Di- and Triphenylacetates of Lanthanum and Neodymium. Synthesis, Structural Diversity, and Application in Diene Polymerization
Roitershtein, Dmitrii M.; Vinogradov, Alexander A.; Vinogradov, Alexei A.; Lyssenko, Konstantin A.; Nelyubina, Yulia V.; Anan’ev, Ivan V.; Nifant’ev, Ilya E.; Yakovlev, Vladimir A.; Kostitsyna, Natalya N.; Organometallics 32 (2013) 1272–; doi:10.1021/om301020r

data_4080225
_publ_section_title
;
 Di- and Triphenylacetates of Lanthanum and Neodymium. Synthesis,
 Structural Diversity, and Application in Diene Polymerization
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1272
_journal_paper_doi               10.1021/om301020r
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C112 H100 La Na O13, 2(C4 H8 O)'
_chemical_formula_sum            'C120 H116 La Na O15'
_chemical_formula_weight         1960.03
_chemical_name_systematic
; 
 ? 
;
_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                99.4050(10)
_cell_angle_beta                 94.5820(10)
_cell_angle_gamma                91.4680(10)
_cell_formula_units_Z            2
_cell_length_a                   14.4284(6)
_cell_length_b                   18.4950(7)
_cell_length_c                   18.5519(7)
_cell_measurement_reflns_used    999
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29
_cell_measurement_theta_min      3
_cell_volume                     4864.7(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX II'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX II CCD area detector''
_diffrn_measurement_method       'omega 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  0.0667
_diffrn_reflns_av_sigmaI/netI    0.1050
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            58531
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         1.12
_exptl_absorpt_coefficient_mu    0.512
_exptl_absorpt_correction_T_max  0.951
_exptl_absorpt_correction_T_min  0.896
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2048
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.002
_refine_diff_density_min         -0.889
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.949
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1228
_refine_ls_number_reflns         25790
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.949
_refine_ls_R_factor_all          0.0941
_refine_ls_R_factor_gt           0.0522
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0455P)^2^+2.9271P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1194
_reflns_number_gt                17645
_reflns_number_total             25790
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om301020r_si_001.cif
_cod_data_source_block           comp_9
_cod_database_code               4080225