The Lanthanide Contraction Revisited
Michael Seitz; Allen G. Oliver; Kenneth N. Raymond; Journal of the American Chemical Society 129 (2007) 11153–11160; doi:10.1021/ja072750f

data_4109882
_publ_section_title
;
 The Lanthanide Contraction Revisited
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11153
_journal_page_last               11160
_journal_paper_doi               10.1021/ja072750f
_journal_volume                  129
_journal_year                    2007
_chemical_formula_sum            'C36 H34 La N7 O11'
_chemical_formula_weight         879.61
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.018(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3545(11)
_cell_length_b                   26.745(2)
_cell_length_c                   10.6674(9)
_cell_measurement_reflns_used    2267
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      20.00
_cell_measurement_theta_min      2.45
_cell_volume                     3498.3(5)
_computing_cell_refinement       'SAINT 7.07B (Bruker, 2006)'
_computing_data_collection       'APEX V6.5.31 (Bruker, 2006)'
_computing_data_reduction        'SAINT 7.07B (Bruker, 2006)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      160(2)
_diffrn_detector_area_resol_mean 83.66
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker APEX-I'
_diffrn_measurement_method       \w/2\q-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  0.0524
_diffrn_reflns_av_sigmaI/netI    0.0797
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            19871
_diffrn_reflns_theta_full        26.40
_diffrn_reflns_theta_max         26.40
_diffrn_reflns_theta_min         1.52
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.295
_exptl_absorpt_correction_T_max  0.89
_exptl_absorpt_correction_T_min  0.69
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.670
_exptl_crystal_description       plate
_exptl_crystal_F_000             1776
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.09
_refine_diff_density_max         4.393
_refine_diff_density_min         -0.755
_refine_diff_density_rms         0.137
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     496
_refine_ls_number_reflns         7071
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0897
_refine_ls_R_factor_gt           0.0610
_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^)+(0.0805P)^2^+5.1632P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1474
_refine_ls_wR_factor_ref         0.1598
_reflns_number_gt                5080
_reflns_number_total             7071
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja072750fsi20070419_055702.cif
_cod_data_source_block           tren_las
_cod_database_code               4109882