Heterobimetallic uranyl(vi) alkoxides of lanthanoids: formation through simple ligand exchange
Grödler, Dennis; Weidemann, Martin L.; Lichtenberg, Andreas; Greven, Tobias; Nickstadt, Robin; Haydo, Malek; Wickleder, Mathias; Klein, Axel; Johrendt, Dirk; Mathur, Sanjay; Zegke, Markus; Raauf, Aida; Chemical Communications  (2022) –; doi:10.1039/D1CC05444A

data_7129442
_publ_section_title
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 Heterobimetallic uranyl(vi) alkoxides of lanthanoids: formation through
 simple ligand exchange
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D1CC05444A
_journal_year                    2022
_chemical_formula_moiety         '2(C30 H66 Nd2 O11 U), 2(C6 H6)'
_chemical_formula_sum            'C72 H144 Nd4 O22 U2'
_chemical_formula_weight         2414.88
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2021-09-15
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2021-11-17 deposited with the CCDC.	2021-12-14 downloaded from the CCDC.
;
_cell_angle_alpha                104.640(3)
_cell_angle_beta                 90.796(4)
_cell_angle_gamma                106.853(3)
_cell_formula_units_Z            2
_cell_length_a                   15.2728(7)
_cell_length_b                   16.2896(7)
_cell_length_c                   20.7284(9)
_cell_measurement_reflns_used    2000
_cell_measurement_temperature    100
_cell_measurement_theta_max      26.88
_cell_measurement_theta_min      1.63
_cell_volume                     4754.0(4)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'IPDS II (Stoe & Cie)'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1982
_diffrn_reflns_av_unetI/netI     0.1326
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            108865
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.985
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.881
_diffrn_reflns_theta_min         1.627
_exptl_absorpt_coefficient_mu    5.597
_exptl_absorpt_correction_T_max  0.4685
_exptl_absorpt_correction_T_min  0.4685
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
The absorption correction (X-RED; Stoe & Cie, 2001) 
was performed after optimizing the crystal shape 
using X-SHAPE (Stoe & Cie, 1999).
;
_exptl_crystal_colour            'clear light orange'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.687
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2352
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.431
_refine_diff_density_min         -3.067
_refine_diff_density_rms         0.215
_refine_ls_extinction_coef       0.00039(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   0.872
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     878
_refine_ls_number_reflns         20211
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.873
_refine_ls_R_factor_all          0.1111
_refine_ls_R_factor_gt           0.0494
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0448P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0969
_refine_ls_wR_factor_ref         0.1179
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10715
_reflns_number_total             20211
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc05444a2.cif
_cod_data_source_block           uo2nd
_cod_database_code               7129442
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(C52) \\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
3.a Me refined with riding coordinates:
 C2(H2A,H2B,H2C), C3(H3A,H3B,H3C), C4(H4A,H4B,H4C), C6(H6A,H6B,H6C), C7(H7A,
 H7B,H7C), C8(H8A,H8B,H8C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C12(H12A,
 H12B,H12C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C),
 C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C20(H20A,H20B,H20C), C22(H22A,H22B,
 H22C), C23(H23A,H23B,H23C), C24(H24A,H24B,H24C), C26(H26A,H26B,H26C), C27(H27A,
 H27B,H27C), C28(H28A,H28B,H28C), C30(H30A,H30B,H30C), C32(H32A,H32B,H32C),
 C33(H33A,H33B,H33C), C34(H34A,H34B,H34C), C36(H36A,H36B,H36C), C37(H37A,H37B,
 H37C), C38(H38A,H38B,H38C), C40(H40A,H40B,H40C), C41(H41A,H41B,H41C), C42(H42A,
 H42B,H42C), C44(H44A,H44B,H44C), C45(H45A,H45B,H45C), C46(H46A,H46B,H46C),
 C48(H48A,H48B,H48C), C49(H49A,H49B,H49C), C50(H50A,H50B,H50C), C52(H52A,H52B,
 H52C), C53(H53A,H53B,H53C), C54(H54A,H54B,H54C), C56(H56A,H56B,H56C), C57(H57A,
 H57B,H57C), C58(H58A,H58B,H58C), C60(H60A,H60B,H60C)
3.b Aromatic/amide H refined with riding coordinates:
 C62(H62), C63(H63), C64(H64), C65(H65), C66(H66), C61(H61), C67(H67),
 C68(H68), C69(H69), C70(H70), C71(H71), C72(H72)
3.c Fitted hexagon refined as free rotating group:
 C62(C63,C64,C65,C66,C61), C67(C68,C69,C70,C71,C72)
;
_olex2_submission_special_instructions 'No special instructions were received'