Half-Sandwich Rare-Earth Metal Complexes Bearing a C5Me4-C6H4-o-CH2NMe2 Ligand: Synthesis, Characterization and Catalytic Properties for Isoprene, 1-Hexene and MMA Polymerization
Mu, Ying; Song, Tingting; Liu, Ning; Tong, Xiaobo; Li, Feng; Mu, Xiaoyue; Dalton Transactions  (2019) –; doi:10.1039/C9DT04029C

data_7701983
_publ_section_title
;
 Half-Sandwich Rare-Earth Metal Complexes Bearing a C5Me4-C6H4-o-CH2NMe2
 Ligand: Synthesis, Characterization and Catalytic Properties for
 Isoprene, 1-Hexene and MMA Polymerization
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/C9DT04029C
_journal_year                    2019
_chemical_formula_sum            'C44 H68 N2 Si2 Y2'
_chemical_formula_weight         859.00
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_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
_audit_update_record
;
2019-09-23 deposited with the CCDC.	2019-11-18 downloaded from the CCDC.
;
_cell_angle_alpha                77.1150(10)
_cell_angle_beta                 75.8990(10)
_cell_angle_gamma                72.1310(10)
_cell_formula_units_Z            1
_cell_length_a                   9.2689(6)
_cell_length_b                   11.0330(8)
_cell_length_c                   11.9125(8)
_cell_measurement_reflns_used    4036
_cell_measurement_temperature    185(2)
_cell_measurement_theta_max      52.78
_cell_measurement_theta_min      4.70
_cell_volume                     1109.92(13)
_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 0.969
_diffrn_measured_fraction_theta_max 0.969
_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  0.0146
_diffrn_reflns_av_sigmaI/netI    0.0324
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6334
_diffrn_reflns_theta_full        26.39
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    2.686
_exptl_absorpt_correction_T_max  0.7566
_exptl_absorpt_correction_T_min  0.7049
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.285
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             452
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.569
_refine_diff_density_min         -0.816
_refine_diff_density_rms         0.180
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.206
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         4409
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.206
_refine_ls_R_factor_all          0.0403
_refine_ls_R_factor_gt           0.0329
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0579P)^2^+0.8432P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0915
_refine_ls_wR_factor_ref         0.1134
_reflns_number_gt                3980
_reflns_number_total             4409
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9dt04029c2.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7701983