#------------------------------------------------------------------------------ #$Date: 2012-02-03 19:16:24 +0200 (Fri, 03 Feb 2012) $ #$Revision: 32112 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/01/18/2011841.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_2011841 loop_ _publ_author_name 'Bujak, Maciej' 'Osadczuk, Przemys\/law' 'Zaleski, Jacek' _publ_section_title ; Aminoguanidinium(2+) aminoguanidinium(1+) hexachloroantimonate(III) at 295 and 92K ; _journal_issue 4 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 388 _journal_page_last 391 _journal_volume 57 _journal_year 2001 _chemical_formula_iupac '(CH7 N4 )(CH8 N4 )[SbCl6 ]' _chemical_formula_moiety 'CH7 N4 + , CH8 N4 2+ , SbCl6 3- ' _chemical_formula_sum 'C2 H15 Cl6 N8 Sb' _chemical_formula_weight 485.67 _chemical_name_systematic ; Aminoguanidinium(1+)(2+) heksachloroantimonate(III) ; _space_group_IT_number 7 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall 'P -2yc' _symmetry_space_group_name_H-M 'P 1 c 1' _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 94.75(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 7.522(2) _cell_length_b 13.856(3) _cell_length_c 15.544(3) _cell_measurement_reflns_used 40 _cell_measurement_temperature 295(2) _cell_measurement_theta_max 14 _cell_measurement_theta_min 7 _cell_volume 1614.5(6) _computing_cell_refinement 'Kuma Diffraction Software' _computing_data_collection 'Kuma Diffraction Software (KUMA, 1996)' _computing_data_reduction 'Kuma Diffraction Software' _computing_molecular_graphics 'SHELXTL (Sheldrick, 1990)' _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 1.000 _diffrn_measured_fraction_theta_max 1.000 _diffrn_measurement_device_type 'KM--4 Diffractometer' _diffrn_measurement_method '\w--\q scan' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength .71073 _diffrn_reflns_av_R_equivalents .0000 _diffrn_reflns_av_sigmaI/netI .0209 _diffrn_reflns_limit_h_max 8 _diffrn_reflns_limit_h_min -8 _diffrn_reflns_limit_k_max 16 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 18 _diffrn_reflns_limit_l_min -18 _diffrn_reflns_number 5690 _diffrn_reflns_theta_full 25.06 _diffrn_reflns_theta_max 25.06 _diffrn_reflns_theta_min 1.47 _diffrn_standards_decay_% 1.0 _diffrn_standards_interval_count 50 _diffrn_standards_number 2 _exptl_absorpt_coefficient_mu 2.695 _exptl_absorpt_correction_T_max .368 _exptl_absorpt_correction_T_min .446 _exptl_absorpt_correction_type psi-scan _exptl_absorpt_process_details '(Sheldrick, 1990)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.998 _exptl_crystal_density_meas 1.990(10) _exptl_crystal_density_method 'flotation method' _exptl_crystal_description irregular _exptl_crystal_F_000 944 _exptl_crystal_size_max .40 _exptl_crystal_size_mid .40 _exptl_crystal_size_min .30 _refine_diff_density_max .589 _refine_diff_density_min -.360 _refine_ls_abs_structure_details '(Flack, 1983)' _refine_ls_abs_structure_Flack -.04(2) _refine_ls_extinction_coef .0045(2) _refine_ls_extinction_method 'SHELXL97 (Sheldrick, 1997)' _refine_ls_goodness_of_fit_ref 1.097 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 329 _refine_ls_number_reflns 5690 _refine_ls_number_restraints 40 _refine_ls_restrained_S_all 1.093 _refine_ls_R_factor_all .0327 _refine_ls_R_factor_gt .0244 _refine_ls_shift/su_max .002 _refine_ls_shift/su_mean .000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details ; w = 1/[\s^2^(Fo^2^)+(0.0300P)^2^+1.1741P] where P=(Fo^2^+2Fc^2^)/3 ; _refine_ls_weighting_scheme sigma _refine_ls_wR_factor_ref .0645 _reflns_number_gt 5052 _reflns_number_total 5690 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file bj1014.cif _[local]_cod_data_source_block Iat295K _[local]_cod_cif_authors_sg_H-M 'P c' _cod_database_code 2011841 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 'x, -y, 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_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol Sb1 .22309(4) .24869(2) .49848(2) .03317(13) Uani d . 1 . . Sb Cl1 .1821(3) .08653(10) .43411(11) .0543(4) Uani d . 1 . . Cl Cl2 .3160(2) .43664(9) .57138(9) .0443(3) Uani d . 1 . . Cl Cl3 -.0196(2) .32372(12) .39736(10) .0528(4) Uani d . 1 . . Cl Cl4 .5004(2) .18271(11) .61516(11) .0561(4) Uani d . 1 . . Cl Cl5 -.0012(2) .21192(12) .61079(11) .0572(4) Uani d . 1 . . Cl Cl6 .4618(2) .29880(10) .38538(10) .0488(3) Uani d . 1 . . Cl Sb2 -.22441(3) .73957(2) .50076(2) .03493(12) Uani d . 1 . . Sb Cl7 -.4371(2) .69473(12) .60557(10) .0516(4) Uani d . 1 . . Cl Cl8 .0259(2) .79332(12) .37415(11) .0563(4) Uani d . 1 . . Cl Cl9 -.1997(3) .90379(11) .56122(11) .0600(4) Uani d . 1 . . Cl Cl10 -.3125(3) .55414(10) .42616(11) .0577(4) Uani d . 1 . . Cl Cl11 -.4689(2) .79739(11) .39258(10) .0513(4) Uani d . 1 . . Cl Cl12 .0389(2) .65268(10) .61370(9) .0463(3) Uani d . 1 . . Cl C1 -.2310(8) .4387(4) .6934(4) .0360(12) Uani d . 1 . . C N1 -.3051(7) .3636(3) .7257(3) .0458(11) Uani d . 1 . . N H11 -.3136 .3615 .7830 .130(8) Uiso d R 1 . . H H12 -.3489 .3139 .6931 .130(8) Uiso d R 1 . . H N2 -.1768(7) .5132(4) .7412(3) .0581(13) Uani d . 1 . . N H21 -.1930 .5140 .7979 .130(8) Uiso d R 1 . . H H22 -.1225 .5631 .7171 .130(8) Uiso d R 1 . . H N3 -.2013(8) .4434(3) .6089(3) .0460(12) Uani d . 1 . . N H3 -.1394 .4927 .5883 .086(13) Uiso d R 1 . . H N4 -.2817(7) .3757(3) .5513(3) .0438(11) Uani d . 1 . . N H41 -.4016 .3780 .5480 .092(9) Uiso d R 1 . . H H42 -.2493 .3140 .5618 .092(9) Uiso d R 1 . . H H43 -.2481 .3910 .4988 .092(9) Uiso d R 1 . . H C2 .2508(8) .5506(4) .3070(4) .0393(13) Uani d . 1 . . C N5 .2289(7) .6344(3) .2663(3) .0496(13) Uani d . 1 . . N H51 .2909 .6433 .2198 .130(8) Uiso d R 1 . . H H52 .1915 .6861 .2949 .130(8) Uiso d R 1 . . H N6 .2923(7) .4736(3) .2672(3) .0583(14) Uani d . 1 . . N H61 .2544 .4767 .2108 .130(8) Uiso d R 1 . . H H62 .3089 .4144 .2903 .130(8) Uiso d R 1 . . H N7 .2234(8) .5448(3) .3917(3) .0508(14) Uani d . 