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_7234096
_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            'C43 H30 Eu N3 O14'
_chemical_formula_weight         964.66
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'C 1 2/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                 103.67(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.117(5)
_cell_length_b                   18.276(4)
_cell_length_c                   7.8689(16)
_cell_measurement_reflns_used    6020
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.5
_cell_measurement_theta_min      2.9
_cell_volume                     3649.5(14)
_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 0.981
_diffrn_measured_fraction_theta_max 0.843
_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  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0450
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            6142
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         3.16
_exptl_absorpt_coefficient_mu    1.800
_exptl_absorpt_correction_T_max  0.914
_exptl_absorpt_correction_T_min  0.898
_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    1.756
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1936
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.442
_refine_diff_density_min         -0.691
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     351
_refine_ls_number_reflns         3533
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0457
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0267P)^2^+4.0279P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0704
_refine_ls_wR_factor_ref         0.0760
_reflns_number_gt                3013
_reflns_number_total             3533
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2015-3-1799.cif
_cod_data_source_block           dd
_cod_original_cell_volume        3649.5(13)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7234096