#------------------------------------------------------------------------------ #$Date: 2012-02-03 17:16:24 +0000 (Fri, 03 Feb 2012) $ #$Revision: 32112 $ #$URL: svn://www.crystallography.net/cod/cif/2/20/52/2205219.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2205219 loop_ _publ_author_name 'Fu, Yun-Long' 'Xu, Zhi-Wei' 'Ren, Jia-Lin' 'Ng, Seik Weng' _publ_section_title ; catena-Poly[diethylenetriaminium [ferrate(III)-tri-\m-sulfato-\k^6^O:O'] monohydrate] ; _journal_issue 3 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first m593 _journal_page_last m595 _journal_volume 61 _journal_year 2005 _chemical_formula_iupac '(C4 H16 N3) [Fe (S O4)3], H2 O' _chemical_formula_moiety 'C4 H16 N3 3+, Fe O12 S3 3-, H2 O' _chemical_formula_sum 'C4 H18 Fe N3 O13 S3' _chemical_formula_weight 468.24 _chemical_name_systematic ; catena-Poly[diethylenetriaminium [ferrate(III)-tri-\m-sulfato-\k^6^O:O'] monohydrate] ; _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 103.2640(10) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 9.1329(8) _cell_length_b 18.882(2) _cell_length_c 8.8856(7) _cell_measurement_reflns_used 2096 _cell_measurement_temperature 295(2) _cell_measurement_theta_max 27.3 _cell_measurement_theta_min 2.3 _cell_volume 1491.4(2) _computing_cell_refinement 'SAINT (Bruker, 2002)' _computing_data_collection 'SMART (Bruker, 2002)' _computing_data_reduction SAINT _computing_molecular_graphics 'ORTEPII (Johnson, 1976)' _computing_publication_material SHELXL97 _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 295(2) _diffrn_measured_fraction_theta_full 0.98 _diffrn_measured_fraction_theta_max 0.98 _diffrn_measurement_device_type 'Bruker APEX area-detector diffractometer' _diffrn_measurement_method '\f and \w scans' _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 0.037 _diffrn_reflns_av_sigmaI/netI 0.051 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_k_max 24 _diffrn_reflns_limit_k_min -13 _diffrn_reflns_limit_l_max 11 _diffrn_reflns_limit_l_min -11 _diffrn_reflns_number 8930 _diffrn_reflns_theta_full 27.5 _diffrn_reflns_theta_max 27.5 _diffrn_reflns_theta_min 2.2 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 1.509 _exptl_absorpt_correction_T_max 0.889 _exptl_absorpt_correction_T_min 0.367 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SADABS; Bruker, 2002)' _exptl_crystal_colour Yellow _exptl_crystal_density_diffrn 2.085 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Rod _exptl_crystal_F_000 964 _exptl_crystal_size_max 0.27 _exptl_crystal_size_mid 0.10 _exptl_crystal_size_min 0.08 _refine_diff_density_max 0.58 _refine_diff_density_min -0.44 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.03 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 225 _refine_ls_number_reflns 3369 _refine_ls_number_restraints 3 _refine_ls_restrained_S_all 1.03 _refine_ls_R_factor_all 0.059 _refine_ls_R_factor_gt 0.044 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean <0.001 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0532P)^2^+0.8094P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.101 _refine_ls_wR_factor_ref 0.109 _reflns_number_gt 2680 _reflns_number_total 3369 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file bt6605.cif _[local]_cod_data_source_block I _[local]_cod_cif_authors_sg_H-M 'P 21/c' _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. '_exptl_absorpt_correction_type' value 'Multi-scan' changed to 'multi-scan' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. '_exptl_absorpt_correction_type' value 'Multi-scan' changed to 'multi-scan' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_database_code 2205219 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-1/2' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_type_symbol Fe1 0.21786(5) 0.25291(2) 0.21846(5) 0.01150(10) Uani d . 1 Fe S1 0.44676(9) 0.18027(4) 0.51862(9) 0.0132(2) Uani d . 1 S S3 -0.01914(9) 0.30920(4) -0.09294(9) 0.0131(2) Uani d . 1 S S2 0.21261(9) 0.37685(4) 0.47439(9) 0.0138(2) Uani d . 1 S O1 0.3986(2) 0.23200(10) 0.3896(2) 0.0156(5) Uani d . 1 O O2 0.5946(3) 0.20020(10) 0.6052(3) 0.0310(6) Uani d . 1 O O3 0.4441(3) 0.10840(10) 0.4567(3) 0.0247(6) Uani d . 1 O O4 0.3380(3) 0.18160(10) 0.6212(3) 0.0192(5) Uani d . 1 O O5 0.1545(3) 0.33430(10) 0.3329(2) 0.0183(5) Uani d . 1 O O6 0.0837(3) 0.41180(10) 0.5136(3) 0.0250(6) Uani d . 1 O O7 0.3259(3) 0.42650(10) 0.4506(3) 0.0282(6) Uani d . 1 O O8 0.2858(3) 0.32940(10) 0.6053(2) 0.0165(5) Uani d . 1 O O9 0.0373(3) 0.26600(10) 0.0487(3) 0.0184(5) Uani d . 1 O O10 -0.0504(3) 0.38130(10) -0.0540(3) 0.0263(6) Uani d . 1 O O11 -0.1519(3) 0.27410(10) -0.1847(3) 0.0214(5) Uani d . 1 O O12 0.1009(2) 0.31350(10) -0.1827(2) 0.0151(5) Uani d . 1 O O1w 0.3600(4) 0.0102(2) 0.6739(4) 0.0459(9) Uani d D 1 O N1 0.3903(3) -0.1339(2) 0.7928(3) 0.0230(7) Uani d . 1 N N2 0.2150(3) -0.13080(10) 1.1382(3) 0.0215(7) Uani d . 1 N N3 0.1613(4) 0.0392(2) 1.3315(4) 0.0348(8) Uani d . 1 N C1 0.3147(4) -0.1027(2) 0.9079(4) 0.0223(8) Uani d . 1 C C2 0.3114(4) -0.1561(2) 1.0324(4) 0.0249(8) Uani d . 1 C C3 0.2499(4) -0.0584(2) 1.1980(5) 0.0271(8) Uani d . 