1 . . N H7 .2379 .4882 .4198 .086(13) Uiso d R 1 . . H N8 .2633(7) .6232(4) .4478(3) .0461(12) Uani d . 1 . . N H81 .3802 .6373 .4483 .092(9) Uiso d R 1 . . H H82 .2371 .6072 .5014 .092(9) Uiso d R 1 . . H H83 .1984 .6749 .4295 .092(9) Uiso d R 1 . . H C3 .2761(10) .0548(5) .1938(5) .0557(17) Uani d . 1 . . C N9 .2177(9) .1381(4) .2192(4) .0682(17) Uani d . 1 . . N H91 .2337 .1414 .2771 .130(8) Uiso d R 1 . . H H92 .2033 .1968 .1947 .130(8) Uiso d R 1 . . H N10 .3041(9) -.0206(4) .2491(4) .0809(19) Uani d . 1 . . N H101 .2849 -.0134 .3051 .130(8) Uiso d R 1 . . H H102 .3435 -.0774 .2300 .130(8) Uiso d R 1 . . H N11 .3025(9) .0415(4) .1129(4) .0647(16) Uani d . 1 . . N H111 .3232 -.0214 .1037 .086(13) Uiso d R 1 . . H N12 .2686(9) .1151(4) .0566(4) .0657(16) Uani d . 1 . . N H121 .1794 .1016 .0161 .130(8) Uiso d R 1 . . H H122 .3592 .1339 .0261 .130(8) Uiso d R 1 . . H C41 -.2711(18) 1.0688(10) .3362(9) .042(3) Uani d PU .60 . . C C42 -.241(3) 1.0438(16) .3047(16) .046(5) Uani d PU .40 . . C N13 -.2870(10) 1.1308(4) .2751(4) .079(2) Uani d . 1 . . N H131 -.3188 1.1922 .2849 .130(8) Uiso d R 1 . . H H132 -.2653 1.1121 .2215 .130(8) Uiso d R 1 . . H N14 -.3009(10) 1.0930(5) .4250(5) .092(2) Uani d . 1 . . N H141 -.3381 1.1524 .4384 .130(8) Uiso d R 1 . . H H142 -.2836 1.0478 .4664 .130(8) Uiso d R 1 . . H N151 -.2162(12) .9813(7) .3195(6) .054(2) Uani d PU .60 . . N H151 -.2031 .9356 .3607 .086(13) Uiso d PR .60 . . H N152 -.249(2) 1.0244(10) .3831(9) .055(3) Uani d PU .40 . . N H152 -.2185 .9664 .4057 .086(13) Uiso d PR .40 . . H N16 -.1830(9) .9632(4) .2420(4) .0782(18) Uani d . 1 . . N H161 -.1455 .9042 .2272 .130(8) Uiso d R 1 . . H H162 -.1971 1.0100 .2019 .130(8) Uiso d 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 Sb1 .0402(3) .03043(16) .0289(2) .00185(11) .0031(2) .00077(13) Cl1 .0807(12) .0373(7) .0448(8) -.0031(7) .0047(8) -.0048(6) Cl2 .0628(10) .0387(6) .0325(7) .0068(6) .0099(6) .0015(5) Cl3 .0484(8) .0642(9) .0448(8) .0068(7) -.0017(6) .0127(7) Cl4 .0579(10) .0463(8) .0620(9) -.0079(7) -.0083(7) .0099(7) Cl5 .0634(10) .0610(9) .0499(9) .0056(8) .0210(7) .0108(7) Cl6 .0535(9) .0494(8) .0445(8) .0098(6) .0105(6) .0026(6) Sb2 .0385(3) .03486(17) .0315(2) .00055(17) .0032(2) .00171(18) Cl7 .0484(8) .0656(9) .0424(8) -.0015(7) .0136(6) .0054(7) Cl8 .0582(9) .0658(10) .0460(8) .0140(8) .0118(7) .0062(7) Cl9 .0869(13) .0443(8) .0491(9) -.0063(8) .0074(8) -.0096(6) Cl10 .0952(14) .0413(7) .0380(8) .0051(8) .0149(8) .0042(6) Cl11 .0446(8) .0599(8) .0478(8) -.0004(7) -.0063(6) .0144(7) Cl12 .0431(7) .0548(8) .0407(7) -.0007(6) .0025(6) .0088(6) C1 .039(3) .036(3) .032(3) -.003(2) .000(2) .008(2) N1 .057(3) .052(3) .028(2) -.010(2) .005(2) .0036(19) N2 .082(4) .055(3) .038(3) -.023(3) .009(3) -.005(2) N3 .061(3) .045(3) .033(3) -.010(2) .012(2) .001(2) N4 .047(3) .053(3) .031(3) -.002(2) .004(2) .008(2) C2 .043(3) .043(3) .031(3) -.004(2) -.001(2) .005(2) N5 .076(4) .045(3) .028(2) .006(2) .004(2) .0054(19) N6 .087(4) .043(3) .041(3) .009(3) -.011(3) -.002(2) N7 .076(4) .043(3) .032(3) -.015(2) -.004(2) .009(2) N8 .055(3) .056(3) .028(3) -.008(2) .009(2) .000(2) C3 .054(4) .067(4) .045(4) -.001(3) -.001(3) -.009(3) N9 .104(5) .050(3) .049(3) .019(3) .000(3) -.010(2) N10 .119(6) .067(4) .059(4) .032(4) .018(4) .002(3) N11 .086(4) .051(3) .058(4) .004(3) .013(3) -.006(3) N12 .088(4) .046(3) .064(4) -.001(3) .010(3) .004(3) C41 .044(7) .040(7) .043(8) .008(5) .006(5) .010(6) C42 .041(9) .036(11) .061(14) .007(8) .011(9) -.004(9) N13 .144(7) .049(3) .046(3) .026(3) .017(4) .013(3) N14 .122(6) .063(4) .098(6) .040(4) .051(5) .018(4) N151 .069(6) .043(5) .050(5) .009(4) .011(4) .010(4) N152 .087(10) .036(6) .041(7) -.002(6) .000(6) .008(6) N16 .117(5) .057(3) .059(4) .005(3) -.002(4) .005(3) 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 Sb1 Cl1 . 2.469(2) y Sb1 Cl2 . 2.902(2) y Sb1 Cl3 . 2.532(2) y Sb1 Cl4 . 2.802(2) y Sb1 Cl5 . 2.577(2) y Sb1 Cl6 . 2.705(2) y Sb2 Cl7 . 2.456(2) y Sb2 Cl8 . 2.931(2) y Sb2 Cl9 . 2.463(2) y Sb2 Cl10 . 2.874(2) y Sb2 Cl11 . 2.518(2) y Sb2 Cl12 . 2.807(2) y C1 N1 . 1.301(7) ? C1 N2 . 1.316(7) ? C1 N3 . 1.352(7) ? N3 N4 . 1.399(7) ? N1 H11 . .9000 ? N1 H12 . .9000 ? N2 H21 . .9000 ? N2 H22 . .9000 ? N3 H3 . .9000 ? N4 H41 . .9000 ? N4 H42 . .9000 ? N4 H43 . .9000 ? C2 N5 . 1.327(7) ? C2 N6 . 1.284(7) ? C2 N7 . 1.352(7) ? N7 N8 . 1.409(7) ? N5 H51 . .9000 ? N5 H52 . .8999 ? N6 H61 . .9000 ? N6 H62 . .9001 ? N7 H7 . .9000 ? N8 H81 . .9000 ? N8 H82 . .9000 ? N8 H83 . .9000 ? C3 N9 . 1.308(8) ? C3 N10 . 1.359(9) ? C3 N11 . 1.302(9) ? N11 N12 . 1.354(8) ? N9 H91 . .9000 ? N9 H92 . .9001 ? N10 H101 . .9000 ? N10 H102 . .9000 ? N11 H111 . .9000 ? N12 H121 . .9000 ? N12 H122 . .9001 ? C41 N13 . 1.279(15) ? C41 N14 . 1.455(15) ? C41 N151 . 1.314(15) ? C42 N152 . 1.25(3) ? C42 N13 . 1.33(2) ? C42 N16 . 1.57(2) ? N13 H131 . .9000 ? N13 H132 . .9000 ? N14 N152 . 1.232(15) ? N14 H141 . .9000 ? N14 H142 . .8999 ? N151 N16 . 1.275(10) ? N151 H151 . .9000 ? N152 H152 . .9001 ? N16 H161 . .9000 ? N16 H162 . .9000 ? loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C .0033 .0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H .0000 .0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N .0061 .0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Cl Cl .1484 .1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Sb Sb -.5866 1.5461 '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 _geom_angle_publ_flag Cl1 Sb1 Cl2 173.19(6) y Cl1 Sb1 Cl3 93.59(6) y Cl1 Sb1 Cl4 91.53(5) y Cl1 Sb1 Cl5 91.59(6) y Cl1 Sb1 Cl6 92.15(6) y Cl2 Sb1 Cl3 90.68(5) y Cl2 Sb1 Cl4 84.13(5) y Cl2 Sb1 Cl5 93.61(5) y Cl2 Sb1 Cl6 82.65(5) y Cl3 Sb1 Cl4 174.79(5) y Cl3 Sb1 Cl5 91.31(6) y Cl3 Sb1 Cl6 88.54(5) y Cl4 Sb1 Cl5 89.49(6) y Cl4 Sb1 Cl6 