Single metal four-electron reduction by U(ii) and masked "U(ii)" compounds.
Modder, Dieuwertje K.; Palumbo, Chad T.; Douair, Iskander; Scopelliti, Rosario; Maron, Laurent; Mazzanti, Marinella; Chemical science 12 (2021) 6153–6158; doi:10.1039/d1sc00668a

data_1561190
_publ_section_title
;
 Single metal four-electron reduction by U(ii) and masked
 &quot;U(ii)&quot; compounds.
;
_journal_issue                   17
_journal_name_full               'Chemical science'
_journal_page_first              6153
_journal_page_last               6158
_journal_paper_doi               10.1039/d1sc00668a
_journal_volume                  12
_journal_year                    2021
_chemical_formula_moiety         'C72 H162 K2 N4 O24 Si6 U2, 1[(C7H8)]'
_chemical_formula_sum            'C72 H162 K2 N4 O24 Si6 U2'
_chemical_formula_weight         2190.85
_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     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/ccdc.csd.cc216xhp
_audit_creation_date             2018-08-20
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2018-12-06 deposited with the CCDC.	2021-03-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.012(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.382(2)
_cell_length_b                   17.661(3)
_cell_length_c                   21.819(4)
_cell_measurement_reflns_used    461
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22
_cell_measurement_theta_min      3
_cell_volume                     5538.6(16)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs, 1990-2000)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0447
_diffrn_reflns_av_unetI/netI     0.0430
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            97679
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.000
_diffrn_reflns_theta_min         2.074
_exptl_absorpt_coefficient_mu    3.118
_exptl_absorpt_correction_T_max  0.7463
_exptl_absorpt_correction_T_min  0.4825
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2008/1 (Bruker,2008) was used for absorption correction. wR2(int) was 0.0879 before and 0.0571 after correction. The Ratio of minimum to maximum transmission is 0.6465. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_description       prism
_exptl_crystal_F_000             2240
_exptl_crystal_size_max          0.479
_exptl_crystal_size_mid          0.312
_exptl_crystal_size_min          0.258
_refine_diff_density_max         4.561
_refine_diff_density_min         -2.717
_refine_diff_density_rms         0.213
_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     514
_refine_ls_number_reflns         19106
_refine_ls_number_restraints     1381
_refine_ls_restrained_S_all      1.142
_refine_ls_R_factor_all          0.1170
_refine_ls_R_factor_gt           0.0592
_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^)+(0.0294P)^2^+62.4474P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1241
_refine_ls_wR_factor_ref         0.1665
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12603
_reflns_number_total             19106
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc00668a2.cif
_cod_data_source_block           lc600
_cod_depositor_comments
'Adding full bibliography for 1561186--1561191.cif.'
_cod_original_cell_volume        5538.4(16)
_cod_database_code               1561190
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.500
_shelx_estimated_absorpt_t_min   0.317
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 C7-C5 \\sim C8-C5 \\sim C6-C5 \\sim C3-C1 \\sim C4-C1 \\sim C2-C1 \\sim C9-C11
\\sim C9-C10 \\sim C9-C12 ~
 C22-C21 \\sim C24-C21 \\sim C23-C21 \\sim C27-C25 \\sim C28-C25 \\sim C26-C25
\\sim C32-C29 \\sim C31-C29
 \\sim C30-C29 \\sim C47-C45 \\sim C48-C45 \\sim C46-C45 \\sim C50-C49 \\sim
C51-C49 \\sim C52-C49 \\sim C44-
 C41 \\sim C43-C41 \\sim C42-C41
 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
C1 \\sim C2 \\sim C3 \\sim C4 \\sim C5 \\sim C6 \\sim C7 \\sim C8 \\sim C9
\\sim C10 \\sim C11 \\sim C12 \\sim C21 \\sim C22 \\sim C23 \\sim C24 \\sim C25
\\sim C26 \\sim C27 \\sim C28 \\sim C29 \\sim C30 \\sim C31 \\sim C32 \\sim C41
\\sim C42 \\sim C43 \\sim C44 \\sim C45 \\sim C46 \\sim C47 \\sim C48 \\sim C49
\\sim C50 \\sim C51 \\sim C52: within 2A with sigma of 0.01 and sigma for
terminal atoms of 0.02
O1 \\sim O2 \\sim O3 \\sim O4 \\sim O21 \\sim O22 \\sim O23 \\sim O24 \\sim O41
\\sim O42 \\sim O43 \\sim O44: within 2A with sigma of 0.01 and sigma for
terminal atoms of 0.02
Uanis(C1) \\sim Ueq, Uanis(C2) \\sim Ueq, Uanis(C3) \\sim Ueq, Uanis(C4) \\sim
Ueq, Uanis(C5) \\sim Ueq, Uanis(C6) \\sim Ueq, Uanis(C7) \\sim Ueq, Uanis(C8)
\\sim Ueq, Uanis(C9) \\sim Ueq, Uanis(C10) \\sim Ueq, Uanis(C11) \\sim Ueq,
Uanis(C12) \\sim Ueq, Uanis(C21) \\sim Ueq, Uanis(C22) \\sim Ueq, Uanis(C23)
\\sim Ueq, Uanis(C24) \\sim Ueq, Uanis(C25) \\sim Ueq, Uanis(C26) \\sim Ueq,
Uanis(C27) \\sim Ueq, Uanis(C28) \\sim Ueq, Uanis(C29) \\sim Ueq, Uanis(C30)
\\sim Ueq, Uanis(C31) \\sim Ueq, Uanis(C32) \\sim Ueq, Uanis(C41) \\sim Ueq,
Uanis(C42) \\sim Ueq, Uanis(C43) \\sim Ueq, Uanis(C44) \\sim Ueq, Uanis(C45)
\\sim Ueq, Uanis(C46) \\sim Ueq, Uanis(C47) \\sim Ueq, Uanis(C48) \\sim Ueq,
Uanis(C49) \\sim Ueq, Uanis(C50) \\sim Ueq, Uanis(C51) \\sim Ueq, Uanis(C52)
\\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
Uanis(O1) \\sim Ueq, Uanis(O2) \\sim Ueq, Uanis(O3) \\sim Ueq, Uanis(O4) \\sim
Ueq, Uanis(O21) \\sim Ueq, Uanis(O22) \\sim Ueq, Uanis(O23) \\sim Ueq,
Uanis(O24) \\sim Ueq, Uanis(O41) \\sim Ueq, Uanis(O42) \\sim Ueq, Uanis(O43)
\\sim Ueq, Uanis(O44) \\sim Ueq: with sigma of 0.01 and sigma for terminal
atoms of 0.02
4. Rigid body (RIGU) restrains
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
5. Others
 Fixed Sof: N1(0.5) N2(0.5) N3(0.5) N4(0.5)
6.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), 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), C31(H31A,H31B,H31C), C32(H32A,H32B,H32C), C42(H42A,H42B,H42C), C43(H43A,
 H43B,H43C), C44(H44A,H44B,H44C), C46(H46A,H46B,H46C), C47(H47A,H47B,H47C),
 C48(H48A,H48B,H48C), C50(H50A,H50B,H50C), C51(H51A,H51B,H51C), C52(H52A,H52B,
 H52C)
;
_olex2_submission_special_instructions 'No special instructions were received'