# Supplementary Material (ESI) for Perkin Transactions # This journal is © The Royal Society of Chemistry, 2001 # CCDC Number: 207/502 data_compound-7b #------------------------------------------------------------------------------ _audit_creation_date 'Sun Oct 9 04:01:25 2000' _audit_creation_method 'from TEXRAY.INF file' _audit_update_record ? #------------------------------------------------------------------------------ _computing_data_collection 'MSC/AFC Diffractometer Control' _computing_cell_refinement 'MSC/AFC Diffractometer Control' _computing_data_reduction 'teXsan: PROCESS (MSC)' _computing_structure_solution SIR88 _computing_structure_refinement 'teXsan: LS (MSC)' _computing_publication_material 'teXsan: FINISH (MSC)' #------------------------------------------------------------------------------ _cell_length_a 13.214(7) _cell_length_b 14.200(5) _cell_length_c 14.463(7) _cell_angle_alpha 90 _cell_angle_beta 103.31(4) _cell_angle_gamma 90 _cell_volume 2641(2) _cell_formula_units_Z 4.00 _cell_measurement_temperature 23.0 _cell_measurement_reflns_used 25 _cell_measurement_theta_min 9.06 _cell_measurement_theta_max 11.49 #------------------------------------------------------------------------------ _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 21/n ' _symmetry_Int_Tables_number 14 _symmetry_space_group_name_Hall ? loop_ _symmetry_equiv_pos_as_xyz ' +x, +y, +z' '1/2-x,1/2+y,1/2-z' ' -x, -y, -z' '1/2+x,1/2-y,1/2+z' #------------------------------------------------------------------------------ _exptl_crystal_description 'prisms' _exptl_crystal_colour 'colorless' _exptl_crystal_size_max 0.250 _exptl_crystal_size_mid ? _exptl_crystal_size_min 0.200 _exptl_crystal_density_diffrn 1.573 _exptl_crystal_density_measured ? _exptl_crystal_F000 1264.00 _exptl_absorpt_coefficient_mu_cm 16.380 #------------------------------------------------------------------------------ _diffrn_special_details none _diffrn_ambient_temperature 23.0 _diffrn_radiation_wavelength 0.7107 _diffrn_radiation_type MoKalpha _diffrn_radiation_source 'Rigaku rotating anode' _diffrn_radiation_monochromator graphite _diffrn_radiation_detector ? _diffrn_measurement_device 'AFC5R' _diffrn_measurement_method 'omega/2-theta scans' _diffrn_standards_number 3 _diffrn_standards_interval_count 150 _diffrn_standards_decay_\% -4.61 loop_ _diffrn_standard_refln_index_h _diffrn_standard_refln_index_k _diffrn_standard_refln_index_l ? ? ? ? ? ? ? ? ? _diffrn_reflns_number 6577 _diffrn_reflns_av_R_equivalents 7.83 _diffrn_reflns_av_sigmaI/Inet ? _diffrn_reflns_h_min 0 _diffrn_reflns_h_max 17 _diffrn_reflns_k_min 0 _diffrn_reflns_k_max 18 _diffrn_reflns_l_min -2 _diffrn_reflns_l_max 18 _diffrn_theta_min ? _diffrn_theta_max 27.4926 _diffrn_reflns_reduction_process ? _diffrn_orient_matrix_11 0.05147 _diffrn_orient_matrix_12 -0.05239 _diffrn_orient_matrix_13 0.00442 _diffrn_orient_matrix_21 -0.01182 _diffrn_orient_matrix_22 -0.01789 _diffrn_orient_matrix_23 0.06356 _diffrn_orient_matrix_31 -0.05709 _diffrn_orient_matrix_32 -0.04353 _diffrn_orient_matrix_33 -0.03144 #------------------------------------------------------------------------------ loop_ _atom_type_symbol _atom_type_oxidation_number _atom_type_number_in_cell _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Se 0 4 -0.093 2.226 'International Tables' S 0 8 0.125 0.123 'International Tables' F 0 12 0.017 0.010 'International Tables' O 0 20 0.011 0.006 'International Tables' C 0 108 0.003 0.002 'International Tables' H 0 84 0.000 0.000 'International Tables' #------------------------------------------------------------------------------ loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag _atom_site_calc_attached_atom Se1 0.43281(7) 0.42583(6) 0.82652(6) 0.0443(3) Uij ? ? S1 0.6367(2) 0.3408(2) 0.7360(2) 0.0545(9) Uij ? ? S2 0.3884(2) 0.6941(2) 0.9111(2) 0.0536(9) Uij ? ? F1 0.4517(5) 0.8482(4) 0.8454(5) 0.123(3) Uij ? ? F2 0.5648(4) 0.7817(4) 0.9502(4) 0.110(3) Uij ? ? F3 0.4427(5) 0.8572(4) 0.9871(5) 0.131(3) Uij ? ? O1 0.6279(4) 0.3362(4) 0.6348(4) 0.072(2) Uij ? ? O2 0.6253(4) 0.4311(4) 0.7779(4) 0.067(2) Uij ? ? O3 0.4157(5) 0.6562(4) 1.0052(4) 0.081(3) Uij ? ? O4 0.2856(4) 0.7267(5) 0.8807(4) 0.082(3) Uij ? ? O5 0.4274(5) 0.6410(4) 0.8452(4) 0.091(3) Uij ? ? C1 0.4566(6) 0.2983(5) 0.7879(5) 0.041(3) Uij ? ? C2 0.5362(6) 0.2646(5) 0.7582(5) 0.040(3) Uij ? ? C3 0.7520(6) 0.2867(6) 0.7946(6) 0.048(3) Uij ? ? C4 0.7764(8) 0.2818(6) 0.8921(7) 0.060(4) Uij ? ? C5 0.8624(9) 0.2292(8) 0.9364(7) 0.084(4) Uij ? ? C6 0.9231(7) 0.1856(8) 0.8860(9) 0.083(4) Uij ? ? C7 0.8970(8) 0.1906(7) 0.7891(8) 0.073(4) Uij ? ? C8 0.8114(8) 0.2415(7) 0.7433(6) 0.064(4) Uij ? ? C9 0.5397(7) 0.1648(6) 0.7312(6) 0.042(3) Uij ? ? C10 0.4648(8) 0.1329(7) 0.6569(7) 0.083(4) Uij ? ? C11 0.4653(9) 0.0397(8) 0.6302(8) 0.098(5) Uij ? ? C12 0.5394(8) -0.0211(7) 0.6763(9) 0.079(4) Uij ? ? C13 0.6113(8) 0.0104(7) 0.7515(8) 0.085(4) Uij ? ? C14 0.6110(8) 0.1033(6) 0.7788(7) 0.077(4) Uij ? ? C15 0.3473(6) 0.4704(5) 0.7067(6) 0.047(3) Uij ? ? C16 0.3847(7) 0.4675(7) 0.6262(7) 0.072(4) Uij ? ? C17 0.3291(9) 0.5060(8) 0.5431(7) 0.087(4) Uij ? ? C18 0.2374(9) 0.5493(8) 0.5415(7) 0.086(4) Uij ? ? C19 0.2005(8) 0.5530(7) 0.6223(8) 0.083(4) Uij ? ? C20 0.2560(7) 0.5139(7) 0.7048(6) 0.072(4) Uij ? ? C21 0.3246(6) 0.3912(6) 0.8903(6) 0.043(3) Uij ? ? C22 0.3336(6) 0.4330(7) 0.9797(6) 0.056(3) Uij ? ? C23 0.2612(8) 0.4074(7) 1.0314(6) 0.070(4) Uij ? ? C24 0.1837(8) 0.3445(8) 0.9930(8) 0.074(4) Uij ? ? C25 0.1771(7) 0.3052(7) 0.9044(8) 0.071(4) Uij ? ? C26 0.2461(7) 0.3303(6) 0.8520(6) 0.058(3) Uij ? ? C27 0.4646(9) 0.8007(7) 0.9239(8) 0.072(4) Uij ? ? H1 0.4033 0.2542 0.7909 0.1176 Uij ? ? H2 0.7355 0.3138 0.9282 0.0704 Uij ? ? H3 0.8791 0.2235 1.0037 0.0984 Uij ? ? H4 0.9834 0.1519 0.9176 0.0943 Uij ? ? H5 0.9381 0.1586 0.7529 0.0830 Uij ? ? H6 0.7938 0.2450 0.6758 0.0697 Uij ? ? H7 0.4126 0.1744 0.6237 0.0989 Uij ? ? H8 0.4126 0.0176 0.5786 0.0874 Uij ? ? H9 0.5404 -0.0846 0.6556 0.0891 Uij ? ? H10 0.6624 -0.0316 0.7861 0.0926 Uij ? ? H11 0.6622 0.1247 0.8323 0.0899 Uij ? ? H12 0.4498 0.4386 0.6276 0.0756 Uij ? ? H13 0.3547 0.5023 0.4870 0.0984 Uij ? ? H14 0.1990 0.5770 0.4843 0.0958 Uij ? ? H15 0.1358 0.5828 0.6208 0.0924 Uij ? ? H16 0.2301 0.5172 0.7608 0.0787 Uij ? ? H17 0.3869 0.4769 1.0042 0.0875 Uij ? ? H18 0.2650 0.4334 1.0927 0.0811 Uij ? ? H19 0.1339 0.3276 1.0281 0.0843 Uij ? ? H20 0.1241 0.2605 0.8800 0.0808 Uij ? ? H21 0.2396 0.3060 0.7897 0.0814 Uij ? ? loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Se1 0.0472(5) 0.0388(5) 0.0460(5) 0.0007(6) 0.0087(4) -0.0011(6) S1 0.058(2) 0.045(2) 0.066(2) -0.003(1) 0.024(1) 0.006(1) S2 0.054(2) 0.055(2) 0.055(2) -0.007(1) 0.017(1) -0.007(1) F1 0.133(6) 0.095(5) 0.132(6) -0.021(4) 0.014(5) 0.059(5) F2 0.065(4) 0.092(5) 0.158(6) -0.021(4) -0.004(4) 0.001(4) F3 0.169(7) 0.083(5) 0.136(6) -0.009(5) 0.029(5) -0.053(5) O1 0.088(5) 0.076(5) 0.060(4) 0.005(4) 0.029(4) 0.018(4) O2 0.066(4) 0.040(4) 0.102(5) -0.007(4) 0.032(4) 0.000(4) O3 0.089(5) 0.086(5) 0.069(5) 0.019(4) 0.020(4) 0.032(4) O4 0.043(4) 0.115(6) 0.083(5) 0.000(4) 0.005(4) 0.006(5) O5 0.104(6) 0.085(5) 0.097(6) -0.023(5) 0.050(5) -0.047(5) C1 0.053(6) 0.027(5) 0.042(5) 0.008(4) 0.012(5) 0.000(4) C2 0.036(5) 0.035(5) 0.047(6) 0.006(4) 0.005(4) 0.009(4) C3 0.040(6) 0.057(6) 0.052(6) -0.006(5) 0.020(5) -0.008(5) C4 0.068(7) 0.059(7) 0.060(7) -0.006(6) 0.032(6) -0.014(6) C5 0.078(9) 0.101(10) 0.069(8) -0.007(7) 0.010(7) 0.012(7) C6 0.045(7) 0.089(9) 0.12(1) 0.005(6) 0.027(8) 0.001(9) C7 0.066(8) 0.073(8) 0.093(9) -0.014(7) 0.043(8) -0.013(7) C8 0.057(7) 0.069(8) 0.068(8) -0.005(6) 0.019(6) -0.009(6) C9 0.045(6) 0.038(6) 0.046(6) -0.002(5) 