Anilido-oxazoline-ligated rare-earth metal complexes: synthesis, characterization and highly cis-1,4-selective polymerization of isoprene.
Pan, Yu; Li, Wenqiang; Wei, Ning-Ning; So, Yat-Ming; Li, Yang; Jiang, Kang; He, Gaohong; Dalton transactions (Cambridge, England : 2003) 48 (2019) 3583–3592; doi:10.1039/c8dt04647f

data_7048643
_publ_section_title
;
 Anilido-oxazoline-ligated rare-earth metal complexes: synthesis,
 characterization and highly cis-1,4-selective polymerization of isoprene.
;
_journal_issue                   11
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3583
_journal_page_last               3592
_journal_paper_doi               10.1039/c8dt04647f
_journal_volume                  48
_journal_year                    2019
_chemical_formula_sum            'C31 H51 N2 O2 Si2 Y'
_chemical_formula_weight         628.82
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2018-11-21 deposited with the CCDC.
2019-01-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.9220(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.8753(5)
_cell_length_b                   9.5470(2)
_cell_length_c                   20.6698(5)
_cell_measurement_reflns_used    9914
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.10
_cell_measurement_theta_min      3.15
_cell_volume                     3474.66(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker D8 QUEST'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker D8 QUEST'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0510
_diffrn_reflns_av_unetI/netI     0.0496
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28477
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.174
_diffrn_reflns_theta_min         2.700
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.774
_exptl_absorpt_correction_T_max  0.805
_exptl_absorpt_correction_T_min  0.673
_exptl_absorpt_correction_type   multi-scans
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_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.316
_refine_diff_density_min         -3.558
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_reflns         6880
_refine_ls_number_restraints     2976
_refine_ls_restrained_S_all      0.927
_refine_ls_R_factor_all          0.0874
_refine_ls_R_factor_gt           0.0640
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0938P)^2^+12.7140P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1642
_refine_ls_wR_factor_ref         0.1803
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5282
_reflns_number_total             6880
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           Y-MePh-2Me
_cod_depositor_comments
'Adding full bibliography for 7048642--7048645.cif.'
_cod_database_code               7048643
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