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_4109891
_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 N7 O11 Tm'
_chemical_formula_weight         909.63
_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                 96.357(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3920(13)
_cell_length_b                   26.162(3)
_cell_length_c                   10.5522(12)
_cell_measurement_temperature    173(2)
_cell_volume                     3400.0(7)
_computing_cell_refinement       'SAINT V7.23 (Bruker 2006)'
_computing_data_collection       'Bruker APEX-II (V2.0.2)'
_computing_data_reduction        'SAINT V7.23 (Bruker 2006)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al.,  1993)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 36.23
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker Platinum 200'
_diffrn_measurement_method       \w/2\q-scans
_diffrn_radiation_monochromator  'channel-cut Si-(111)-crystal'
_diffrn_radiation_source         synchrotron
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.77490
_diffrn_reflns_av_R_equivalents  0.0628
_diffrn_reflns_av_sigmaI/netI    0.0467
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            35089
_diffrn_reflns_theta_full        29.19
_diffrn_reflns_theta_max         29.19
_diffrn_reflns_theta_min         1.80
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.213
_exptl_absorpt_correction_T_max  0.921
_exptl_absorpt_correction_T_min  0.751
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.777
_exptl_crystal_description       needle
_exptl_crystal_F_000             1824
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.627
_refine_diff_density_min         -1.970
_refine_diff_density_rms         0.158
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     496
_refine_ls_number_reflns         7007
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0597
_refine_ls_R_factor_gt           0.0474
_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^)+(0.0486P)^2^+16.4063P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1107
_refine_ls_wR_factor_ref         0.1149
_reflns_number_gt                5731
_reflns_number_total             7007
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja072750fsi20070419_055958.cif
_cod_data_source_block           tren_tm
_cod_original_cell_volume        3400.0(6)
_cod_database_code               4109891