Synthesis, Reactivity, and Characterization of Amine Bis(phenolate) Lanthanide Complexes and Their Application in the Polymerization ofε-Caprolactone
Yao, Yingming; Ma, Mengtao; Xu, Xiaoping; Zhang, Yong; Shen, Qi; Wong, Wing-Tak; Organometallics 24 (2005) 4014–; doi:10.1021/om050296n

data_4075928
_publ_section_title
;
 Synthesis, Reactivity, and Characterization of Amine Bis(phenolate)
 Lanthanide Complexes and Their Application in the Polymerization
 of\e-Caprolactone
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4014
_journal_paper_doi               10.1021/om050296n
_journal_volume                  24
_journal_year                    2005
_chemical_formula_moiety         'C50 H72 N3 O3 Yb'
_chemical_formula_sum            'C50 H72 N3 O3 Yb'
_chemical_formula_weight         936.15
_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                 100.018(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7360(6)
_cell_length_b                   22.4429(13)
_cell_length_c                   19.8725(12)
_cell_measurement_reflns_used    16450
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     4715.2(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      193(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0365
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            52220
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.07
_exptl_absorpt_coefficient_mu    2.025
_exptl_absorpt_correction_T_max  0.7376
_exptl_absorpt_correction_T_min  0.4626
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1948
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         3.358
_refine_diff_density_min         -0.798
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.159
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     529
_refine_ls_number_reflns         10780
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.167
_refine_ls_R_factor_all          0.0512
_refine_ls_R_factor_gt           0.0411
_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^)+(0.0312P)^2^+7.1881P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0842
_refine_ls_wR_factor_ref         0.0890
_reflns_number_gt                9248
_reflns_number_total             10780
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om050296nsi20050418_091512.cif
_cod_data_source_block           complex5
_cod_original_sg_symbol_Hall     '-p 2ybc'
_cod_original_sg_symbol_H-M      'p 21/c'
_cod_database_code               4075928