1 C C4 0.1582(5) -0.0375(2) 1.3091(5) 0.0330(10) Uani d . 1 C H1w1 0.385(6) 0.041(2) 0.614(4) 0.07(2) Uiso d D 1 H H1w2 0.330(6) 0.032(2) 0.745(4) 0.08(2) Uiso d D 1 H H1n1 0.3924 -0.1033 0.7216 0.028 Uiso calc R 1 H H1n2 0.3416 -0.1708 0.7522 0.028 Uiso calc R 1 H H1n3 0.4807 -0.1457 0.8376 0.028 Uiso calc R 1 H H2n1 0.1223 -0.1323 1.0889 0.026 Uiso calc R 1 H H2n2 0.2258 -0.1594 1.2151 0.026 Uiso calc R 1 H H3n1 0.1079 0.0502 1.3963 0.042 Uiso calc R 1 H H3n2 0.1252 0.0598 1.2445 0.042 Uiso calc R 1 H H3n3 0.2525 0.0528 1.3669 0.042 Uiso calc R 1 H H1a 0.2128 -0.0890 0.8577 0.027 Uiso calc R 1 H H1b 0.3684 -0.0607 0.9529 0.027 Uiso calc R 1 H H2a 0.4130 -0.1643 1.0921 0.030 Uiso calc R 1 H H2b 0.2722 -0.2006 0.9854 0.030 Uiso calc R 1 H H3a 0.2313 -0.0253 1.1121 0.033 Uiso calc R 1 H H3b 0.3557 -0.0555 1.2489 0.033 Uiso calc R 1 H H4a 0.0551 -0.0529 1.2703 0.040 Uiso calc R 1 H H4b 0.1972 -0.0607 1.4075 0.040 Uiso calc R 1 H 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 Fe1 0.0135(2) 0.0129(3) 0.0084(2) 0.00009(17) 0.00334(17) 0.00037(17) S1 0.0134(4) 0.0152(4) 0.0110(4) 0.0010(3) 0.0031(3) 0.0014(3) S3 0.0134(4) 0.0157(4) 0.0106(4) 0.0015(3) 0.0035(3) 0.0006(3) S2 0.0180(4) 0.0126(4) 0.0109(4) 0.0009(3) 0.0034(3) -0.0004(3) O1 0.0150(10) 0.0200(10) 0.0100(10) -0.0010(10) 0.0000(10) 0.0030(10) O2 0.0220(10) 0.039(2) 0.0260(10) -0.0090(10) -0.0080(10) 0.0150(10) O3 0.037(2) 0.0180(10) 0.0240(10) 0.0040(10) 0.0170(10) -0.0020(10) O4 0.0270(10) 0.0180(10) 0.0160(10) 0.0030(10) 0.0130(10) 0.0010(10) O5 0.0230(10) 0.0200(10) 0.0110(10) 0.0030(10) 0.0010(10) -0.0020(10) O6 0.0270(10) 0.0260(10) 0.0220(10) 0.0110(10) 0.0040(10) -0.0070(10) O7 0.034(2) 0.025(2) 0.0240(10) -0.0100(10) 0.0030(10) 0.0070(10) O8 0.0210(10) 0.0160(10) 0.0120(10) 0.0000(10) 0.0020(10) 0.0040(10) O9 0.0190(10) 0.0260(10) 0.0100(10) 0.0000(10) 0.0010(10) 0.0060(10) O10 0.034(2) 0.0200(10) 0.031(2) 0.0040(10) 0.0210(10) -0.0040(10) O11 0.0170(10) 0.0250(10) 0.0200(10) -0.0040(10) -0.0010(10) 0.0050(10) O12 0.0200(10) 0.0150(10) 0.0120(10) 0.0010(10) 0.0070(10) -0.0010(10) O1w 0.084(3) 0.025(2) 0.036(2) 0.000(2) 0.026(2) 0.0030(10) N1 0.023(2) 0.025(2) 0.022(2) -0.0030(10) 0.0080(10) -0.0010(10) N2 0.029(2) 0.017(2) 0.020(2) 0.0000(10) 0.0090(10) 0.0010(10) N3 0.034(2) 0.028(2) 0.042(2) 0.003(2) 0.009(2) -0.007(2) C1 0.026(2) 0.021(2) 0.022(2) 0.0010(10) 0.009(2) -0.0020(10) C2 0.033(2) 0.020(2) 0.024(2) 0.004(2) 0.010(2) 0.000(2) C3 0.028(2) 0.015(2) 0.038(2) -0.004(2) 0.006(2) -0.007(2) C4 0.058(3) 0.020(2) 0.030(2) -0.011(2) 0.026(2) -0.006(2) 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 0.0000 0.0000 '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 0.0060 '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' Fe Fe 0.3463 0.8444 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag O1 Fe1 O4 . 