Steric Effects in Lanthanide Sandwich Complexes Containing Bulky Cyclooctatetraenyl Ligands
Edelmann, Anja; Lorenz, Volker; Hrib, Cristian G.; Hilfert, Liane; Blaurock, Steffen; Edelmann, Frank T.; Organometallics 32 (2013) 1435–; doi:10.1021/om3010993

data_4080348
_publ_section_title
;
 Steric Effects in Lanthanide Sandwich Complexes Containing Bulky
 Cyclooctatetraenyl Ligands
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1435
_journal_paper_doi               10.1021/om3010993
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C44 H80 Li Nd O4 Si4'
_chemical_formula_weight         936.62
_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                87.119(2)
_cell_angle_beta                 81.867(2)
_cell_angle_gamma                78.888(2)
_cell_formula_units_Z            2
_cell_length_a                   11.3988(2)
_cell_length_b                   11.7195(2)
_cell_length_c                   19.5981(4)
_cell_measurement_reflns_used    81005
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      30.86
_cell_measurement_theta_min      2.30
_cell_volume                     2542.44(8)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'Bruker SHELXTL v5.1(Bruker, 1998)'
_computing_publication_material  'Bruker SHELXTL v5.1(Bruker, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_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  0.0535
_diffrn_reflns_av_sigmaI/netI    0.0339
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            63150
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.50
_diffrn_reflns_theta_min         2.41
_exptl_absorpt_coefficient_mu    1.151
_exptl_absorpt_correction_T_max  0.8025
_exptl_absorpt_correction_T_min  0.5969
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             990
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.202
_refine_diff_density_min         -1.159
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     716
_refine_ls_number_reflns         15441
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0292
_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^)+(0.0275P)^2^+1.0382P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0626
_refine_ls_wR_factor_ref         0.0644
_reflns_number_gt                13993
_reflns_number_total             15441
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3010993_si_003.cif
_cod_data_source_block           ip2
_cod_database_code               4080348