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_4103950
_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            'C49 H60 La O P S2'
_chemical_formula_weight         898.97
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                90.00
_cell_angle_beta                 91.606(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0956(19)
_cell_length_b                   12.0752(19)
_cell_length_c                   31.142(5)
_cell_measurement_reflns_used    8906
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      24.16
_cell_measurement_theta_min      4.23
_cell_volume                     4546.7(12)
_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      103(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0752
_diffrn_reflns_av_sigmaI/netI    0.0573
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            39228
_diffrn_reflns_theta_full        24.71
_diffrn_reflns_theta_max         24.71
_diffrn_reflns_theta_min         4.09
_exptl_absorpt_coefficient_mu    1.100
_exptl_absorpt_correction_T_max  0.9123
_exptl_absorpt_correction_T_min  0.8350
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedron
_exptl_crystal_F_000             1864
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.350
_refine_diff_density_min         -2.159
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     502
_refine_ls_number_reflns         7704
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0684
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0607P)^2^+11.8344P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1167
_refine_ls_wR_factor_ref         0.1243
_reflns_number_gt                6003
_reflns_number_total             7704
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja808763y_si_001_6.cif
_cod_data_source_block           tjm11
_cod_database_code               4103950