# Supplementary Material (ESI) for Chemical Communications # This journal is © The Royal Society of Chemistry 2002 data_global _journal_name_full Chem.Commun. _journal_coden_Cambridge 0182 loop_ _publ_author_name 'Michael Doran' 'Alexander J. Norquist' D.O'Hare _publ_contact_author_name "Prof Dermot O'Hare" _publ_contact_author_address ; Inorganic Chemistry Laboratory University of Oxford South Parks Rd Oxford OX1 3QR UNITED KINGDOM ; _publ_contact_author_email DERMOT.OHARE@CHEM.OX.AC.UK _publ_section_title ; [NC4H12]2[(UO2)6(H2O) 2(SO4)7]: the first organically templated actinide sulfate with a three dimensional framework structure ; data_ajn86 _database_code_CSD 195915 _audit_creation_date 2002-08-12T17:12:31-00:00 _audit_creation_method 'WinGX routine CIF_UPDATE' _audit_conform_dict_name cif_core.dic _audit_conform_dict_version 2.2 _audit_conform_dict_location ftp://ftp.iucr.org/pub/cif_core.dic #----------------------------------------------------------------------------# # CHEMICAL INFORMATION # #----------------------------------------------------------------------------# _chemical_name_systematic ; ? ; _chemical_formula_moiety 'C8 H28 N2 O42 S7 U6' _chemical_formula_structural 'C8 H28 N2 O42 S7 U6' _chemical_formula_sum 'C8 H28 N2 O42 S7 U6' _chemical_formula_weight 2476.89 _chemical_compound_source 'synthesis as described' #----------------------------------------------------------------------------# # UNIT CELL INFORMATION # #----------------------------------------------------------------------------# _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'C 2 2 21' _symmetry_space_group_name_Hall 'C 2c 2' _symmetry_Int_Tables_number 20 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z+1/2' 'x, -y, -z' '-x, y, -z+1/2' 'x+1/2, y+1/2, z' '-x+1/2, -y+1/2, z+1/2' 'x+1/2, -y+1/2, -z' '-x+1/2, y+1/2, -z+1/2' _cell_length_a 10.3466(2) _cell_length_b 18.5415(3) _cell_length_c 22.7001(4) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 4354.82(13) _cell_formula_units_Z 4 _cell_measurement_temperature 150(2) _cell_measurement_reflns_used 0 _cell_measurement_theta_min 0 _cell_measurement_theta_max 0 _cell_measurement_wavelength 0.71073 #----------------------------------------------------------------------------# # CRYSTAL INFORMATION # #----------------------------------------------------------------------------# _exptl_crystal_description prism _exptl_crystal_colour yellow _exptl_crystal_size_max 0.25 _exptl_crystal_size_mid 0.2 _exptl_crystal_size_min 0.1 _exptl_crystal_density_diffrn 3.772 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 4344 _exptl_special_details ; ? ; #----------------------------------------------------------------------------# # ABSORPTION CORRECTION # #----------------------------------------------------------------------------# _exptl_absorpt_coefficient_mu 22.691 _exptl_absorpt_correction_type sphere _exptl_absorpt_process_details ; Interpolation using Int.Tab. Vol. C (1992) p. 523,Tab. 6.3.3.3 for values of muR in the range 0-2.5, and Int.Tab. Vol.II (1959) p.302; Table 5.3.6 B for muR in the range 2.6-10.0. The interpolation procedure of C.W.Dwiggins Jr (Acta Cryst.