Stereoselective Polymerization of Styrene with Cationic Scandium Precursors Bearing Quinolyl Aniline Ligands
Liu, Dongtao; Luo, Yunjie; Gao, Wei; Cui, Dongmei; Organometallics 29 (2010) 1916–; doi:10.1021/om1000265

data_4065611
_publ_section_title
;
 Stereoselective Polymerization of Styrene with Cationic Scandium
 Precursors Bearing Quinolyl Aniline Ligands
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              1916
_journal_paper_doi               10.1021/om1000265
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C27 H41 N2 O Sc Si2'
_chemical_formula_weight         510.76
_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                96.0660(10)
_cell_angle_beta                 106.8870(10)
_cell_angle_gamma                109.3620(10)
_cell_formula_units_Z            2
_cell_length_a                   10.8063(8)
_cell_length_b                   10.9221(8)
_cell_length_c                   14.2160(11)
_cell_measurement_temperature    187(2)
_cell_volume                     1476.33(19)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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, 1990)'
_diffrn_ambient_temperature      187(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker APEX 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  0.0166
_diffrn_reflns_av_sigmaI/netI    0.0366
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8367
_diffrn_reflns_theta_full        26.04
_diffrn_reflns_theta_max         26.04
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    0.351
_exptl_absorpt_correction_T_max  0.9688
_exptl_absorpt_correction_T_min  0.9380
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             548
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.714
_refine_diff_density_min         -0.352
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     304
_refine_ls_number_reflns         5681
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0583
_refine_ls_R_factor_gt           0.0491
_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^)+(0.0594P)^2^+0.9178P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1179
_refine_ls_wR_factor_ref         0.1256
_reflns_number_gt                4844
_reflns_number_total             5681
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1000265_si_002.cif
_cod_data_source_block           complex5
_cod_original_cell_volume        1476.32(19)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4065611