Isolation of Uranyl Dicyanamide Complexes from N-Donor Ionic Liquids.
Kelley, Steven P.; Rogers, Robin D.; Inorganic chemistry 54 (2015) 10323–10334; doi:10.1021/acs.inorgchem.5b01699

data_4346572
_publ_section_title
;
 Isolation of Uranyl Dicyanamide Complexes from N-Donor Ionic Liquids.
;
_journal_issue                   21
_journal_name_full               'Inorganic chemistry'
_journal_page_first              10323
_journal_page_last               10334
_journal_paper_doi               10.1021/acs.inorgchem.5b01699
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'C16 H22 N14 O16 U2'
_chemical_formula_weight         1142.53
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 110.4520(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.7642(3)
_cell_length_b                   14.3103(4)
_cell_length_c                   10.9061(3)
_cell_measurement_reflns_used    9861
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      34.84
_cell_measurement_theta_min      2.45
_cell_volume                     1574.07(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0372
_diffrn_reflns_av_unetI/netI     0.0278
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            36317
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         34.883
_diffrn_reflns_theta_min         2.449
_exptl_absorpt_coefficient_mu    10.367
_exptl_absorpt_correction_T_max  0.7469
_exptl_absorpt_correction_T_min  0.5384
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXScale'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.411
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.090
_refine_diff_density_max         1.631
_refine_diff_density_min         -1.027
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.967
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         6854
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.967
_refine_ls_R_factor_all          0.0262
_refine_ls_R_factor_gt           0.0192
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0176P)^2^+1.4802P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0420
_refine_ls_wR_factor_ref         0.0443
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5905
_reflns_number_total             6854
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b01699_si_002.cif
_cod_data_source_block           '[C2mim]2[(UO2)(NO3)2N(CN)2)2]'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4346572
_shelx_estimated_absorpt_t_min   0.209
_shelx_estimated_absorpt_t_max   0.456
_shelxl_version_number           2013-4
_shelx_res_checksum              19109
_shelx_hkl_checksum              9666