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_4080242
_publ_section_title
;
 AchiralCs-Symmetric Half-Sandwich Scandium(III) Complexes with
 Imine--Cyclopentadienyl Ligands Catalyze Isotactic Polymerization of
 1-Hexene
;
_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            'C24.5 H27 Cl3 N Sc'
_chemical_formula_weight         486.78
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 103.303(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.949(2)
_cell_length_b                   14.6979(17)
_cell_length_c                   17.889(2)
_cell_measurement_reflns_used    5150
_cell_measurement_temperature    185(2)
_cell_measurement_theta_max      26.05
_cell_measurement_theta_min      2.26
_cell_volume                     4848.6(9)
_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 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17718
_diffrn_reflns_theta_full        26.10
_diffrn_reflns_theta_max         26.10
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.645
_exptl_absorpt_correction_T_max  0.9383
_exptl_absorpt_correction_T_min  0.9094
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2024
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.949
_refine_diff_density_min         -0.778
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.143
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         4779
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.1033
_refine_ls_R_factor_gt           0.0873
_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^)+(0.0620P)^2^+40.3052P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1968
_refine_ls_wR_factor_ref         0.2046
_reflns_number_gt                3894
_reflns_number_total             4779
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om301026e_si_001.cif
_cod_data_source_block           complex_2c
_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.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        4848.7(10)
_cod_original_sg_symbol_H-M      C2/c
_cod_original_formula_sum        'C24.50 H27 Cl3 N Sc'
_cod_database_code               4080242