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_4028430
_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         'C13 H7 B Cl F5 N2 O'
_chemical_formula_sum            'C13 H7 B Cl F5 N2 O'
_chemical_formula_weight         348.47
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 109.344(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.092(3)
_cell_length_b                   18.482(5)
_cell_length_c                   10.059(4)
_cell_measurement_temperature    293(2)
_cell_volume                     1419.5(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.0321
_diffrn_reflns_av_sigmaI/netI    0.0241
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14459
_diffrn_reflns_theta_full        27.63
_diffrn_reflns_theta_max         27.63
_diffrn_reflns_theta_min         2.41
_exptl_absorpt_coefficient_mu    0.329
_exptl_absorpt_correction_T_max  0.9371
_exptl_absorpt_correction_T_min  0.9371
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.631
_exptl_crystal_description       needle
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.564
_refine_diff_density_min         -0.366
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3227
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0779
_refine_ls_R_factor_gt           0.0609
_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^)+(0.0788P)^2^+0.7151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1538
_refine_ls_wR_factor_ref         0.1670
_reflns_number_gt                2516
_reflns_number_total             3227
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo400879g_si_002.cif
_cod_data_source_block           crystalclear
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4028430