Synthesis, characterization and reactivity of heteroleptic rare earth metal bis(phenolate) complexes
Qi, Ruipeng; Liu, Bao; Xu, Xiaoping; Yang, Zijian; Yao, Yingming; Zhang, Yong; Shen, Qi; Dalton Transactions  (2008) 5016–5024; doi:10.1039/b804914a

data_7004265
_publ_section_title
;
 Synthesis, characterization and reactivity of heteroleptic rare earth
 metal bis(phenolate) complexes
;
_journal_issue                   37
_journal_name_full               'Dalton Transactions'
_journal_page_first              5016
_journal_page_last               5024
_journal_paper_doi               10.1039/b804914a
_journal_year                    2008
_chemical_formula_moiety
'C54 H76 O6 Yb, C35 H56 O6 Yb, 2(C4 H8 O), 0.5(C6 H14)'
_chemical_formula_sum            'C100 H155 O14 Yb2'
_chemical_formula_weight         1927.32
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 90.006(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.2232(16)
_cell_length_b                   22.7689(17)
_cell_length_c                   19.3062(15)
_cell_measurement_reflns_used    33257
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      25.3
_cell_measurement_theta_min      3.0
_cell_volume                     9768.9(13)
_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      193(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0928
_diffrn_reflns_av_sigmaI/netI    0.0794
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            95001
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    1.961
_exptl_absorpt_correction_T_max  0.716
_exptl_absorpt_correction_T_min  0.452
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4028
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.701
_refine_diff_density_min         -1.127
_refine_diff_density_rms         0.123
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.163
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1064
_refine_ls_number_reflns         17827
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      1.164
_refine_ls_R_factor_all          0.0975
_refine_ls_R_factor_gt           0.0741
_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^)+(0.0280P)^2^+44.4941P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1401
_reflns_number_gt                14297
_reflns_number_total             17827
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b804914a.txt
_cod_data_source_block           complex7
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7004265