Carbazole-containing difluoroboron β-diketonate dyes: two-photon excited fluorescence in solution and grinding-induced blue-shifted emission in the solid state
Chen, Peng-Zhong; Wang, Jian-Xin; Niu, Li-Ya; Chen, Yu-Zhe; Yang, Qing-Zheng; Journal of Materials Chemistry C 5 (2017) 12538–; doi:10.1039/C7TC04751G

data_7236983
_publ_section_title
;
 Carbazole-containing difluoroboron \b-diketonate dyes: two-photon excited
 fluorescence in solution and grinding-induced blue-shifted emission in
 the solid state
;
_journal_issue                   47
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              12538
_journal_paper_doi               10.1039/C7TC04751G
_journal_volume                  5
_journal_year                    2017
_chemical_formula_moiety         'C18 H16 B F2 N O2'
_chemical_formula_sum            'C18 H16 B F2 N O2'
_chemical_formula_weight         327.13
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2017-04-12
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5335)
;
_audit_update_record
;
2017-09-15 deposited with the CCDC.
2017-11-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.76(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   21.231(4)
_cell_length_b                   9.2009(18)
_cell_length_c                   16.416(3)
_cell_measurement_reflns_used    4430
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.4778
_cell_measurement_theta_min      1.9934
_cell_volume                     3086.2(11)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      153.15
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0545
_diffrn_reflns_av_unetI/netI     0.0487
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            12172
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.458
_diffrn_reflns_theta_min         2.578
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8016
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.408
_exptl_crystal_description       rod
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.255
_refine_diff_density_min         -0.276
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.261
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3513
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.261
_refine_ls_R_factor_all          0.1001
_refine_ls_R_factor_gt           0.0839
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0290P)^2^+8.3736P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1489
_refine_ls_wR_factor_ref         0.1722
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3095
_reflns_number_total             3513
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7tc04751g2.cif
_cod_data_source_block           bww17128
_cod_database_code               7236983
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.986
_shelx_estimated_absorpt_t_min   0.971
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C17(H17A,H17B)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C9(H9), C10(H10), C12(H12), C14(H14)
2.c Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C18(H18A,H18B,H18C)
;
_olex2_submission_special_instructions 'No special instructions were received'