Metal Atoms Collinear with the Spiro Carbon of 6,6-Open Adducts, M2@C80(Ad) (M = La and Ce, Ad = Adamantylidene)
Michio Yamada; Chika Someya; Takatsugu Wakahara; Takahiro Tsuchiya; Yutaka Maeda; Takeshi Akasaka; Kenji Yoza; Ernst Horn; Michael T. H. Liu; Naomi Mizorogi; Shigeru Nagase; Journal of the American Chemical Society 130 (2008) 1171–1176; doi:10.1021/ja073924w

data_4107334
_publ_section_title
;
 Metal Atoms Collinear with the Spiro Carbon of 6,6-Open Adducts,
 M2@C80(Ad) (M = La and Ce, Ad = Adamantylidene)
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1171
_journal_page_last               1176
_journal_paper_doi               10.1021/ja073924w
_journal_volume                  130
_journal_year                    2008
_chemical_formula_sum            'C96 H18 Cl2 La2'
_chemical_formula_weight         1519.82
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   22.031(3)
_cell_length_b                   22.122(3)
_cell_length_c                   20.498(2)
_cell_measurement_temperature    273
_cell_volume                     9990(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0858
_diffrn_reflns_av_sigmaI/netI    0.0712
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            67464
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.08
_exptl_absorpt_coefficient_mu    1.864
_exptl_absorpt_correction_T_max  0.715
_exptl_absorpt_correction_T_min  0.462
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS Sheldrick 1996'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.021
_exptl_crystal_description       block
_exptl_crystal_F_000             5936
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.18
_refine_diff_density_max         3.559
_refine_diff_density_min         -0.894
_refine_diff_density_rms         0.166
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.192
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     901
_refine_ls_number_reflns         11273
_refine_ls_number_restraints     834
_refine_ls_restrained_S_all      1.228
_refine_ls_R_factor_all          0.1178
_refine_ls_R_factor_gt           0.0746
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1800
_refine_ls_wR_factor_ref         0.1945
_reflns_number_gt                7543
_reflns_number_total             11273
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja073924w-file004.cif
_cod_data_source_block           La2@C80(Ad)273k
_cod_database_code               4107334