Imidazolin-2-iminato Complexes of Rare Earth Metals with Very Short Metal‒Nitrogen Bonds: Experimental and Theoretical Studies
Panda, Tarun K.; Trambitas, Alexandra G.; Bannenberg, Thomas; Hrib, Cristian G.; Randoll, Sören; Jones, Peter G.; Tamm, Matthias; Inorganic chemistry 48 (2009) 5462–5472; doi:10.1021/ic900503q

data_4338639
_publ_section_title
;
 Imidazolin-2-iminato Complexes of Rare Earth Metals with Very Short
 Metal--Nitrogen Bonds: Experimental and Theoretical Studies
;
_journal_coden_ASTM              INOCAJ
_journal_issue                   12
_journal_name_full               'Inorganic chemistry'
_journal_page_first              5462
_journal_page_last               5472
_journal_paper_doi               10.1021/ic900503q
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C43 H60 N3 O2 Sc'
_chemical_formula_weight         695.90
_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                92.590(3)
_cell_angle_beta                 92.633(3)
_cell_angle_gamma                107.290(3)
_cell_formula_units_Z            4
_cell_length_a                   10.4088(14)
_cell_length_b                   10.7170(14)
_cell_length_c                   37.471(2)
_cell_measurement_reflns_used    8438
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2
_cell_volume                     3979.2(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Siemens XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_diffrn_measurement_method       '\w- and \f-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  0.0766
_diffrn_reflns_av_sigmaI/netI    0.0886
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       46
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            62963
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.09
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.223
_exptl_absorpt_correction_T_max  0.9589
_exptl_absorpt_correction_T_min  0.9261
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.162
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.468
_refine_diff_density_min         -0.356
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    'rigid methyls, others riding'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     908
_refine_ls_number_reflns         16219
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.1207
_refine_ls_R_factor_gt           0.0600
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0723P)^2^+2.2092P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1403
_refine_ls_wR_factor_ref         0.1658
_reflns_number_gt                9649
_reflns_number_total             16219
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900503q_si_002.cif
_cod_data_source_block           tarun81
_cod_database_code               4338639