Nature of the Entire Range of Rare Earth Metal-Based Cationic Catalysts for Highly Active and Syndioselective Styrene Polymerization
Lin, Fei; Wang, Xingbao; Pan, Yupeng; Wang, Meiyan; Liu, Bo; Luo, Yi; Cui, Dongmei; ACS Catalysis 6 (2016) 176–; doi:10.1021/acscatal.5b02334

data_4513762
_publ_section_title
;
 Nature of the Entire Range of Rare Earth Metal-Based Cationic Catalysts
 for Highly Active and Syndioselective Styrene Polymerization
;
_journal_issue                   1
_journal_name_full               'ACS Catalysis'
_journal_page_first              176
_journal_paper_doi               10.1021/acscatal.5b02334
_journal_volume                  6
_journal_year                    2016
_chemical_formula_sum            'C31 H44 N O Pr Si2'
_chemical_formula_weight         643.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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                 95.7290(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.6913(7)
_cell_length_b                   11.3369(6)
_cell_length_c                   19.4321(10)
_cell_measurement_temperature    273(2)
_cell_volume                     3220.3(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0338
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15618
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    1.609
_exptl_absorpt_correction_T_max  0.7943
_exptl_absorpt_correction_T_min  0.7390
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.328
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.884
_refine_diff_density_min         -2.776
_refine_diff_density_rms         '0.248 ===========END============='
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.360
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         5663
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.358
_refine_ls_R_factor_all          0.1179
_refine_ls_R_factor_gt           0.1110
_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^)+(0.0654P)^2^+80.4155P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2680
_refine_ls_wR_factor_ref         0.2836
_reflns_number_gt                5342
_reflns_number_total             5663
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cs5b02334_si_002.cif
_cod_data_source_block           complex11
_cod_depositor_comments
'Adding full bibliography for 4513759--4513762.cif.'
_cod_original_sg_symbol_H-M      p2(1)/c
_cod_database_code               4513762