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_7018584
_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_absolute_configuration ad
_chemical_formula_moiety         'C58 H82 Eu N4, C7 H8'
_chemical_formula_sum            'C65 H90 Eu N4'
_chemical_formula_weight         1079.37
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.4327(8)
_cell_length_b                   19.2691(12)
_cell_length_c                   24.7480(16)
_cell_measurement_reflns_used    19681
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     5928.8(7)
_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 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0466
_diffrn_reflns_av_sigmaI/netI    0.0773
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            20443
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.14
_exptl_absorpt_coefficient_mu    1.099
_exptl_absorpt_correction_T_max  0.583
_exptl_absorpt_correction_T_min  0.379
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2284
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.829
_refine_diff_density_min         -0.737
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.009(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    cosntr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     608
_refine_ls_number_reflns         10494
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0468
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0286P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0888
_refine_ls_wR_factor_ref         0.0927
_reflns_number_gt                9901
_reflns_number_total             10494
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12176j.txt
_cod_data_source_block           complex2
_cod_database_code               7018584