Efficient crystallization-induced emission in fluorenyl-tethered carboranes
Wang, Zhaojin; Wang, Tianyu; Zhang, Chi; Humphrey, Mark G.; Phys. Chem. Chem. Phys.  (2017) –; doi:10.1039/C7CP02118F

data_7228165
_publ_section_title
;
 Efficient crystallization-induced emission in fluorenyl-tethered
 carboranes
;
_journal_name_full               'Phys. Chem. Chem. Phys.'
_journal_paper_doi               10.1039/C7CP02118F
_journal_year                    2017
_chemical_formula_sum            'C23 H28 B10'
_chemical_formula_weight         412.55
_chemical_name_systematic
; 
 ? 
;
_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
_audit_update_record
;
2017-01-16 deposited with the CCDC.
2017-05-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.007(2)
_cell_angle_beta                 102.099(2)
_cell_angle_gamma                110.257(2)
_cell_formula_units_Z            2
_cell_length_a                   10.2378(4)
_cell_length_b                   10.7582(5)
_cell_length_c                   11.6502(6)
_cell_measurement_reflns_used    4314
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.680
_cell_measurement_theta_min      0.01
_cell_volume                     1173.35(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0512
_diffrn_reflns_av_sigmaI/netI    0.0498
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            19120
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.46
_exptl_absorpt_coefficient_mu    0.059
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.168
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             432
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_refine_diff_density_max         0.327
_refine_diff_density_min         -0.296
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.939
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         4314
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.939
_refine_ls_R_factor_all          0.0931
_refine_ls_R_factor_gt           0.0668
_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^)+(0.0199P)^2^+3.1168P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1359
_refine_ls_wR_factor_ref         0.1491
_reflns_number_gt                3257
_reflns_number_total             4314
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7cp02118f2.cif
_cod_data_source_block           s
_cod_original_cell_volume        1173.35(9)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7228165