Morphology-controllable fabrication of organic microcrystals by solid-phase reactions: revealing morphology-sensitive highly efficient phosphorescence and enhanced near-infrared absorption
Guo-Ping Yong; Chen Shen; Cong Zhang; Yu-Mei Zhao; Journal of Materials Chemistry C 3 (2015) 9048–9052; doi:10.1039/C5TC01770J

data_7234418
_publ_section_title
;
 Morphology-controllable fabrication of organic microcrystals by
 solid-phase reactions: revealing morphology-sensitive highly efficient
 phosphorescence and enhanced near-infrared absorption
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              9048
_journal_page_last               9052
_journal_paper_doi               10.1039/C5TC01770J
_journal_volume                  3
_journal_year                    2015
_chemical_formula_sum            'C14 H9 B F2 N4 O'
_chemical_formula_weight         298.06
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 105.03(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.213(2)
_cell_length_b                   9.1955(18)
_cell_length_c                   13.667(3)
_cell_measurement_temperature    293(2)
_cell_volume                     1239.6(5)
_computing_cell_refinement       'CrysAlisPro (Agilent Technologies)'
_computing_data_collection       'CrysAlisPro (Agilent Technologies)'
_computing_data_reduction        'CrysAlisPro (Agilent Technologies)'
_computing_molecular_graphics    'Ortep-3 (L. J. Farrugia, 2001)'
_computing_publication_material  SHELXL-2014
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'Gemini S Ultra, Agilent Technologies'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0411
_diffrn_reflns_av_unetI/netI     0.0428
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.959
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4288
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.959
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.644
_diffrn_reflns_theta_min         2.234
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.974
_exptl_absorpt_correction_T_min  0.965
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    1.597
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.210
_refine_diff_density_max         0.349
_refine_diff_density_min         -0.413
_refine_diff_density_rms         0.067
_refine_ls_extinction_coef       0.013(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2252
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0965
_refine_ls_R_factor_gt           0.0749
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1506P)^2^+0.1851P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2081
_refine_ls_wR_factor_ref         0.2461
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1546
_reflns_number_total             2252
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            J-Mater-Chem-C-2015-3-9048.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7234418
_shelx_estimated_absorpt_t_min   0.972
_shelx_estimated_absorpt_t_max   0.981
_shelx_res_checksum              31774
_shelx_hkl_checksum              7473