The reaction of bis(1,2,4-tri-t-butylcyclopentadienyl)ceriumbenzyl, Cp'2CeCH2Ph, with methylhalides: a metathesis reaction that does not proceed by a metathesis transition state.
Werkema, Evan L.; Andersen, Richard A.; Maron, Laurent; Eisenstein, Odile; Dalton transactions (Cambridge, England : 2003) 39 (2010) 6648–6660; doi:10.1039/b918103b

data_7024511
_publ_section_title
;
 The reaction of bis(1,2,4-tri-t-butylcyclopentadienyl)ceriumbenzyl,
 Cp'2CeCH2Ph, with methylhalides: a metathesis reaction that does not
 proceed by a metathesis transition state.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6648
_journal_page_last               6660
_journal_paper_doi               10.1039/b918103b
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C41 H65 Ce'
_chemical_formula_sum            'C41 H65 Ce'
_chemical_formula_weight         698.05
_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                96.3770(10)
_cell_angle_beta                 105.3880(10)
_cell_angle_gamma                96.1730(10)
_cell_formula_units_Z            4
_cell_length_a                   13.2277(3)
_cell_length_b                   16.0800(4)
_cell_length_c                   18.4994(3)
_cell_measurement_reflns_used    8192
_cell_measurement_temperature    179(2)
_cell_measurement_theta_max      25.99
_cell_measurement_theta_min      1.15
_cell_volume                     3731.58(14)
_computing_cell_refinement       'Bruker SAINT v5.04'
_computing_data_collection       'Bruker SMART v5.052'
_computing_data_reduction        'Bruker SAINT v5.04'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  CIFTAB
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      179(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.931
_diffrn_measured_fraction_theta_max 0.849
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_diffrn_measurement_method       '\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  0.0229
_diffrn_reflns_av_sigmaI/netI    0.0496
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17828
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.15
_exptl_absorpt_coefficient_mu    1.245
_exptl_absorpt_correction_T_max  0.8856
_exptl_absorpt_correction_T_min  0.7065
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.243
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1476
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.669
_refine_diff_density_min         -0.954
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     793
_refine_ls_number_reflns         12450
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0361
_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^)+(0.0098P)^2^+6.2837P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0707
_refine_ls_wR_factor_ref         0.0795
_reflns_number_gt                10075
_reflns_number_total             12450
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b918103b.txt
_cod_data_source_block           b123
_cod_original_cell_volume        3731.57(14)
_cod_database_code               7024511