Isoprene polymerization with aminopyridinato ligand supported rare-earth metal complexes. Switching of the regio- and stereoselectivity.
Yang, Yi; Lv, Kui; Wang, Lingfang; Wang, Yang; Cui, Dongmei; Chemical communications (Cambridge, England) 46 (2010) 6150–6152; doi:10.1039/c0cc00297f

data_7113023
_publ_section_title
;
 Isoprene polymerization with aminopyridinato ligand supported rare-earth
 metal complexes. Switching of the regio- and stereoselectivity.
;
_journal_issue                   33
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              6150
_journal_page_last               6152
_journal_paper_doi               10.1039/c0cc00297f
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C42 H47 Lu N4 O P2 Si'
_chemical_formula_weight         888.84
_chemical_name_systematic
;
?
;
_space_group_IT_number           145
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 32'
_symmetry_space_group_name_H-M   'P 32'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   18.0407(6)
_cell_length_b                   18.0407(6)
_cell_length_c                   11.0329(7)
_cell_measurement_reflns_used    5799
_cell_measurement_temperature    187(2)
_cell_measurement_theta_max      23.84
_cell_measurement_theta_min      2.26
_cell_volume                     3109.8(2)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX CCD area detector'
_diffrn_measurement_method       '\f and \w 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  0.0341
_diffrn_reflns_av_sigmaI/netI    0.0501
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            16705
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.30
_exptl_absorpt_coefficient_mu    2.523
_exptl_absorpt_correction_T_max  0.7919
_exptl_absorpt_correction_T_min  0.4862
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_density_diffrn    1.424
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1350
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.449
_refine_diff_density_min         -0.708
_refine_diff_density_rms         0.086
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.021(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     484
_refine_ls_number_reflns         6693
_refine_ls_number_restraints     41
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0435
_refine_ls_R_factor_gt           0.0398
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0454P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0886
_refine_ls_wR_factor_ref         0.0903
_reflns_number_gt                6268
_reflns_number_total             6693
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c0cc00297f.txt
_cod_data_source_block           1a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P3(2)
_cod_database_code               7113023