4_565 90.70(10) yes O1 Fe1 O5 . . 92.80(10) yes O1 Fe1 O8 . 4_565 86.20(10) yes O1 Fe1 O9 . . 175.90(10) yes O1 Fe1 O12 . 4_566 88.50(10) yes O4 Fe1 O5 4_565 . 89.80(10) yes O4 Fe1 O8 4_565 4_565 89.90(10) yes O4 Fe1 O9 4_565 . 92.20(10) yes O4 Fe1 O12 4_565 4_566 179.00(10) yes O5 Fe1 O8 . 4_565 178.90(10) yes O5 Fe1 O9 . . 90.20(10) yes O5 Fe1 O12 . 4_566 90.70(10) yes O8 Fe1 O9 4_565 . 90.80(10) yes O8 Fe1 O12 4_565 4_566 89.60(10) yes O9 Fe1 O12 . 4_566 88.70(10) yes O2 S1 O3 . . 112.0(2) no O2 S1 O1 . . 108.30(10) no O3 S1 O1 . . 110.00(10) no O2 S1 O4 . . 110.0(2) no O3 S1 O4 . . 106.80(10) no O1 S1 O4 . . 109.70(10) no O10 S3 O11 . . 112.2(2) no O10 S3 O9 . . 111.20(10) no O11 S3 O9 . . 107.80(10) no O10 S3 O12 . . 106.60(10) no O11 S3 O12 . . 110.10(10) no O9 S3 O12 . . 109.00(10) no O7 S2 O6 . . 112.6(2) no O7 S2 O5 . . 110.90(10) no O6 S2 O5 . . 107.20(10) no O7 S2 O8 . . 107.10(10) no O6 S2 O8 . . 109.00(10) no O5 S2 O8 . . 110.10(10) no S1 O1 Fe1 . . 139.00(10) no S1 O4 Fe1 . 4_566 142.2(2) no S2 O5 Fe1 . . 139.3(2) no S2 O8 Fe1 . 4_566 135.40(10) no S3 O9 Fe1 . . 141.2(2) no S3 O12 Fe1 . 4_565 137.50(10) no C3 N2 C2 . . 114.2(3) no N1 C1 C2 . . 109.5(3) no C1 C2 N2 . . 111.1(3) no N2 C3 C4 . . 112.2(3) no N3 C4 C3 . . 110.9(3) no H1W1 O1W H1W2 . . 109(2) no C1 N1 H1n1 . . 109.5 no C1 N1 H1n2 . . 109.5 no H1n1 N1 H1n2 . . 109.5 no C1 N1 H1n3 . . 109.5 no H1n1 N1 H1n3 . . 109.5 no H1n2 N1 H1n3 . . 109.5 no C3 N2 H2n1 . . 108.7 no C2 N2 H2n1 . . 108.7 no C3 N2 H2n2 . . 108.7 no C2 N2 H2n2 . . 108.7 no H2n1 N2 H2n2 . . 107.6 no C4 N3 H3n1 . . 109.5 no C4 N3 H3n2 . . 109.5 no H3n1 N3 H3n2 . . 109.5 no C4 N3 H3n3 . . 109.5 no H3n1 N3 H3n3 . . 109.5 no H3n2 N3 H3n3 . . 109.5 no N1 C1 H1a . . 109.8 no C2 C1 H1a . . 109.8 no N1 C1 H1b . . 109.8 no C2 C1 H1b . . 109.8 no H1a C1 H1b . . 108.2 no C1 C2 H2a . . 109.4 no N2 C2 H2a . . 109.4 no C1 C2 H2b . . 109.4 no N2 C2 H2b . . 109.4 no H2a C2 H2b . . 108.0 no N2 C3 C4 . . 112.2(3) no N2 C3 H3a . . 109.2 no C4 C3 H3a . . 109.2 no N2 C3 H3b . . 109.2 no C4 C3 H3b . . 109.2 no H3a C3 H3b . . 107.9 no N3 C4 C3 . . 110.9(3) no N3 C4 H4a . . 109.5 no C3 C4 H4a . . 109.5 no N3 C4 H4b . . 109.5 no C3 C4 H4b . . 109.5 no H4a C4 H4b . . 