Bis(oxazolinyl)phenyl-Ligated Rare-Earth-Metal Complexes: Highly Regioselective Catalysts for cis-1,4-Polymerization of Isoprene
Yu Pan; Tieqi Xu; Guan-Wen Yang; Kun Jin; Xiao-Bing Lu; Inorganic Chemistry 52 (2013) 2802–2808; doi:10.1021/ic300976p

data_4334086
_publ_section_title
;
 Bis(oxazolinyl)phenyl-Ligated Rare-Earth-Metal Complexes: Highly
 Regioselective Catalysts for cis-1,4-Polymerization of Isoprene
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2802
_journal_page_last               2808
_journal_paper_doi               10.1021/ic300976p
_journal_volume                  52
_journal_year                    2013
_chemical_absolute_configuration rm
_chemical_formula_sum            'C26 H39 Cl2 N2 O4 Sc'
_chemical_formula_weight         559.45
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 94.122(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.2651(14)
_cell_length_b                   14.3738(14)
_cell_length_c                   8.4335(10)
_cell_measurement_reflns_used    2323
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.49
_cell_measurement_theta_min      2.30
_cell_volume                     1362.0(3)
_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      293(2)
_diffrn_detector_area_resol_mean 0.01
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker Smart Apex CCD'
_diffrn_measurement_method       \w-2\q
_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  0.0189
_diffrn_reflns_av_sigmaI/netI    0.0312
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            3580
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         2.30
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.501
_exptl_absorpt_correction_T_max  0.946
_exptl_absorpt_correction_T_min  0.925
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'ABSCOR by T.Higashi 8 March, 1995'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.239
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         2323
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0282
_refine_ls_R_factor_gt           0.0261
_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^)+(0.0373P)^2^+0.5795P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0710
_reflns_number_gt                2210
_reflns_number_total             2323
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300976p_si_002_1.cif
_cod_data_source_block           complex1
_cod_database_code               4334086