Reduction of Sterically Hindered β-Diketiminato Europium(iii) Complexes by the β-Diketiminato Anion: A Convenient Route for the Synthesis of β-Diketiminato Europium(ii) Complexes.
Shen, Xiaodong; Zhang, Yong; Xue, Mingqiang; Shen, Qi; Dalton transactions (Cambridge, England : 2003) 41 (2012) 3668–3674; doi:10.1039/c2dt12176j

data_7018587
_publ_section_title
;
 Reduction of Sterically Hindered \b-Diketiminato Europium(iii) Complexes
 by the \b-Diketiminato Anion: A Convenient Route for the Synthesis of
 \b-Diketiminato Europium(ii) Complexes.
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3668
_journal_page_last               3674
_journal_paper_doi               10.1039/c2dt12176j
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C46 H58 Eu N4'
_chemical_formula_sum            'C46 H58 Eu N4'
_chemical_formula_weight         818.92
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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                101.515(2)
_cell_angle_beta                 96.956(2)
_cell_angle_gamma                115.923(2)
_cell_formula_units_Z            2
_cell_length_a                   10.9466(15)
_cell_length_b                   11.5259(16)
_cell_length_c                   19.195(2)
_cell_measurement_reflns_used    8094
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     2073.8(5)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_detector_area_resol_mean 14.63
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0576
_diffrn_reflns_av_sigmaI/netI    0.0833
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            17904
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    1.547
_exptl_absorpt_correction_T_max  0.737
_exptl_absorpt_correction_T_min  0.484
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             850
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.789
_refine_diff_density_min         -0.830
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     419
_refine_ls_number_reflns         7668
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0900
_refine_ls_R_factor_gt           0.0726
_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^)+(0.0447P)^2^+4.4166P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1358
_refine_ls_wR_factor_ref         0.1458
_reflns_number_gt                6390
_reflns_number_total             7668
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12176j.txt
_cod_data_source_block           complex5
_cod_database_code               7018587