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_4345525
_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 N14 O17 U'
_chemical_formula_weight         1070.67
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                64.776(2)
_cell_angle_beta                 82.741(2)
_cell_angle_gamma                79.506(2)
_cell_formula_units_Z            2
_cell_length_a                   12.3767(6)
_cell_length_b                   12.4099(6)
_cell_length_c                   12.8991(5)
_cell_measurement_reflns_used    9748
_cell_measurement_temperature    304(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      3.21
_cell_volume                     1759.68(14)
_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      304(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.995
_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  0.0260
_diffrn_reflns_av_unetI/netI     0.0186
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            42974
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.483
_diffrn_reflns_theta_min         3.011
_exptl_absorpt_coefficient_mu    4.713
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.021
_exptl_crystal_description       block
_exptl_crystal_F_000             1044
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.209
_refine_diff_density_min         -1.005
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     551
_refine_ls_number_reflns         8034
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0229
_refine_ls_R_factor_gt           0.0208
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0260P)^2^+2.4979P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0548
_refine_ls_wR_factor_ref         0.0560
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7587
_reflns_number_total             8034
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b02515_si_002.cif
_cod_data_source_block           UPO1
_cod_database_code               4345525
_shelxl_version_number           2014-3
_shelx_res_checksum              9926
_shelx_hkl_checksum              42106