Bis(imidazolin-2-iminato) Rare Earth Metal Complexes: Synthesis, Structural Characterization, and Catalytic Application
Alexandra G. Trambitas; Daniel Melcher; Larissa Hartenstein; Peter W. Roesky; Constantin Daniliuc; Peter G. Jones; Matthias Tamm; Inorganic Chemistry 51 (2012) 6753–6761; doi:10.1021/ic300407u

data_4329491
_publ_contact_author
;
        Peter G. Jones
        Institut f\"ur Anorganische und Analytische Chemie
        Technische Universit\"at Braunschweig
        Postfach 3329
        38023 Braunschweig
        Germany
;
_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
;
 Bis(imidazolin-2-iminato) Rare Earth Metal Complexes: Synthesis,
 Structural Characterization, and Catalytic Application
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6753
_journal_page_last               6761
_journal_paper_doi               10.1021/ic300407u
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C69 H96 I N6 O2 Yb'
_chemical_formula_weight         1341.46
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_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
_cell_angle_alpha                74.501(2)
_cell_angle_beta                 78.931(2)
_cell_angle_gamma                83.188(2)
_cell_formula_units_Z            2
_cell_length_a                   12.6034(4)
_cell_length_b                   14.0206(4)
_cell_length_c                   19.4205(6)
_cell_measurement_reflns_used    29142
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.3160
_cell_measurement_theta_min      2.1273
_cell_volume                     3237.20(17)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May  6 2009,17:20:42)
;
_computing_data_collection
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May  6 2009,17:20:42)
;
_computing_data_reduction
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May  6 2009,17:20:42)
;
_computing_molecular_graphics    'BRUKER XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.1419
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0732
_diffrn_reflns_av_sigmaI/netI    0.0880
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            117954
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    1.969
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.97587
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May  6 2009,17:20:42)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.376
_exptl_crystal_description       prism
_exptl_crystal_F_000             1382
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.07
_refine_diff_density_max         2.036
_refine_diff_density_min         -0.810
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.858
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     729
_refine_ls_number_reflns         14247
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.858
_refine_ls_R_factor_all          0.0527
_refine_ls_R_factor_gt           0.0313
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0244P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0585
_refine_ls_wR_factor_ref         0.0605
_reflns_number_gt                10065
_reflns_number_total             14247
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300407u_si_002_5.cif
_cod_data_source_block           altr40
_cod_database_code               4329491