Isolation and Characterization of a Carbene Derivative of La@C82
Yutaka Maeda; Yoichiro Matsunaga; Takatsugu Wakahara; Satomi Takahashi; Takahiro Tsuchiya; Midori O. Ishitsuka; Tadashi Hasegawa; Takeshi Akasaka; Michael T. H. Liu; Kisato Kokura; Ernst Horn; Kenji Yoza; Tatsuhisa Kato; Shingo Okubo; Kaoru Kobayashi; Shigeru Nagase; Kazunori Yamamoto; Journal of the American Chemical Society 126 (2004) 6858–6859; doi:10.1021/ja0316115

data_4112618
_publ_section_title
;
 Isolation and Characterization of a Carbene Derivative of La@C82
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6858
_journal_page_last               6859
_journal_paper_doi               10.1021/ja0316115
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C94.5 H14 La S5'
_chemical_formula_weight         1448.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 101.3160(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.2997(5)
_cell_length_b                   21.8937(9)
_cell_length_c                   20.9096(9)
_cell_measurement_reflns_used    9706
_cell_measurement_temperature    90
_cell_measurement_theta_max      27.88
_cell_measurement_theta_min      2.44
_cell_volume                     5072.3(4)
_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      90
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_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     0.71073
_diffrn_reflns_av_R_equivalents  0.0607
_diffrn_reflns_av_sigmaI/netI    0.0459
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            57047
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.36
_exptl_absorpt_coefficient_mu    1.116
_exptl_absorpt_correction_T_max  0.9259
_exptl_absorpt_correction_T_min  0.8871
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.896
_exptl_crystal_density_meas      0
_exptl_crystal_description       block
_exptl_crystal_F_000             2872
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         3.708
_refine_diff_density_min         -1.127
_refine_diff_density_rms         0.233
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1180
_refine_ls_number_reflns         10362
_refine_ls_number_restraints     6403
_refine_ls_restrained_S_all      1.313
_refine_ls_R_factor_all          0.1083
_refine_ls_R_factor_gt           0.0903
_refine_ls_shift/su_max          0.048
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1247P)^2^+80.2025P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2300
_refine_ls_wR_factor_ref         0.2439
_reflns_number_gt                8328
_reflns_number_total             10362
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0316115si20040409_080639.cif
_cod_data_source_block           7jc1
_cod_original_formula_sum        'C94.50 H14 La S5'
_cod_database_code               4112618