Highly Luminescent and Thermally Stable Lanthanide Coordination Polymers Designed from 4-(Dipyridin-2-yl)aminobenzoate: Efficient Energy Transfer from Tb3+ to Eu3+ in a Mixed Lanthanide Coordination Compound
A. R. Ramya; Debajit Sharma; Srinivasan Natarajan; M. L. P. Reddy; Inorganic Chemistry 51 (2012) 8818–8826; doi:10.1021/ic300654e

data_4330031
_publ_section_title
;
 Highly Luminescent and Thermally Stable Lanthanide Coordination Polymers
 Designed from 4-(Dipyridin-2-yl)aminobenzoate: Efficient Energy Transfer
 from Tb3+ to Eu3+ in a Mixed Lanthanide Coordination Compound
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8818
_journal_page_last               8826
_journal_paper_doi               10.1021/ic300654e
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C51 H40 Eu N9 O8'
_chemical_formula_sum            'C51 H40 Eu N9 O8'
_chemical_formula_weight         1058.88
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.8620(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   30.2598(9)
_cell_length_b                   14.9444(4)
_cell_length_c                   10.2439(3)
_cell_measurement_reflns_used    5122
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      2.42
_cell_volume                     4516.2(2)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
'Ortep-3 for Windows (Farrugia, 1999) and CAMERON (Watkin et al., 1993)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker Smart CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0295
_diffrn_reflns_av_sigmaI/netI    0.0193
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -39
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            34042
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    1.457
_exptl_absorpt_correction_T_max  0.9576
_exptl_absorpt_correction_T_min  0.8446
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            block
_exptl_crystal_density_diffrn    1.557
_exptl_crystal_description       colorless
_exptl_crystal_F_000             2144
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.276
_refine_diff_density_min         -0.356
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     322
_refine_ls_number_reflns         5122
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0226
_refine_ls_R_factor_gt           0.0178
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0228P)^2^+3.4100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0448
_refine_ls_wR_factor_ref         0.0475
_reflns_number_gt                4371
_reflns_number_total             5122
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300654e_si_002.cif
_cod_data_source_block           CompoundI
_cod_database_code               4330031