0.019(5) -0.005(5) C10 0.109(10) 0.048(7) 0.083(9) 0.015(7) 0.004(7) 0.000(6) C11 0.12(1) 0.081(9) 0.074(8) -0.015(8) -0.014(7) -0.020(7) C12 0.068(9) 0.054(7) 0.12(1) -0.002(6) 0.034(8) -0.032(7) C13 0.067(8) 0.043(7) 0.14(1) 0.020(6) 0.002(7) -0.001(7) C14 0.076(8) 0.041(7) 0.101(9) 0.010(6) -0.006(7) 0.000(6) C15 0.047(6) 0.033(5) 0.055(6) 0.001(5) 0.000(5) -0.007(5) C16 0.075(7) 0.079(8) 0.060(7) 0.020(6) 0.012(6) 0.016(6) C17 0.109(10) 0.102(10) 0.050(7) 0.032(8) 0.023(7) 0.021(7) C18 0.103(10) 0.075(9) 0.069(8) 0.016(7) -0.003(7) 0.027(7) C19 0.085(8) 0.072(9) 0.083(8) 0.040(7) 0.004(7) 0.014(7) C20 0.073(7) 0.079(8) 0.059(7) 0.034(6) 0.008(6) 0.016(6) C21 0.031(5) 0.044(6) 0.047(6) 0.006(4) -0.002(5) 0.012(5) C22 0.054(6) 0.053(6) 0.056(6) 0.004(6) 0.005(5) 0.012(6) C23 0.090(8) 0.075(9) 0.049(6) 0.017(7) 0.027(6) 0.003(6) C24 0.069(8) 0.079(9) 0.081(9) 0.007(7) 0.033(7) 0.034(7) C25 0.051(7) 0.071(8) 0.088(9) -0.007(6) 0.014(7) 0.009(7) C26 0.041(6) 0.059(7) 0.073(7) -0.009(5) 0.010(6) -0.006(6) C27 0.077(8) 0.062(8) 0.069(8) 0.001(7) 0.003(7) 0.007(7) #------------------------------------------------------------------------------ _refine_special_details ? _refine_ls_structure_factor_coef F _refine_ls_matrix_type full _refine_ls_weighting_scheme sigma _refine_ls_hydrogen_treatment ? _refine_ls_extinction_method Zachariasen_type_2_Gaussian_isotropic _refine_ls_extinction_coef 0.00000 _refine_ls_abs_structure_details ? _refine_ls_abs_structure_Flack ? _refine_ls_number_reflns 2045 _refine_ls_number_parameters 343 _refine_ls_number_restraints 0 _refine_ls_number_constraints ? _refine_ls_R_factor_all ? _refine_ls_R_factor_obs 0.0500 _refine_ls_wR_factor_all ? _refine_ls_wR_factor_obs 0.0330 _refine_ls_goodness_of_fit_all ? _refine_ls_goodness_of_fit_obs 1.460 _refine_ls_shift/esd_max 0.0050 _refine_ls_shift/esd_mean ? _refine_diff_density_min 0.39150 _refine_diff_density_max -0.40690 #------------------------------------------------------------------------------ _geom_special_details ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_publ_flag SE1 C1 1.942(7) ? ? yes SE1 C15 1.944(8) ? ? yes SE1 C21 1.935(8) ? ? yes S1 O1 1.443(5) ? ? yes S1 O2 1.441(6) ? ? yes S1 C2 1.798(8) ? ? yes S1 C3 1.743(8) ? ? yes S2 O3 1.430(6) ? ? yes S2 O4 1.406(6) ? ? yes S2 O5 1.404(6) ? ? yes S2 C27 1.80(1) ? ? yes F1 C27 1.30(1) ? ? yes F2 C27 1.32(1) ? ? yes F3 C27 1.30(1) ? ? yes C1 C2 1.315(9) ? ? yes C1 H1 0.9513 ? ? yes C2 C9 1.47(1) ? ? yes C3 C4 1.37(1) ? ? yes C3 C8 1.36(1) ? ? yes C4 C5 1.39(1) ? ? yes C4 H2 0.9498 ? ? yes