Bimetallic Cleavage of Aromatic C-H Bonds by Rare-Earth-Metal Complexes.
Huang, Wenliang; Dulong, Florian; Khan, Saeed I.; Cantat, Thibault; Diaconescu, Paula L.; Journal of the American Chemical Society  (2014) 141208061549006–; doi:10.1021/ja510761j

data_4123103
_publ_section_title
;
 Bimetallic Cleavage of Aromatic C-H Bonds by Rare-Earth-Metal Complexes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              141208061549006
_journal_paper_doi               10.1021/ja510761j
_journal_year                    2014
_chemical_formula_sum            'C52 H94 Er2 Fe2 N4 O2 Si4'
_chemical_formula_weight         1365.89
_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                95.9650(10)
_cell_angle_beta                 100.1150(10)
_cell_angle_gamma                104.4480(10)
_cell_formula_units_Z            2
_cell_length_a                   10.8500(10)
_cell_length_b                   12.5353(12)
_cell_length_c                   23.562(2)
_cell_measurement_temperature    100(2)
_cell_volume                     3018.1(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0193
_diffrn_reflns_av_sigmaI/netI    0.0294
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            21049
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.64
_exptl_absorpt_coefficient_mu    3.341
_exptl_absorpt_correction_T_max  0.9301
_exptl_absorpt_correction_T_min  0.5546
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1388
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.241
_refine_diff_density_min         -0.494
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     623
_refine_ls_number_reflns         10483
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0260
_refine_ls_R_factor_gt           0.0209
_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^)+(0.0215P)^2^+0.7615P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0457
_refine_ls_wR_factor_ref         0.0471
_reflns_number_gt                9312
_reflns_number_total             10483
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja510761j_si_001.cif
_cod_data_source_block           pld1226sm
_cod_original_cell_volume        3018.2(5)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4123103