Discovery of polymorphism-dependent emission for crystalline boron-dipyrromethene dye.
Luo, Geng-Geng; Xia, Jiu-Xu; Fang, Kai; Zhao, Qing-Hua; Wu, Ji-Huai; Dai, Jing-Cao; Dalton transactions (Cambridge, England : 2003) 42 (2013) 16268–16271; doi:10.1039/c3dt52325j

data_7023995
_publ_section_title
;
 Discovery of polymorphism-dependent emission for crystalline
 boron-dipyrromethene dye.
;
_journal_issue                   46
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16268
_journal_page_last               16271
_journal_paper_doi               10.1039/c3dt52325j
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C21 H21 B F2 N2 O2'
_chemical_formula_weight         382.21
_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                   8.3318(13)
_cell_length_b                   12.0855(17)
_cell_length_c                   18.610(2)
_cell_measurement_temperature    173(2)
_cell_volume                     1873.9(4)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'SuperNova (Cu) X-ray source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0480
_diffrn_reflns_av_sigmaI/netI    0.0540
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            6851
_diffrn_reflns_theta_full        65.78
_diffrn_reflns_theta_max         65.78
_diffrn_reflns_theta_min         4.36
_exptl_absorpt_coefficient_mu    0.831
_exptl_absorpt_correction_T_max  0.9365
_exptl_absorpt_correction_T_min  0.8192
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 CrysAlisPro, Agilent Technologies
Version 1.171.35.21 
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.355
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.299
_refine_diff_density_min         -0.313
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3129
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0591
_refine_ls_R_factor_gt           0.0504
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1372
_refine_ls_wR_factor_ref         0.1479
_reflns_number_gt                2740
_reflns_number_total             3129
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt52325j.txt
_cod_data_source_block           939166
_cod_original_cell_volume        1874.0(5)
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7023995