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_4105596
_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            'C96 H92 K O4 Sc Si4'
_chemical_formula_weight         1506.12
_chemical_name_systematic
; 
   STOE & CIE GmbH 
   Hilpertstr. 10 
   D-64295 Darmstadt 
   Germany 
;
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_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.06097(14)
_cell_length_b                   22.5577(3)
_cell_length_c                   32.3831(5)
_cell_measurement_reflns_used    194778
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      33.48
_cell_measurement_theta_min      1.81
_cell_volume                     8079.91(19)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'Bruker SHELXTL v5.0'
_computing_publication_material  'Bruker SHELXTL v5.0'
_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 0.999
_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  0.0571
_diffrn_reflns_av_sigmaI/netI    0.0363
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       46
_diffrn_reflns_limit_l_min       -45
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_diffrn_reflns_theta_full        30.50
_diffrn_reflns_theta_max         30.50
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.255
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_description       prism
_exptl_crystal_F_000             3184
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.526
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.009(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1014
_refine_ls_number_reflns         24643
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0506
_refine_ls_R_factor_gt           0.0427
_refine_ls_shift/su_max          0.039
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0470P)^2^+1.1851P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0905
_refine_ls_wR_factor_ref         0.0931
_reflns_number_gt                22238
_reflns_number_total             24643
_reflns_threshold_expression     >2sigma(I)
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_cod_data_source_block           ip11a
_cod_database_code               4105596