AchiralCs-Symmetric Half-Sandwich Scandium(III) Complexes with Imine‒Cyclopentadienyl Ligands Catalyze Isotactic Polymerization of 1-Hexene
Tao, Xin; Gao, Wei; Huo, Hang; Mu, Ying; Organometallics 32 (2013) 1287–; doi:10.1021/om301026e

data_4080243
_publ_section_title
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 AchiralCs-Symmetric Half-Sandwich Scandium(III) Complexes with
 Imine--Cyclopentadienyl Ligands Catalyze Isotactic Polymerization of
 1-Hexene
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_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1287
_journal_paper_doi               10.1021/om301026e
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C52 H90.25 Li N O3 Sc Si3'
_chemical_formula_weight         913.67
_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                 108.752(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.7558(18)
_cell_length_b                   17.5583(17)
_cell_length_c                   18.5051(19)
_cell_measurement_reflns_used    2690
_cell_measurement_temperature    185(2)
_cell_measurement_theta_max      18.70
_cell_measurement_theta_min      2.21
_cell_volume                     5770.6(10)
_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      185(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scan'
_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  0.0996
_diffrn_reflns_av_sigmaI/netI    0.1165
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            33787
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    0.226
_exptl_absorpt_correction_T_max  0.9712
_exptl_absorpt_correction_T_min  0.9669
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_density_diffrn    1.052
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1997
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.038
_refine_diff_density_min         -0.889
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     654
_refine_ls_number_reflns         10183
_refine_ls_number_restraints     687
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.1841
_refine_ls_R_factor_gt           0.0909
_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^)+(0.1537P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2309
_refine_ls_wR_factor_ref         0.2878
_reflns_number_gt                4875
_reflns_number_total             10183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om301026e_si_001.cif
_cod_data_source_block           complex_3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4080243