Differentiating between Trivalent Lanthanides and Actinides
Matthew J. Polinski; Daniel J. Grant; Shuao Wang; Evgeny V. Alekseev; Justin N. Cross; Eric M. Villa; Wulf Depmeier; Laura Gagliardi; Thomas E. Albrecht-Schmitt; Journal of the American Chemical Society 134 (2012) 10682–10692; doi:10.1021/ja303804r

data_4118152
_publ_section_title
;
 Differentiating between Trivalent Lanthanides and Actinides
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10682
_journal_page_last               10692
_journal_paper_doi               10.1021/ja303804r
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         Eu4[B18O25(OH)13Cl3]
_chemical_formula_sum            'B18 Cl3 Eu4 O38'
_chemical_formula_weight         1516.77
_chemical_name_common            'Europium(III) Borate Chloride'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/c 1'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.196(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.4397(3)
_cell_length_b                   6.4189(2)
_cell_length_c                   23.0367(6)
_cell_measurement_reflns_used    3539
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      1.78
_cell_volume                     1531.56(8)
_computing_cell_refinement       'Smart Saint'
_computing_data_collection       Smart
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXP-91 (Sheldrick, 1997)'
_computing_publication_material  'SHELXCIF-97 (Sheldrick, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'BRUKER apex II'
_diffrn_measurement_method       '0.5 wide w/ exposures'
_diffrn_radiation_monochromator  'Quazar Optics'
_diffrn_radiation_source         'Imus microfocused'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0762
_diffrn_reflns_av_sigmaI/netI    0.0660
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            16345
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    8.486
_exptl_absorpt_correction_T_max  0.958
_exptl_absorpt_correction_T_min  0.903
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   SHELTXPREP
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    3.289
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1394
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.010
_exptl_crystal_size_min          0.005
_refine_diff_density_max         1.163
_refine_diff_density_min         -1.261
_refine_diff_density_rms         0.219
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.904
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         3539
_refine_ls_number_restraints     168
_refine_ls_restrained_S_all      0.891
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0288
_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^)+(0.0143P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0543
_refine_ls_wR_factor_ref         0.0574
_reflns_number_gt                2707
_reflns_number_total             3539
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja303804r_si_002_4.cif
_cod_data_source_block           EuBOCl
_cod_database_code               4118152