C5 C6 1.35(1) ? ? yes C5 H3 0.9500 ? ? yes C6 C7 1.37(1) ? ? yes C6 H4 0.9518 ? ? yes C7 C8 1.38(1) ? ? yes C7 H5 0.9524 ? ? yes C8 H6 0.9512 ? ? yes C9 C10 1.36(1) ? ? yes C9 C14 1.35(1) ? ? yes C10 C11 1.38(1) ? ? yes C10 H7 0.9486 ? ? yes C11 C12 1.36(1) ? ? yes C11 H8 0.9485 ? ? yes C12 C13 1.35(1) ? ? yes C12 H9 0.9517 ? ? yes C13 C14 1.38(1) ? ? yes C13 H10 0.9526 ? ? yes C14 H11 0.9524 ? ? yes C15 C16 1.37(1) ? ? yes C15 C20 1.350(10) ? ? yes C16 C17 1.37(1) ? ? yes C16 H12 0.9494 ? ? yes C17 C18 1.35(1) ? ? yes C17 H13 0.9491 ? ? yes C18 C19 1.37(1) ? ? yes C18 H14 0.9493 ? ? yes C19 C20 1.37(1) ? ? yes C19 H15 0.9499 ? ? yes C20 H16 0.9502 ? ? yes C21 C22 1.40(1) ? ? yes C21 C26 1.365(10) ? ? yes C22 C23 1.39(1) ? ? yes C22 H17 0.9467 ? ? yes C23 C24 1.38(1) ? ? yes C23 H18 0.9504 ? ? yes C24 C25 1.38(1) ? ? yes C24 H19 0.9500 ? ? yes C25 C26 1.36(1) ? ? yes C25 H20 0.9510 ? ? yes C26 H21 0.9502 ? ? yes #------------------------------------------------------------------------------ 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_2 _geom_angle_site_symmetry_3 _geom_bond_publ_flag C1 SE1 C15 98.4(3) ? ? ? yes C1 SE1 C21 94.9(3) ? ? ? yes C15 SE1 C21 99.6(3) ? ? ? yes O1 S1 O2 118.4(4) ? ? ? yes O1 S1 C2 105.3(4) ? ? ? yes O1 S1 C3 109.4(4) ? ? ? yes O2 S1 C2 107.9(4) ? ? ? yes O2 S1 C3 110.6(4) ? ? ? yes C2 S1 C3 104.3(4) ? ? ? yes O3 S2 O4 115.8(4) ? ? ? yes O3 S2 O5 113.1(4) ? ? ? yes O3 S2 C27 101.9(4) ? ? ? yes O4 S2 O5 116.3(4) ? ? ? yes O4 S2 C27 103.4(5) ? ? ? yes O5 S2 C27 103.7(5) ? ? ? yes SE1 C1 C2 128.9(6) ? ? ? yes SE1 C1 H1 115.5433 ? ? ? yes C2 C1 H1 115.5560 ? ? ? yes S1 C2 C1 121.2(6) ? ? ? yes S1 C2 C9 117.5(6) ? ? ? yes C1 C2 C9 120.8(7) ? ? ? yes S1 C3 C4 119.6(8) ? ? ? yes S1 C3 C8 119.5(8) ? ? ? yes C4 C3 C8 120.5(9) ? ? ? yes C3 C4 C5 118.4(8) ? ? ? yes C3 C4 H2 120.7718 ? ? ? yes C5 C4 H2 120.7891 ? ? ? yes C4 C5 C6 121.4(10) ? ? ? yes C4 C5 H3 119.4925 ? ? ? yes C6 C5 H3 119.1365 ? ? ? yes C5 C6 C7 119(1) ? ? ? yes C5 C6 H4 120.3487 ? ? ? yes C7 C6 H4 120.3417 ? ? ? yes C6 C7 C8 120(1) ? ? ? yes C6 C7 H5 119.8884 ? ? ? yes C8 C7 H5 119.6953 ? ? ? yes C3 C8 C7 119.9(9) ? ? ? yes C3 C8 H6 120.0338 ? ? ? yes C7 C8 H6 120.0677 ? ? ? yes C2 C9 C10 117.9(9) ? ? ? yes C2 C9 C14 123.1(9) ? ? ? yes C10 C9 C14 118.9(9) ? ? ? yes C9 C10 C11 119(1) ? ? ? yes C9 C10 H7 120.3964 ? ? ? yes C11 C10 H7 120.1980 ? ? ? yes C10 C11 C12 121(1) ? ? ? yes C10 C11 H8 119.2749 ? ? ? yes C12 C11 H8 119.3191 ? ? ? yes C11 C12 C13 118.7(10) ? ? ? yes C11 C12 H9 120.5766 ? ? ? yes C13 C12 H9 120.7085 ? ? ? yes C12 C13 C14 120(1) ? ? ? yes C12 C13 H10 120.0045 ? ? ? yes C14 C13 H10 119.8583 ? ? ? yes C9 C14 C13 121.3(10) ? ? ? yes C9 C14 H11 119.3369 ? ? ? yes C13 C14 H11 119.3195 ? ? ? yes SE1 C15 C16 120.0(7) ? ? ? yes SE1 C15 C20 120.0(7) ? ? ? yes C16 C15 C20 119.6(8) ? ? ? yes C15 C16 C17 120.7(9) ? ? ? yes C15 C16 H12 119.8465 ? ? ? yes C17 C16 H12 119.4955 ? ? ? yes C16 C17 C18 119.5(10) ? ? ? yes C16 C17 H13 120.2090 ? ? ? yes C18 C17 H13 120.2419 ? ? ? yes C17 C18 C19 119.7(10) ? ? ? yes C17 C18 H14 119.9689 ? ? ? yes C19 C18 H14 120.2987 ? ? ? yes C18 C19 C20 120.4(10) ? ? ? yes C18 C19 H15 119.6278 ? ? ? yes C20 C19 H15 119.9333 ? ? ? yes C15 C20 C19 120.0(9) ? ? ? yes C15 C20 H16 120.0236 ? ? ? yes C19 C20 H16 119.9342 ? ? ? yes SE1 C21 C22 114.6(7) ? ? ? yes SE1 C21 C26 122.9(7) ? ? ? yes C22 C21 C26 122.4(8) ? ? ? yes C21 C22 C23 117.6(9) ? ? ? yes C21 C22 H17 121.3476 ? ? ? yes C23 C22 H17 121.0932 ? ? ? yes C22 C23 C24 119.5(9) ? ? ? yes C22 C23 H18 120.3295 ? ? ? yes C24 C23 H18 120.2048 ? ? ? yes C23 C24 C25 121.3(9) ? ? ? yes C23 C24 H19 119.3827 ? ? ? yes C25 C24 H19 119.3585 ? ? ? yes C24 C25 C26 120.2(9) ? ? ? yes C24 C25 H20 119.8349 ? ? ? yes C26 C25 H20 119.9313 ? ? ? yes C21 C26 C25 119.0(9) ? ? ? yes C21 C26 H21 120.6017 ? ? ? yes C25 C26 H21 120.4259 ? ? ? yes S2 C27 F1 112.9(8) ? ? ? yes S2 C27 F2 111.0(7) ? ? ? yes S2 C27 F3 112.5(8) ? ? ? yes F1 C27 F2 106.2(10) ? ? ? yes F1 C27 F3 106.7(9) ? ? ? yes F2 C27 F3 107.2(9) ? ? ? yes O2 SE1 O3 74.9(2) ? ? ? yes O2 SE1 O5 92.1(2) ? ? ? yes O3 SE1 O5 109.8(2) ? ? ? yes #------------------------------------------------------------------------------ _publ_requested_journal ' J. Chem. Soc., Perkin Trans. 1' _publ_contact_author ; Prof. Tadashi Kataoka 6-1, Mitahora-higashi 5-chome, Gifu, Japan, 502-8585 ; _publ_contact_letter ; ENTER TEXT OF LETTER ; _publ_requested_coeditor_name ? _publ_contact_author_phone ' +81-58-237-3931 ' _publ_contact_author_fax ' +81-58-237-5979 ' _publ_contact_author_email ' kataoka@gifu-pu.ac.jp ' loop_ _publ_author_name _publ_author_address ' Shin-ichi Watanabe ' ; 6-1, Mitahora-higashi 5-chome, Gifu 502-8585, Japan ; _publ_section_title ; Synthesis and reactivity of b-sulfonylvinylselenonium salts: A facile stereoselective synthesis of b-functionalized (Z)-vinyl sulfones ; _publ_section_abstract ; ENTER ABSTRACT ; _publ_section_experimental ; ENTER EXPERIMENTAL SECTION ; _publ_section_comment ; ENTER TEXT ; _publ_section_references ; ENTER REFERENCES ; _publ_section_figure_captions ; ENTER FIGURE CAPTIONS ; #==END