Cooperative dihydrogen activation with unsupported uranium-metal bonds and characterization of a terminal U(iv) hydride.
Ward, Robert J.; Rungthanaphatsophon, Pokpong; Huang, Patrick; Kelley, Steven P.; Walensky, Justin R.; Chemical science 14 (2023) 12255–12263; doi:10.1039/d3sc04857h

data_1570164
_publ_section_title
;
 Cooperative dihydrogen activation with unsupported uranium-metal bonds
 and characterization of a terminal U(iv) hydride.
;
_journal_issue                   43
_journal_name_full               'Chemical science'
_journal_page_first              12255
_journal_page_last               12263
_journal_paper_doi               10.1039/d3sc04857h
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'C39 H56 Ga O U'
_chemical_formula_sum            'C39 H56 Ga O U'
_chemical_formula_weight         848.58
_chemical_properties_physical    Air-sensitive,Heat-sensitive,Radioactive
_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     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2022-06-07
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2023-05-19 deposited with the CCDC.	2023-10-23 downloaded from the CCDC.
;
_cell_angle_alpha                97.253(6)
_cell_angle_beta                 97.094(6)
_cell_angle_gamma                99.358(7)
_cell_formula_units_Z            2
_cell_length_a                   9.6007(18)
_cell_length_b                   12.037(2)
_cell_length_c                   16.215(3)
_cell_measurement_reflns_used    9924
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      26.79
_cell_measurement_theta_min      2.30
_cell_volume                     1814.2(6)
_computing_cell_refinement       'Bruker Apex3 V.2017.3-0/SAINT V8.38A'
_computing_data_collection       'Bruker Apex3 V.2017.3-0'
_computing_data_reduction        'Bruker Apex3 V.2017.3-0/SAINT V8.38A'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker VENTURE CMOS area detector'
_diffrn_measurement_method       'shutterless omega and phi scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0826
_diffrn_reflns_av_unetI/netI     0.0797
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            27377
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.985
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.902
_diffrn_reflns_theta_min         1.996
_diffrn_source                   'Incoatec IMuS microfocus Mo tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.227
_exptl_absorpt_correction_T_max  0.4910
_exptl_absorpt_correction_T_min  0.3735
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXScale'
_exptl_crystal_colour            'clear black'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    black
_exptl_crystal_density_diffrn    1.553
_exptl_crystal_description       block
_exptl_crystal_F_000             842
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: pentane'
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.100
_refine_diff_density_min         -2.086
_refine_diff_density_rms         0.197
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         7728
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0618
_refine_ls_R_factor_gt           0.0459
_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^)+(0.0249P)^2^+9.5475P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0938
_refine_ls_wR_factor_ref         0.0999
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6508
_reflns_number_total             7728
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc04857h5.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 1570163--1570169.cif.'
_cod_database_code               1570164
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.680
_shelx_estimated_absorpt_t_min   0.573
_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.a Aromatic/amide H refined with riding coordinates:
 C33(H33), C35(H35)
2.b Idealised Me refined as rotating group:
 C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C10(H10A,
 H10B,H10C), C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C18(H18A,H18B,H18C),
 C19(H19A,H19B,H19C), C20(H20A,H20B,H20C), C26(H26A,H26B,H26C), C27(H27A,H27B,
 H27C), C28(H28A,H28B,H28C), C29(H29A,H29B,H29C), C30(H30A,H30B,H30C), C37(H37A,
 H37B,H37C), C38(H38A,H38B,H38C), C39(H39A,H39B,H39C)
;
_shelx_res_checksum              64915
_olex2_submission_special_instructions 'No special instructions were received'