108.0 no loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Fe1 O1 . 2.010(2) yes Fe1 O4 4_565 1.978(2) yes Fe1 O5 . 2.001(2) yes Fe1 O8 4_565 2.024(2) yes Fe1 O9 . 1.978(2) yes Fe1 O12 4_566 1.978(2) yes S1 O2 . 1.442(3) no S1 O3 . 1.462(2) no S1 O1 . 1.494(2) no S1 O4 . 1.494(2) no S3 O10 . 1.449(2) no S3 O11 . 1.456(2) no S3 O9 . 1.489(2) no S3 O12 . 1.499(2) no S2 O7 . 1.447(3) no S2 O6 . 1.460(2) no S2 O5 . 1.483(2) no S2 O8 . 1.499(2) no N1 C1 . 1.481(4) no N2 C3 . 1.475(4) no N2 C2 . 1.505(4) no N3 C4 . 1.461(4) no C1 C2 . 1.502(5) no C3 C4 . 1.487(5) no O1W H1w1 . 0.850(10) no O1W H1w2 . 0.850(10) no N1 H1n1 . 0.86 no N1 H1n2 . 0.86 no N1 H1n3 . 0.86 no N2 H2n1 . 0.86 no N2 H2n2 . 0.86 no N3 H3n1 . 0.86 no N3 H3n2 . 0.86 no N3 H3n3 . 0.86 no C1 H1a . 0.97 no C1 H1b . 0.97 no C2 H2a . 0.97 no C2 H2b . 0.97 no C3 H3a . 0.97 no C3 H3b . 0.97 no C4 H4a . 0.97 no C4 H4b . 0.97 no loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA O1w H1w1 O3 . 0.850(10) 2.060(10) 2.904(4) 176(4) O1w H1w2 O7 4_566 0.850(10) 2.00(2) 2.815(4) 161(6) N1 H1n1 O1w . 0.86 2.19 2.909(4) 141 N1 H1n2 O11 2_545 0.86 1.99 2.779(4) 152 N1 H1n3 O8 2_646 0.86 2.13 2.971(4) 166 N2 H2n2 O2 3_657 0.86 2.15 2.850(4) 138 N2 H2n1 O6 2_546 0.86 2.07 2.867(4) 154 N3 H3n3 O3 1_556 0.86 2.04 2.881(4) 166 N3 H3n2 O6 4_566 0.86 2.07 2.902(4) 162 N3 H3n1 O10 4_567 0.86 2.06 2.816(4) 146 loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion_site_symmetry_1 _geom_torsion_site_symmetry_4 _geom_torsion _geom_torsion_publ_flag O2 S1 O1 Fe1 . . -176.4(2) no O3 S1 O1 Fe1 . . 60.9(2) no O4 S1 O1 Fe1 . . -56.4(2) no O12 Fe1 O1 S1 4_566 . 12.0(2) no O4 Fe1 O1 S1 4_565 . -167.5(2) no O5 Fe1 O1 S1 . . 102.7(2) no O8 Fe1 O1 S1 4_565 . -77.6(2) no O2 S1 O4 Fe1 . 4_566 77.9(3) no O3 S1 O4 Fe1 . 4_566 -160.3(2) no O1 S1 O4 Fe1 . 4_566 -41.1(3) no O7 S2 O5 Fe1 . . 76.1(3) no O6 S2 O5 Fe1 . . -160.6(2) no O8 S2 O5 Fe1 . . -42.2(3) no O12 Fe1 O5 S2 4_566 . 97.2(2) no O9 Fe1 O5 S2 . . -174.1(2) no O4 Fe1 O5 S2 4_565 . -81.9(2) no O1 Fe1 O5 S2 . . 8.7(2) no O7 S2 O8 Fe1 . 4_566 179.4(2) no O6 S2 O8 Fe1 . 4_566 57.3(2) no O5 S2 O8 Fe1 . 4_566 -60.0(2) no O10 S3 O9 Fe1 . . -72.9(3) no O11 S3 O9 Fe1 . . 163.7(2) no O12 S3 O9 Fe1 . . 44.2(3) no O12 Fe1 O9 S3 4_566 . 173.5(2) no O4 Fe1 O9 S3 4_565 . -7.0(2) no O5 Fe1 O9 S3 . . 82.8(2) no O8 Fe1 O9 S3 4_565 . -97.0(2) no O10 S3 O12 Fe1 . 4_565 179.0(2) no O11 S3 O12 Fe1 . 4_565 -59.1(2) no O9 S3 O12 Fe1 . 4_565 58.9(2) no N1 C1 C2 N2 . . -171.2(3) no C3 N2 C2 C1 . . -50.3(4) no C2 N2 C3 C4 . . -176.5(3) no N2 C3 C4 N3 . . -163.4(3) no