Rare-Earth Metal Alkyl, Amido, and Cyclopentadienyl Complexes Supported by Imidazolin-2-iminato Ligands: Synthesis, Structural Characterization, and Catalytic Application
Alexandra G. Trambitas; Tarun K. Panda; Jelena Jenter; Peter W. Roesky; Constantin Daniliuc; Cristian G. Hrib; Peter G. Jones; Matthias Tamm; Inorganic Chemistry 49 (2010) 2435–2446; doi:10.1021/ic9024052

data_4315093
_publ_contact_author
;
        Peter G. Jones
        Institut f\"ur Anorganische und Analytische Chemie
        Technische Universit\"at Braunschweig
        Postfach 3329
        38023 Braunschweig
        Germany
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_publ_contact_author_email       p.jones@tu-bs.de
_publ_contact_author_fax         '049 531 391-5387'
_publ_contact_author_phone       '049 531 391-5382'
_publ_section_title
;
 Rare-Earth Metal Alkyl, Amido, and Cyclopentadienyl Complexes Supported
 by Imidazolin-2-iminato Ligands: Synthesis, Structural Characterization,
 and Catalytic Application
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2435
_journal_page_last               2446
_journal_paper_doi               10.1021/ic9024052
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C55 H82 Gd N3 O2'
_chemical_formula_weight         974.49
_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                 105.752(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.1505(6)
_cell_length_b                   12.2155(6)
_cell_length_c                   19.0791(10)
_cell_measurement_reflns_used    9789
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.82
_cell_measurement_theta_min      2.44
_cell_volume                     2501.2(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX2 CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0353
_diffrn_reflns_av_sigmaI/netI    0.0310
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            128284
_diffrn_reflns_theta_full        33.50
_diffrn_reflns_theta_max         33.85
_diffrn_reflns_theta_min         2.44
_exptl_absorpt_coefficient_mu    1.368
_exptl_absorpt_correction_T_max  0.8753
_exptl_absorpt_correction_T_min  0.7604
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             1026
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.934
_refine_diff_density_min         -0.480
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.001(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    'rigid methyls, others riding'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     568
_refine_ls_number_reflns         20068
_refine_ls_number_restraints     65
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0223
_refine_ls_R_factor_gt           0.0198
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0219P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0442
_refine_ls_wR_factor_ref         0.0448
_reflns_number_gt                18935
_reflns_number_total             20068
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic9024052_si_002_10.cif
_cod_data_source_block           tkpa6a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        2501.1(2)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4315093