(1975) A31,146-148) is used with some modification. ; _exptl_absorpt_correction_T_min 0.0194 _exptl_absorpt_correction_T_max 0.0386 _exptl_absorpt_correction_t_ave 0.031 #----------------------------------------------------------------------------# # DATA COLLECTION # #----------------------------------------------------------------------------# _diffrn_ambient_temperature 150(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_monochromator graphite _diffrn_radiation_probe x-ray _diffrn_reflns_av_unetI/netI 0.0437 _diffrn_reflns_number 4863 _diffrn_reflns_limit_h_min -13 _diffrn_reflns_limit_h_max 13 _diffrn_reflns_limit_k_min -23 _diffrn_reflns_limit_k_max 24 _diffrn_reflns_limit_l_min -29 _diffrn_reflns_limit_l_max 29 _diffrn_reflns_theta_min 5.16 _diffrn_reflns_theta_max 27.47 _diffrn_reflns_theta_full 27.47 _diffrn_measured_fraction_theta_full 0.987 _diffrn_measured_fraction_theta_max 0.987 _reflns_number_total 4863 _reflns_number_gt 4519 _reflns_threshold_expression >2sigma(I) #----------------------------------------------------------------------------# # COMPUTER PROGRAMS USED # #----------------------------------------------------------------------------# _computing_structure_solution 'SHELXS-97 (Sheldrick, 1997)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_molecular_graphics 'Ortep-3 for Windows (Farrugia, 1997)' _computing_publication_material 'WinGX publication routines (Farrugia, 1999)' #----------------------------------------------------------------------------# # REFINEMENT INFORMATION # #----------------------------------------------------------------------------# _refine_special_details ; Refinement of F^2^ against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The threshold expression of F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0450P)^2^+23.1466P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment mixed _refine_ls_extinction_method SHELXL _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_coef 0.00034(2) _refine_ls_number_reflns 4863 _refine_ls_number_parameters 299 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0377 _refine_ls_R_factor_gt 0.0331 _refine_ls_wR_factor_ref 0.0783 _refine_ls_wR_factor_gt 0.076 _refine_ls_goodness_of_fit_ref 1.038 _refine_ls_restrained_S_all 1.038 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.025(9) _refine_diff_density_max 1.982 _refine_diff_density_min -1.375 _refine_diff_density_rms 0.282 #----------------------------------------------------------------------------# # ATOMIC TYPES, COORDINATES AND THERMAL PARAMETERS # #----------------------------------------------------------------------------# loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0 0 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' S S 0.1246 