Unprecedented Bending and Rearrangement of f-Element Sandwich Complexes Induced by Superbulky Cyclooctatetraenide Ligands
Volker Lorenz; Benjamin M. Schmiege; Cristian G. Hrib; Joseph W. Ziller; Anja Edelmann; Steffen Blaurock; William J. Evans; Frank T. Edelmann; Journal of the American Chemical Society 133 (2011) 1257–1259; doi:10.1021/ja109604t

data_4105599
_publ_section_title
;
 Unprecedented Bending and Rearrangement of f-Element Sandwich Complexes
 Induced by Superbulky Cyclooctatetraenide Ligands
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1257
_journal_page_last               1259
_journal_paper_doi               10.1021/ja109604t
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C102 H88 Si4 U'
_chemical_formula_weight         1664.11
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_audit_update_record
;
2010-12-06 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.5490(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6569(8)
_cell_length_b                   25.6459(17)
_cell_length_c                   26.8855(17)
_cell_measurement_reflns_used    9852
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      28.21
_cell_measurement_theta_min      2.20
_cell_volume                     8012.1(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      143(2)
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0422
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            44852
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    2.135
_exptl_absorpt_correction_T_max  0.8546
_exptl_absorpt_correction_T_min  0.4991
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.380
_exptl_crystal_description       plate
_exptl_crystal_F_000             3392
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.506
_refine_diff_density_min         -1.550
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     718
_refine_ls_number_reflns         9417
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0291
_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^)+(0.0262P)^2^+13.0364P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0582
_refine_ls_wR_factor_ref         0.0636
_reflns_number_gt                8007
_reflns_number_total             9417
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja109604t_si_006.cif
_cod_data_source_block           bms14
_cod_database_code               4105599