90.33(5) y Cl5 Sb1 Cl6 176.25(5) y Cl7 Sb2 Cl8 179.34(5) y Cl7 Sb2 Cl9 90.77(6) y Cl7 Sb2 Cl10 84.28(5) y Cl7 Sb2 Cl11 92.51(6) y Cl7 Sb2 Cl12 86.63(5) y Cl8 Sb2 Cl9 89.37(6) y Cl8 Sb2 Cl10 95.50(5) y Cl8 Sb2 Cl11 86.85(5) y Cl8 Sb2 Cl12 93.99(5) y Cl9 Sb2 Cl10 170.96(7) y Cl9 Sb2 Cl11 89.36(6) y Cl9 Sb2 Cl12 97.50(6) y Cl10 Sb2 Cl11 83.32(5) y Cl10 Sb2 Cl12 89.77(5) y Cl11 Sb2 Cl12 173.10(5) y C1 N1 H11 118.4 ? C1 N1 H12 122.9 ? C1 N2 H21 120.1 ? C1 N2 H22 119.9 ? C1 N3 N4 119.5(5) ? C1 N3 H3 120.9 ? N1 C1 N2 122.2(5) ? N1 C1 N3 121.5(5) ? N2 C1 N3 116.3(5) ? N3 N4 H41 113.1 ? N3 N4 H42 115.2 ? N3 N4 H43 106.5 ? N4 N3 H3 119.3 ? H11 N1 H12 118.7 ? H21 N2 H22 120.0 ? H41 N4 H42 107.4 ? H41 N4 H43 107.1 ? H42 N4 H43 107.2 ? C2 N5 H51 116.7 ? C2 N5 H52 119.5 ? C2 N6 H61 111.1 ? C2 N6 H62 126.5 ? C2 N7 N8 121.0(5) ? C2 N7 H7 120.1 ? N5 C2 N7 119.5(5) ? N6 C2 N5 121.5(5) ? N6 C2 N7 118.9(5) ? N7 N8 H81 109.4 ? N7 N8 H82 109.4 ? N7 N8 H83 109.7 ? N8 N7 H7 111.1 ? H51 N5 H52 119.5 ? H61 N6 H62 117.0 ? H81 N8 H82 109.5 ? H81 N8 H83 109.5 ? H82 N8 H83 109.5 ? C3 N9 H91 109.0 ? C3 N9 H92 134.5 ? C3 N10 H101 119.9 ? C3 N10 H102 120.1 ? C3 N11 N12 118.9(6) ? C3 N11 H111 109.4 ? N9 C3 N10 121.7(6) ? N11 C3 N9 119.9(7) ? N11 C3 N10 118.3(6) ? N11 N12 H121 112.7 ? N11 N12 H122 116.6 ? N12 N11 H111 130.8 ? H91 N9 H92 112.2 ? H101 N10 H102 120.0 ? H121 N12 H122 104.2 ? C41 N13 H131 121.2 ? C41 N13 H132 118.8 ? C41 N14 H141 120.4 ? C41 N14 H142 119.6 ? C41 N151 H151 121.8 ? C42 N13 H131 149.9 ? C42 N13 H132 89.9 ? C42 N152 H152 122.6 ? C42 N16 H161 156.1 ? C42 N16 H162 83.9 ? N13 C41 N151 119.0(12) ? N13 C41 N14 122.5(10) ? N13 C42 N16 120.6(18) ? N14 N152 C42 113.1(16) ? N14 N152 H142 39.8 ? N14 N152 H152 124.3 ? N151 C41 N14 118.4(11) ? N151 N16 H161 120.6 ? N151 N16 H162 119.4 ? N152 C42 N13 120.0(18) ? N152 C42 N16 119.4(19) ? N152 N14 H141 161.0 ? N152 N14 H142 79.0 ? N16 N151 C41 117.2(10) ? N16 N151 H151 121.0 ? H131 N13 H132 120.0 ? H141 N14 H142 120.0 ? H142 N152 H152 84.5 ? H161 N16 H162 120.0 ? 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 N1 H12 Cl4 1_455 .90 2.41 3.310(5) 172.8 N1 H11 Cl10 2_565 .90 2.51 3.323(5) 150.1 N2 H22 Cl12 . .90 2.43 3.291(5) 159.2 N2 H21 Cl10 2_565 .90 2.44 3.266(5) 152.0 N4 H41 Cl2 1_455 .90 2.33 3.182(5) 157.7 N4 H42 Cl5 . .90 2.41 3.183(5) 143.5 N5 H52 Cl8 . .90 2.35 3.227(5) 164.2 N5 H51 Cl2 2_564 .90 2.58 3.303(5) 137.8 N6 H62 Cl6 . .90 2.41 3.238(5) 153.5 N7 H7 Cl2 . .90 2.49 3.195(5) 136.0 N8 H83 Cl8 . .90 2.22 3.118(6) 174.3 N8 H82 Cl12 . .90 2.47 3.223(5) 141.6 N8 H81 Cl10 1_655 .90 2.63 3.374(6) 140.5 N11 H111 Cl4 2_554 .90 2.60 3.444(6) 156.5 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 N1 C1 N3 N4 12.7(9) N2 C1 N3 N4 -169.0(5) N6 C2 N7 N8 148.7(6) N5 C2 N7 N8 -33.4(9) N9 C3 N11 N12 .0(11) N10 C3 N11 N12 177.5(7) N13 C41 N151 N16 -.5(18) N14 C41 N151 N16 -176.8(9) N13 C42 N152 N14 0(3) N16 C42 N152 N14 -178.3(14)