Rare-Earth-Metal Allyl Complexes Supported by the [2-(N,N-Dimethylamino)ethyl]tetramethylcyclopentadienyl Ligand: Structural Characterization, Reactivity, and Isoprene Polymerization
Jende, Lars N.; Hollfelder, Christoph O.; Maichle-Mössmer, Cäcilia; Anwander, Reiner; Organometallics 34 (2015) 32–; doi:10.1021/om500725g

data_4085084
_publ_section_title
;
 Rare-Earth-Metal Allyl Complexes Supported by the
 [2-(N,N-Dimethylamino)ethyl]tetramethylcyclopentadienyl Ligand:
 Structural Characterization, Reactivity, and Isoprene Polymerization
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              32
_journal_paper_doi               10.1021/om500725g
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C19 H32 Lu N'
_chemical_formula_weight         449.43
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 114.482(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.4482(9)
_cell_length_b                   13.9076(10)
_cell_length_c                   8.5517(9)
_cell_measurement_temperature    173(2)
_cell_volume                     914.44(16)
_computing_cell_refinement       X-AREA
_computing_data_collection       X-AREA
_computing_data_reduction        X-AREA
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'STOE IPDS II'
_diffrn_measurement_method       omega-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  0.0381
_diffrn_reflns_av_sigmaI/netI    0.0245
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            14316
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         4.79
_exptl_absorpt_coefficient_mu    5.393
_exptl_absorpt_correction_T_max  0.72648
_exptl_absorpt_correction_T_min  0.41399
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   mulabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.632
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.515
_refine_diff_density_min         -0.973
_refine_diff_density_rms         0.073
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.019(12)
_refine_ls_extinction_coef       0.0071(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     197
_refine_ls_number_reflns         3944
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0198
_refine_ls_R_factor_gt           0.0179
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0189P)^2^+0.6714P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0394
_refine_ls_wR_factor_ref         0.0399
_reflns_number_gt                3772
_reflns_number_total             3944
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500725g_si_003.cif
_cod_data_source_block           1c(mullj116d)
_cod_depositor_comments
'Adding full bibliography for 4085082--4085086.cif.'
_cod_original_cell_volume        914.44(15)
_cod_original_sg_symbol_H-M      P21
_cod_database_code               4085084