Rare-earth metal-promoted (double) C-H-bond activation of a lutidinyl-functionalized alkoxy ligand: formation of [ONC] pincer-type ligands and implications for isoprene polymerization.
Diether, Dominic; Meermann-Zimmermann, Melanie; Törnroos, Karl W; Maichle-Mössmer, Cäcilia; Anwander, Reiner; Dalton transactions (Cambridge, England : 2003) 49 (2020) 2004–2013; doi:10.1039/c9dt04742e

data_7703676
_publ_section_title
;
 Rare-earth metal-promoted (double) C-H-bond activation of a
 lutidinyl-functionalized alkoxy ligand: formation of [ONC] pincer-type
 ligands and implications for isoprene polymerization.
;
_journal_issue                   6
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2004
_journal_page_last               2013
_journal_paper_doi               10.1039/c9dt04742e
_journal_volume                  49
_journal_year                    2020
_chemical_formula_sum            'C33.5 H51 Al3 N O Y'
_chemical_formula_weight         653.60
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_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'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-12-12 deposited with the CCDC.	2020-01-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.621(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.8953(13)
_cell_length_b                   10.0184(8)
_cell_length_c                   20.9266(15)
_cell_measurement_reflns_used    169
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.415
_cell_measurement_theta_min      1.998
_cell_volume                     3533.9(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX II DUO'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0543
_diffrn_reflns_av_unetI/netI     0.0366
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            56238
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.103
_diffrn_reflns_theta_min         2.013
_diffrn_source                   'ImuS-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.749
_exptl_absorpt_correction_T_max  0.888
_exptl_absorpt_correction_T_min  0.726
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_description       plate-like
_exptl_crystal_F_000             1380
_exptl_crystal_size_max          0.197
_exptl_crystal_size_mid          0.183
_exptl_crystal_size_min          0.070
_refine_diff_density_max         1.622
_refine_diff_density_min         -0.604
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.123
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     443
_refine_ls_number_reflns         7791
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0563
_refine_ls_R_factor_gt           0.0446
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0355P)^2^+5.3392P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0970
_refine_ls_wR_factor_ref         0.1007
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6635
_reflns_number_total             7791
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt04742e2.cif
_cod_data_source_block           2-Y-A_mo_dd111_0m
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C33.50 H51 Al3 N O Y'
_cod_database_code               7703676
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.724
_shelx_estimated_absorpt_t_max   0.887
_shelx_res_checksum              1854