Synthesis and styrene polymerisation catalysis of eta5- and eta1-pyrrolyl-ligated cationic rare earth metal aminobenzyl complexes.
Nishiura, Masayoshi; Mashiko, Tomohiro; Hou, Zhaomin; Chemical communications (Cambridge, England)  (2008) 2019–2021; doi:10.1039/b719182k

data_7103092
_publ_section_title
;
 Synthesis and styrene polymerisation catalysis of eta5- and
 eta1-pyrrolyl-ligated cationic rare earth metal aminobenzyl complexes.
;
_journal_issue                   17
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              2019
_journal_page_last               2021
_journal_paper_doi               10.1039/b719182k
_journal_year                    2008
_chemical_formula_sum            'C49 H42 B F20 N2 O2 Sc'
_chemical_formula_weight         1126.62
_chemical_name_common            PyrScBzB
_chemical_name_systematic
;
?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   17.6894(12)
_cell_length_b                   20.7503(14)
_cell_length_c                   26.9268(18)
_cell_measurement_temperature    173(2)
_cell_volume                     9883.8(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.1223
_diffrn_reflns_av_sigmaI/netI    0.0621
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            49807
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.266
_exptl_absorpt_correction_T_max  0.8783
_exptl_absorpt_correction_T_min  0.8565
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.514
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             4576
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.50
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.451
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     676
_refine_ls_number_reflns         8768
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0427
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1098
_refine_ls_wR_factor_ref         0.1189
_reflns_number_gt                6217
_reflns_number_total             8768
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b719182k.txt
_cod_data_source_block           6
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7103092