3 O'
_chemical_formula_weight         323.53
_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                88.70(3)
_cell_angle_beta                 78.29(2)
_cell_angle_gamma                89.33(2)
_cell_formula_units_Z            2
_cell_length_a                   6.6641(9)
_cell_length_b                   9.977(3)
_cell_length_c                   11.0105(19)
_cell_measurement_temperature    293(2)
_cell_volume                     716.6(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0199
_diffrn_reflns_av_sigmaI/netI    0.0259
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7289
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    0.292
_exptl_absorpt_correction_T_max  0.9438
_exptl_absorpt_correction_T_min  0.9438
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.499
_exptl_crystal_description       block
_exptl_crystal_F_000             332
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         3211
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0560
_refine_ls_R_factor_gt           0.0406
_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^)+(0.0533P)^2^+0.0726P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0950
_refine_ls_wR_factor_ref         0.1039
_reflns_number_gt                2475
_reflns_number_total             3211
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo400879g_si_003.cif
_cod_data_source_block           crystalclear
_cod_database_code               4028431