A new strategy for achieving white-light emission of lanthanide complexes: effective control of energy transfer from blue-emissive fluorophore to Eu(iii) centres
Junqing Zhang; Hongfeng Li; Peng Chen; Wenbin Sun; Ting Gao; Pengfei Yan; Journal of Materials Chemistry C 3 (2015) 1799–1806; doi:10.1039/C4TC02512A

data_7234097
_publ_section_title
;
 A new strategy for achieving white-light emission of lanthanide
 complexes: effective control of energy transfer from blue-emissive
 fluorophore to Eu(iii) centres
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              1799
_journal_page_last               1806
_journal_paper_doi               10.1039/C4TC02512A
_journal_volume                  3
_journal_year                    2015
_chemical_formula_sum            'C45 H34 Eu N3 O14'
_chemical_formula_weight         992.71
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 94.391(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0747(2)
_cell_length_b                   18.6500(7)
_cell_length_c                   26.4469(10)
_cell_measurement_reflns_used    4228
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.6629
_cell_measurement_theta_min      2.9079
_cell_volume                     3971.0(2)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2011)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2011)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2011)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.1954
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.863
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0477
_diffrn_reflns_av_sigmaI/netI    0.0956
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            17552
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         28.73
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    1.657
_exptl_absorpt_correction_T_max  0.920
_exptl_absorpt_correction_T_min  0.905
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.660
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2000
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         4.038
_refine_diff_density_min         -2.373
_refine_diff_density_rms         0.246
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     557
_refine_ls_number_reflns         8952
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.1274
_refine_ls_R_factor_gt           0.0925
_refine_ls_shift/su_max          0.067
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1469P)^2^+74.5168P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2521
_refine_ls_wR_factor_ref         0.2979
_reflns_number_gt                6803
_reflns_number_total             8952
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2015-3-1799.cif
_cod_data_source_block           c
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7234097