High-yield synthesis of heavy rare earth(III) anhydrous solvates: known, new, and unexpected products.
Barbosa, Guilherme A.; Carneiro Neto, José Severiano; Stoeberl, Bruno J.; Wisbeck, Sarita; Giese, Siddhartha O. K.; Yokaichiya, Fabiano; Costa, Daniel da S; Barison, Andersson; Ribeiro, Ronny R.; Piovan, Leandro; Hughes, David L.; Briganti, Matteo; Poneti, Giordano; Nunes, Giovana G.; Santana, Francielli S.; Soares, Jaísa F; Dalton transactions (Cambridge, England : 2003) 54 (2025) 8251–8269; doi:10.1039/d5dt00254k

data_7718509
_publ_section_title
;
 High-yield synthesis of heavy rare earth(III) anhydrous solvates: known,
 new, and unexpected products.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8251
_journal_page_last               8269
_journal_paper_doi               10.1039/d5dt00254k
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C40 H80 Cl8 Gd4 O14, 3(C4 H8 O)'
_chemical_formula_structural     '[{(thf)2Cl2Gd(Cl)2(O2)Gd(thf)3}2].3thf'
_chemical_formula_sum            'C52 H104 Cl8 Gd4 O17'
_chemical_formula_weight         1913.95
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     'intrinsic phasing'
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2025-03-12 deposited with the CCDC.	2025-04-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.715(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.2553(11)
_cell_length_b                   10.9651(9)
_cell_length_c                   24.264(2)
_cell_measurement_reflns_used    9282
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.57
_cell_measurement_theta_min      3.07
_cell_volume                     3494.7(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3 (2015)'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics
'Diamond (H. Putz & K. Brandenburg, 2006, v. 4.6.4)'
_computing_publication_material
'SHELXL-2014/7 (Sheldrick, 2015) and WINGX (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2015b)'
_computing_structure_solution    'SHELXT-2015 (Sheldrick 2015a)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Venture/Photon 100 CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0645
_diffrn_reflns_av_unetI/netI     0.0154
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            250280
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.499
_diffrn_reflns_theta_min         3.616
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    4.111
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.5800
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 - Bruker AXS area detector scaling and absorption correction 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.819
_exptl_crystal_description       block
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.236
_exptl_crystal_size_mid          0.112
_exptl_crystal_size_min          0.102
_refine_diff_density_max         1.039
_refine_diff_density_min         -0.756
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.135
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     377
_refine_ls_number_reflns         8011
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.136
_refine_ls_R_factor_all          0.0272
_refine_ls_R_factor_gt           0.0222
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0159P)^2^+9.0321P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0481
_refine_ls_wR_factor_ref         0.0493
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7290
_reflns_number_total             8011
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt00254k2.cif
_cod_data_source_block           Gd-tetranuclear
_cod_depositor_comments
'Adding full bibliography for 7718498--7718510.cif.'
_cod_original_cell_volume        3494.8(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7718509
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.444
_shelx_estimated_absorpt_t_max   0.679
_shelx_res_checksum              11248