Efficient, stable, tunable, and easy to synthesize, handle and recycle luminescent materials: [H2NMe2]3[Ln(III)(2,6-dipicolinolate)3] (Ln = Eu, Tb, or its solid solutions).
Mooibroek, Tiddo Jonathan; Gamez, Patrick; Pevec, Andrej; Kasunic, Marta; Kozlevcar, Bojan; Fu, Wen-Tian; Reedijk, Jan; Dalton transactions (Cambridge, England : 2003) 39 (2010) 6483–6487; doi:10.1039/c000076k

data_7025394
_publ_section_title
;
 Efficient, stable, tunable, and easy to synthesize, handle and recycle
 luminescent materials: [H2NMe2]3[Ln(III)(2,6-dipicolinolate)3] (Ln = Eu,
 Tb, or its solid solutions).
;
_journal_issue                   28
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6483
_journal_page_last               6487
_journal_paper_doi               10.1039/c000076k
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C27 H33 Eu N6 O12'
_chemical_formula_weight         785.55
_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
_cell_angle_alpha                78.6380(7)
_cell_angle_beta                 69.8886(7)
_cell_angle_gamma                72.6756(8)
_cell_formula_units_Z            2
_cell_length_a                   12.0026(2)
_cell_length_b                   12.0692(2)
_cell_length_c                   12.4073(2)
_cell_measurement_reflns_used    6135
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.55
_cell_volume                     1602.19(5)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Reference Manual (Nonius, 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-92 (Giacovazzo, 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type
;
Nonius KappaCCD area-detector diffractometer
;
_diffrn_measurement_method       '\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  0.0217
_diffrn_reflns_av_sigmaI/netI    0.0417
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11707
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         3.44
_exptl_absorpt_coefficient_mu    2.027
_exptl_absorpt_correction_T_max  0.8880
_exptl_absorpt_correction_T_min  0.7508
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.628
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.956
_refine_diff_density_min         -0.674
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     439
_refine_ls_number_reflns         6922
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0356
_refine_ls_R_factor_gt           0.0286
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.0001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0122P)^2^+1.4003P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0616
_refine_ls_wR_factor_ref         0.0649
_reflns_number_gt                6214
_reflns_number_total             6922
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c000076k.txt
_cod_data_source_block           k982
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7025394