Rationally designed rare earth separation by selective oxalate solubilization.
Prodius, Denis; Klocke, Matthew; Smetana, Volodymyr; Alammar, Tarek; Perez Garcia, Marilu; Windus, Theresa L.; Nlebedim, Ikenna C.; Mudring, Anja-Verena; Chemical communications (Cambridge, England) 56 (2020) 11386–11389; doi:10.1039/d0cc02270e

data_7127175
_publ_section_title
;
 Rationally designed rare earth separation by selective oxalate
 solubilization.
;
_journal_issue                   77
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              11386
_journal_page_last               11389
_journal_paper_doi               10.1039/d0cc02270e
_journal_volume                  56
_journal_year                    2020
_chemical_formula_sum            'C24 H28 N8 O18 Tm'
_chemical_formula_weight         885.47
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2019-02-19 deposited with the CCDC.	2020-08-18 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 98.558(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0526(19)
_cell_length_b                   17.5649(19)
_cell_length_c                   18.317(2)
_cell_measurement_reflns_used    87872
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      43.57
_cell_measurement_theta_min      2.06
_cell_volume                     3834.6(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker CCD'
_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  0.0442
_diffrn_reflns_av_sigmaI/netI    0.0559
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            87872
_diffrn_reflns_theta_full        43.57
_diffrn_reflns_theta_max         43.57
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    2.392
_exptl_crystal_density_diffrn    1.534
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular fragment'
_exptl_crystal_F_000             1764
_refine_diff_density_max         2.997
_refine_diff_density_min         -1.645
_refine_diff_density_rms         0.201
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.966
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         27782
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.966
_refine_ls_R_factor_all          0.0955
_refine_ls_R_factor_gt           0.0558
_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^)+(0.0884P)^2^+6.3441P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1491
_refine_ls_wR_factor_ref         0.1739
_reflns_number_gt                16921
_reflns_number_total             27782
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d0cc02270e2.cif
_cod_data_source_block           tmim282
_cod_depositor_comments
'Adding full bibliography for 7127165--7127177.cif.'
_cod_original_cell_volume        3834.6(9)
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7127175