0.1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' U U -9.6767 9.6646 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group U1 U 0.95670(4) 0.74398(2) 0.524522(15) 0.01800(11) Uani 1 1 d . . . U2 U 0.23963(4) 0.74546(2) 0.746163(15) 0.01780(11) Uani 1 1 d . . . U3 U 0.61635(4) 0.97027(2) 0.616374(15) 0.01745(11) Uani 1 1 d . . . S1 S 0.4896(2) 1.14857(13) 0.66300(10) 0.0160(5) Uani 1 1 d . . . S2 S 0.7405(2) 0.88579(13) 0.47936(11) 0.0170(5) Uani 1 1 d . . . S3 S 0.6509(2) 0.77115(14) 0.60483(10) 0.0170(5) Uani 1 1 d . . . S4 S 0.5 0.88699(19) 0.75 0.0176(7) Uani 1 2 d S . . O1 O 0.8568(8) 0.6862(4) 0.4835(3) 0.0241(17) Uani 1 1 d . . . O2 O 1.0564(8) 0.8017(4) 0.5662(3) 0.0193(15) Uani 1 1 d . . . O3 O 0.4373(7) 1.1602(4) 0.6032(3) 0.0213(16) Uani 1 1 d . . . O4 O 0.6337(9) 0.8332(5) 0.4800(4) 0.035(2) Uani 1 1 d . . . O5 O 0.5787(8) 0.7267(4) 0.5630(3) 0.0247(18) Uani 1 1 d . . . O6 O 0.8656(8) 0.8492(5) 0.4770(4) 0.0292(19) Uani 1 1 d . . . O7 O 0.7829(7) 0.7848(4) 0.5846(3) 0.0231(17) Uani 1 1 d . . . O8 O 0.6484(8) 0.6801(4) 0.7776(3) 0.0241(17) Uani 1 1 d . . . O9 O 0.1283(8) 0.8091(4) 0.7724(3) 0.0217(16) Uani 1 1 d . . . O10 O 0.3854(9) 0.8430(5) 0.7533(3) 0.034(2) Uani 1 1 d . . . O11 O 0.2725(9) 0.8054(5) 0.6467(3) 0.034(2) Uani 1 1 d . . . O12 O 0.5871(7) 1.2039(4) 0.6749(3) 0.0207(16) Uani 1 1 d . . . O13 O 0.3803(8) 1.1543(4) 0.7046(3) 0.0208(16) Uani 1 1 d . . . O14 O 0.6559(7) 0.7314(4) 0.6611(3) 0.0191(16) Uani 1 1 d . . . O15 O 0.7527(8) 0.9613(5) 0.6618(3) 0.0259(17) Uani 1 1 d . . . O16 O 0.4789(7) 0.9791(4) 0.5722(3) 0.0236(17) Uani 1 1 d . . . O17 O 0.7372(9) 0.9297(4) 0.5332(3) 0.0275(18) Uani 1 1 d . . . O18 O 0.7327(8) 1.0683(5) 0.5733(4) 0.0262(18) Uani 1 1 d . . . O19 O 0.5482(8) 1.0761(4) 0.6681(3) 0.0245(17) Uani 1 1 d . . . O20 O 0.4881(7) 0.9320(4) 0.6971(3) 0.0215(16) Uani 1 1 d . . . O21 O 0.5840(7) 0.8401(4) 0.6130(3) 0.0216(16) Uani 1 1 d . . . C1 C 0.0084(13) 0.0687(8) 0.6596(6) 0.037(3) Uani 1 1 d . . . H1A H -0.0399 0.0931 0.6282 0.056 Uiso 1 1 calc R . . H1B H 0.0536 0.1047 0.6836 0.056 Uiso 1 1 calc R . . H1C H -0.0517 0.0415 0.6845 0.056 Uiso 1 1 calc R . . N1 N 0.1023(10) 0.0194(6) 0.6335(5) 0.039(3) Uani 1 1 d . . . C3 C 0.1985(17) -0.0080(11) 0.6767(10) 0.074(6) Uani 1 1 d . . . H3A H 0.1536 -0.0332 0.7087 0.111 Uiso 1 1 calc R . . H3B H 0.2477 0.0325 0.693 0.111 Uiso 1 1 calc R . . H3C H 0.2577 -0.0415 0.657 0.111 Uiso 1 1 calc R . . C4 C 0.0380(17) -0.0374(10) 0.6010(12) 0.088(8) Uani 1 1 d . . . H4A H -0.0153 -0.0659 0.6281 0.132 Uiso 1 1 calc R . . H4B H 0.1027 -0.0686 0.5825 0.132 Uiso 1 1 calc R . . H4C H -0.0171 -0.016 0.5706 0.132 Uiso 1 1 calc R . . C2 C 0.1789(19) 0.0616(10) 0.5889(10) 0.068(6) Uani 1 1 d . . . H2A H 0.2355 0.0288 0.5669 0.103 Uiso 1 1 calc R . . H2B H 0.2315 0.098 0.6091 0.103 Uiso 1 1 calc R . . H2C H 0.1196 0.0856 0.5615 0.103 Uiso 1 1 calc R . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 U1 0.01909(19) 0.0178(2) 0.01711(17) 0.00123(15) 0.00077(13) 0.00212(16) U2 0.01882(19) 0.0174(2) 0.01714(18) 0.00031(16) -0.00061(13) -0.00206(17) U3 0.02025(19) 0.0147(2) 0.01737(18) 0.00067(15) 0.00173(15) 0.00016(16) S1 0.0195(12) 0.0145(12) 0.0140(11) 0.0007(9) 0.0022(9) -0.0013(10) S2 0.0193(12) 0.0124(12) 0.0191(11) 0.0019(9) -0.0017(10) 0.0002(10) S3 0.0188(12) 0.0153(13) 0.0170(11) 0.0004(9) -0.0019(9) 0.0025(9) S4 0.0190(17) 0.0130(18) 0.0209(16) 0 -0.0007(14) 0 O1 0.036(5) 0.014(4) 0.022(4) -0.004(3) -0.002(3) 0.002(3) O2 0.030(4) 0.008(4) 0.020(3) 0.002(3) 0.002(3) -0.005(3) O3 0.027(4) 0.025(4) 0.012(3) -0.001(3) -0.001(3) -0.002(3) O4 0.040(5) 0.033(5) 0.032(4) 0.014(4) -0.013(4) -0.013(4) O5 0.027(4) 0.027(5) 0.020(4) 0.003(3) -0.002(3) 0.005(3) O6 0.030(5) 0.033(5) 0.025(4) 0.012(3) 0.007(4) 0.013(4) O7 0.016(4) 0.029(5) 0.024(4) 0.002(3) 0.001(3) 0.006(3) O8 0.030(4) 0.016(4) 0.027(4) 0.002(3) 0.003(3) -0.001(3) O9 0.027(4) 0.014(4) 0.023(4) 0.002(3) -0.003(3) -0.004(3) O10 0.041(5) 0.045(5) 0.016(3) 0.004(4) 0.001(4) -0.018(4) O11 0.045(5) 0.036(5) 0.022(4) 0.007(4) -0.005(4) -0.014(4) O12 0.022(4) 0.015(4) 0.025(4) 0.001(3) 0.004(3) -0.006(3) O13 0.022(4) 0.016(4) 0.024(4) 0.000(3) -0.005(3) 0.002(3) O14 0.023(4) 0.017(4) 0.018(3) -0.001(3) 0.005(3) -0.004(3) O15 0.027(4) 0.031(5) 0.020(3) 0.002(3) -0.004(3) 0.001(4) O16 0.025(4) 0.024(4) 0.022(3) 0.003(3) -0.003(3) -0.005(3) O17 0.043(5) 0.018(4) 0.022(4) 0.000(3) 0.010(4) 0.004(4) O18 0.025(4) 0.026(5) 0.027(4) 0.003(3) 0.006(3) 0.003(4) O19 0.026(4) 0.024(4) 0.024(4) 0.005(3) 0.006(3) 0.005(3) O20 0.022(4) 0.024(4) 0.019(4) 0.004(3) -0.002(3) -0.004(3) O21 0.028(4) 0.016(4) 0.020(3) -0.003(3) 0.001(3) 0.003(3) N1 0.033(6) 0.033(7) 0.052(7) -0.017(5) -0.003(5) 0.005(5) C1 0.029(6) 0.044(8) 0.038(7) -0.005(6) -0.002(6) 0.003(6) C2 0.059(11) 0.040(10) 0.106(15) 0.009(10) 0.031(11) -0.008(8) C3 0.053(10) 0.062(13) 0.108(16) 0.031(11) -0.025(11) 0.011(9) C4 0.041(9) 0.060(12) 0.16(2) -0.085(14) 0.029(11) -0.019(9) #----------------------------------------------------------------------------# # MOLECULAR GEOMETRY # #----------------------------------------------------------------------------# _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag U1 O1 1.757(8) . ? U1 O2 1.761(7) . ? U1 O3 2.377(7) 5_545 ? U1 O4 2.327(9) 7_566 ? U1 O5 2.416(7) 7_566 ? U1 O6 2.420(8) . ? U1 O7 2.380(7) . ? U2 O8 1.761(8) 4_656 ? U2 O9 1.753(8) . ? U2 O10 2.360(9) . ? U2 O11 2.540(8) . ? U2 O12 2.387(7) 5_445 ? U2 O13 2.376(8) 8_546 ? U2 O14 2.381(7) 4_656 ? U3 O15 1.755(8) . ? U3 O16 1.748(7) . ? U3 O17 2.386(8) . ? U3 O18 2.389(8) . ? U3 O19 2.394(8) . ? U3 O20 2.372(7) . ? U3 O21 2.438(7) . ? S1 O3 1.476(7) . ? S1 O12 1.464(8) . ? S1 O13 1.477(8) . ? S1 O19 1.478(8) . ? S2 O4 1.474(9) . ? S2 O6 1.462(8) . ? S2 O17 1.469(8) . ? S2 O18 1.471(8) 3_576 ? S3 O5 1.463(8) . ? S3 O7 1.464(8) . ? S3 O14 1.475(7) . ? S3 O21 1.466(8) . ? S4 O10 1.442(9) 4_656 ? S4 O20 1.467(7) . ? N1 C1 1.460(17) . ? N1 C2 1.51(2) . ? N1 C3 1.486(19) . ? N1 C4 1.447(18) . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag O1 U1 O2 179.6(4) . . ? O1 U1 O4 93.7(4) . 7_566 ? O2 U1 O4 86.4(4) . 7_566 ? O1 U1 O3 87.1(3) . 5_545 ? O2 U1 O3 92.5(3) . 5_545 ? O4 U1 O3 72.4(3) 7_566 5_545 ? O1 U1 O7 93.1(3) . . ? O2 U1 O7 86.7(3) . . ? O4 U1 O7 144.7(3) 7_566 . ? O3 U1 O7 73.4(3) 5_545 . ? O1 U1 O5 90.5(3) . 7_566 ? O2 U1 O5 89.9(3) . 7_566 ? O4 U1 O5 72.0(3) 7_566 7_566 ? O3 U1 O5 144.1(3) 5_545 7_566 ? O7 U1 O5 142.6(3) . 7_566 ? O1 U1 O6 91.5(3) . . ? O2 U1 O6 88.7(3) . . ? O4 U1 O6 141.5(3) 7_566 . ? O3 U1 O6 146.0(3) 5_545 . ? O7 U1 O6 72.8(3) . . ? O5 U1 O6 69.8(3) 7_566 . ? O9 U2 O8 177.9(3) . 4_656 ? O9 U2 O10 83.1(4) . . ? O8 U2 O10 97.4(4) 4_656 . ? O9 U2 O13 88.6(3) . 8_546 ? O8 U2 O13 89.9(3) 4_656 8_546 ? O10 U2 O13 147.8(3) . 8_546 ? O9 U2 O14 94.1(3) . 4_656 ? O8 U2 O14 84.1(3) 4_656 4_656 ? O10 U2 O14 74.5(3) . 4_656 ? O13 U2 O14 75.1(2) 8_546 4_656 ? O9 U2 O12 90.8(3) . 5_445 ? O8 U2 O12 90.3(3) 4_656 5_445 ? O10 U2 O12 135.8(3) . 5_445 ? O13 U2 O12 75.1(2) 8_546 5_445 ? O14 U2 O12 149.7(2) 4_656 5_445 ? O9 U2 O11 95.5(3) . . ? O8 U2 O11 86.6(3) 4_656 . ? O10 U2 O11 68.9(3) . . ? O13 U2 O11 143.1(3) 8_546 . ? O14 U2 O11 140.7(3) 4_656 . ? O12 U2 O11 68.1(3) 5_445 . ? O16 U3 O15 179.1(3) . . ? O16 U3 O20 90.9(3) . . ? O15 U3 O20 88.2(3) . . ? O16 U3 O17 90.1(3) . . ? O15 U3 O17 90.8(3) . . ? O20 U3 O17 144.1(3) . . ? O16 U3 O18 96.0(3) . . ? O15 U3 O18 84.7(3) . . ? O20 U3 O18 145.7(3) . . ? O17 U3 O18 69.7(3) . . ? O16 U3 O19 88.0(3) . . ? O15 U3 O19 91.5(3) . . ? O20 U3 O19 72.6(3) . . ? O17 U3 O19 143.2(3) . . ? O18 U3 O19 74.0(3) . . ? O16 U3 O21 87.9(3) . . ? O15 U3 O21 92.0(3) . . ? O20 U3 O21 69.6(3) . . ? O17 U3 O21 74.6(3) . . ? O18 U3 O21 144.1(3) . . ? O19 U3 O21 141.9(3) . . ? O12 S1 O3 108.7(4) . . ? O12 S1 O13 111.0(4) . . ? O3 S1 O13 107.2(5) . . ? O12 S1 O19 109.8(5) . . ? O3 S1 O19 110.8(5) . . ? O13 S1 O19 109.3(4) . . ? O6 S2 O17 108.0(5) . . ? O6 S2 O18 106.7(5) . 3_576 ? O17 S2 O18 110.8(5) . 3_576 ? O6 S2 O4 110.9(6) . . ? O17 S2 O4 109.9(5) . . ? O18 S2 O4 110.5(5) 3_576 . ? O5 S3 O7 111.7(5) . . ? O5 S3 O21 109.4(5) . . ? O7 S3 O21 109.2(5) . . ? O5 S3 O14 107.4(4) . . ? O7 S3 O14 109.0(4) . . ? O21 S3 O14 110.0(4) . . ? O10 S4 O10 111.0(8) 4_656 . ? O10 S4 O20 107.2(5) 4_656 4_656 ? O10 S4 O20 110.4(5) . 4_656 ? O10 S4 O20 110.4(5) 4_656 . ? O10 S4 O20 107.2(4) . . ? O20 S4 O20 110.7(6) 4_656 . ? S2 O17 U3 147.7(5) . . ? S2 O6 U1 134.6(5) . . ? S4 O10 U2 162.9(6) . . ? S1 O19 U3 145.9(5) . . ? S2 O18 U3 143.2(5) 3_576 . ? S2 O4 U1 175.4(5) . 7_466 ? S1 O3 U1 139.0(5) . 5_455 ? S1 O13 U2 138.8(5) . 8_556 ? S4 O20 U3 139.1(5) . . ? S3 O14 U2 136.6(4) . 4_656 ? S1 O12 U2 143.8(4) . 5 ? S3 O21 U3 143.4(5) . . ? S3 O5 U1 132.3(5) . 7_466 ? S3 O7 U1 146.1(5) . . ? C4 N1 C1 110.8(11) . . ? C4 N1 C3 113.3(16) . . ? C1 N1 C3 113.1(13) . . ? C4 N1 C2 106.1(16) . . ? C1 N1 C2 107.3(13) . . ? C3 N1 C2 105.6(13) . . ?