Reactivity of (C5Me5)3LaLx Complexes: Synthesis of a Tris(pentamethylcyclopentadienyl) Complex with Two Additional Ligands, (C5Me5)3La(NCCMe3)2
William J. Evans; Thomas J. Mueller; Joseph W. Ziller; Journal of the American Chemical Society 131 (2009) 2678–2686; doi:10.1021/ja808763y

data_4103948
_publ_section_title
;
 Reactivity of (C5Me5)3LaLx Complexes: Synthesis of a
 Tris(pentamethylcyclopentadienyl) Complex with Two Additional Ligands,
 (C5Me5)3La(NCCMe3)2
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2678
_journal_page_last               2686
_journal_paper_doi               10.1021/ja808763y
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C31 H45 La S2'
_chemical_formula_weight         620.70
_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           SHELXTL
_cell_angle_alpha                74.1820(10)
_cell_angle_beta                 83.3800(10)
_cell_angle_gamma                70.7040(10)
_cell_formula_units_Z            2
_cell_length_a                   9.9376(6)
_cell_length_b                   11.3390(7)
_cell_length_c                   14.4297(9)
_cell_measurement_reflns_used    9887
_cell_measurement_temperature    163(2)
_cell_measurement_theta_max      0.00
_cell_measurement_theta_min      0.00
_cell_volume                     1475.95(16)
_computing_cell_refinement       'Bruker SMART APEX2/SAINT'
_computing_data_collection       'Bruker SMART APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      163(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       'phi and omega'
_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  0.0182
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            17905
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         3.92
_exptl_absorpt_coefficient_mu    1.606
_exptl_absorpt_correction_T_max  0.8432
_exptl_absorpt_correction_T_min  0.7190
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.397
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.387
_refine_diff_density_min         -0.568
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         7231
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0328
_refine_ls_R_factor_gt           0.0298
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0393P)^2^+1.7683P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0739
_refine_ls_wR_factor_ref         0.0756
_reflns_number_gt                6704
_reflns_number_total             7231
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja808763y_si_001_4.cif
_cod_data_source_block           tjm9
_cod_database_code               4103948