Organically templated uranium(IV) fluorooxalates with layer structures: (H4TREN)[U2F6(C2O4)3].4H2O (TREN = tris(2-aminoethyl)amine) and (H4APPIP)[U2F6(C2O4)3].4H2O (APPIP = 1,4-bis(3-amino-propyl)piperazine).
Wang, Chih-Min; Wu, Yi-Ying; Chen, Pei-Lin; Lii, Kwang-Hwa; Dalton transactions (Cambridge, England : 2003)  (2007) 1034–1037; doi:10.1039/b617333k

data_7005169
_publ_section_title
;
 Organically templated uranium(IV) fluorooxalates with layer
 structures: (H4TREN)[U2F6(C2O4)3].4H2O (TREN =
 tris(2-aminoethyl)amine) and (H4APPIP)[U2F6(C2O4)3].4H2O (APPIP =
 1,4-bis(3-amino-propyl)piperazine).
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1034
_journal_page_last               1037
_journal_paper_doi               10.1039/b617333k
_journal_year                    2007
_chemical_formula_moiety         (C10H28N4)[U2F6(C2O4)3].4H2O
_chemical_formula_sum            'C16 H36 F6 N4 O16 U2'
_chemical_formula_weight         1130.55
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 95.430(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3309(8)
_cell_length_b                   15.5639(11)
_cell_length_c                   17.5369(11)
_cell_measurement_temperature    296(2)
_cell_volume                     2807.1(3)
_computing_molecular_graphics    Diamond
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0332
_diffrn_reflns_av_sigmaI/netI    0.0327
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            23468
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    11.644
_exptl_absorpt_correction_T_max  0.955
_exptl_absorpt_correction_T_min  0.385
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS program'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    2.675
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2104
_exptl_crystal_size_max          0.078
_exptl_crystal_size_mid          0.078
_exptl_crystal_size_min          0.052
_refine_diff_density_max         1.759
_refine_diff_density_min         -1.202
_refine_diff_density_rms         0.148
_refine_ls_extinction_coef       0.00017(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         6305
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0345
_refine_ls_R_factor_gt           0.0249
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0253P)^2^+8.2404P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0590
_refine_ls_wR_factor_ref         0.0626
_reflns_number_gt                5121
_reflns_number_total             6305
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b617333k.txt
_cod_data_source_block           ufox-2
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7005169