Mixed-Ligand Uranyl Polyrotaxanes Incorporating a Sulfate/Oxalate Coligand: Achieving Structural Diversity via pH-Dependent Competitive Effect
Xie, Zhen-ni; Mei, Lei; Hu, Kong-qiu; Xia, Liang-shu; Chai, Zhi-fang; Shi, Wei-qun; Inorganic Chemistry  (2017) –; doi:10.1021/acs.inorgchem.6b02515

data_4345528
_publ_section_title
;
 Mixed-Ligand Uranyl Polyrotaxanes Incorporating a Sulfate/Oxalate
 Coligand: Achieving Structural Diversity via pH-Dependent Competitive
 Effect
;
_journal_name_full               'Inorganic Chemistry'
_journal_paper_doi               10.1021/acs.inorgchem.6b02515
_journal_year                    2017
_chemical_formula_sum            'C28 H28 N13 O17 U2'
_chemical_formula_weight         1294.69
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 111.563(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.8932(11)
_cell_length_b                   12.9624(8)
_cell_length_c                   20.0984(14)
_cell_measurement_reflns_used    9883
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      27.28
_cell_measurement_theta_min      2.91
_cell_volume                     4335.4(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-III CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0678
_diffrn_reflns_av_unetI/netI     0.0510
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            57469
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.484
_diffrn_reflns_theta_min         2.773
_exptl_absorpt_coefficient_mu    7.542
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.984
_exptl_crystal_description       block
_exptl_crystal_F_000             2428
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.27
_refine_diff_density_max         1.211
_refine_diff_density_min         -0.763
_refine_diff_density_rms         0.141
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     541
_refine_ls_number_reflns         9927
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0620
_refine_ls_R_factor_gt           0.0350
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0311P)^2^+7.6325P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0655
_refine_ls_wR_factor_ref         0.0725
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7445
_reflns_number_total             9927
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b02515_si_002.cif
_cod_data_source_block           UPO4
_cod_database_code               4345528
_shelxl_version_number           2014-3
_shelx_res_checksum              10031
_shelx_hkl_checksum              4061
_shelx_fab_checksum              97134