# om980627e.cif #============================================================================== data_global #============================================================================== # 0. AUDIT DETAILS _audit_creation_date 'Tue Jul 7 15:45:06 1998' _audit_creation_method 'PLATON option' _audit_update_record ; ? ; #=============================================================================== # 1. SUBMISSION DETAILS _publ_contact_author_name # Name of author for correspondence ; Dr. A.L. Spek ; _publ_contact_author_address # Address of author for correspondence ; Bijvoet Center for Biomolecular Research Department of Crystal and Structural Chemistry Utrecht University Padualaan 8 3584 CH Utrecht The Netherlands ; _publ_contact_author_email 'spea@chem.uu.nl' _publ_contact_author_fax '+31 30 2533940' _publ_contact_author_phone '+31 30 2532538' #=============================================================================== data_s1114a #=============================================================================== # 5. CHEMICAL DATA _chemical_name_systematic ; ? ; _chemical_formula_moiety 'C48 H76 Li4 N4 Si4' _chemical_formula_sum 'C48 H76 Li4 N4 Si4' _chemical_formula_weight 849.25 _chemical_compound_source 'see text' loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Si Si 0.0817 0.0704 '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' Li Li -0.0003 0.0001 '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' C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' #=============================================================================== # 6. CRYSTAL DATA _symmetry_cell_setting Monoclinic _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 2/c' loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,1/2-z -x,-y,-z x,-y,1/2+z 1/2+x,1/2+y,z 1/2-x,1/2+y,1/2-z 1/2-x,1/2-y,-z 1/2+x,1/2-y,1/2+z _cell_length_a 16.8228(12) _cell_length_b 16.2206(11) _cell_length_c 19.6787(15) _cell_angle_alpha 90 _cell_angle_beta 107.566(7) _cell_angle_gamma 90 _cell_volume 5119.4(7) _cell_formula_units_Z 4 _cell_measurement_temperature 100 _cell_measurement_reflns_used 25 _cell_measurement_theta_min 8 _cell_measurement_theta_max 16 _cell_special_details ; ? ; _exptl_crystal_colour colorless _exptl_crystal_size_max 0.38 _exptl_crystal_size_mid 0.12 _exptl_crystal_size_min 0.12 _exptl_crystal_density_diffrn 1.102 _exptl_crystal_density_method 'Not Measured' _exptl_crystal_F_000 1840 _exptl_absorpt_coefficient_mu 0.15 #=============================================================================== # 7. EXPERIMENTAL DATA _exptl_special_details ; ? ; _diffrn_ambient_temperature 100 _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_source 'Rotating Anode' _diffrn_radiation_monochromator graphite _diffrn_measurement_device_type 'CAD4T' _diffrn_measurement_method 'omega/2theta' # number of measured reflections (redundant set) _diffrn_reflns_number 6528 _diffrn_reflns_av_R_equivalents 0.1381 _diffrn_reflns_av_sigmaI/netI 0.2119 _diffrn_reflns_limit_h_min -15 _diffrn_reflns_limit_h_max 21 _diffrn_reflns_limit_k_min -15 _diffrn_reflns_limit_k_max 21 _diffrn_reflns_limit_l_min -25 _diffrn_reflns_limit_l_max 24 _diffrn_reflns_theta_min 1.79 _diffrn_reflns_theta_max 22.00 # number of unique reflections _reflns_number_total 3149 # number of observed reflections (> n sig(I)) _reflns_number_gt 1299 _reflns_threshold_expression 'I>2sigma(I)' _computing_data_collection 'Locally modified CAD4-Version 5 Software' _computing_cell_refinement 'SET4 (de Boer & Duisenberg, 1984)' _computing_data_reduction 'HELENA (Spek, 1997)' _computing_structure_solution 'SHELXS86' _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_molecular_graphics ? _computing_publication_material 'PLATON (Spek, 1990)' #=============================================================================== # 8. REFINEMENT DATA _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme 'calc' _refine_ls_weighting_details 'w = 1/[sigma^2^(Fo^2^) +(0.0177P)^2^)]' _refine_ls_hydrogen_treatment 'H-atom refinement: see text ' _refine_ls_extinction_method none _refine_ls_abs_structure_details none _refine_ls_abs_structure_Flack none _refine_ls_number_reflns 3149 _refine_ls_number_parameters 281 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.1953 _refine_ls_R_factor_gt 0.0754 _refine_ls_wR_factor_ref 0.1121 _refine_ls_wR_factor_gt 0.0887 _refine_ls_goodness_of_fit_ref 0.892 _refine_ls_restrained_S_all 0.892 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_diff_density_max 0.233 _refine_diff_density_min -0.249 _refine_diff_density_rms 0.060 #=============================================================================== # 9. ATOMIC COORDINATES AND THERMAL PARAMETERS loop_ _atom_site_label _atom_site_thermal_displace_type _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Si1 Uani -0.01534(12) 0.41686(13) 0.36049(10) 1.000 0.0298(7) Si2 Uani 0.03755(12) -0.25036(14) 0.37233(11) 1.000 0.0369(9) N1 Uani -0.1365(3) 0.0046(3) 0.3400(3) 1.000 0.034(2) N2 Uani 0.1656(3) 0.1599(3) 0.3849(3) 1.000 0.029(2) C1 Uani -0.1417(4) 0.1579(4) 0.3277(4) 1.000 0.030(3) C2 Uani -0.0689(4) 0.1657(4) 0.3075(3) 1.000 0.025(3) C3 Uani -0.0347(3) 0.2456(4) 0.3219(3) 1.000 0.022(2) C4 Uani -0.0665(4) 0.3132(4) 0.3490(3) 1.000 0.021(3) C5 Uani -0.1395(5) 0.2996(4) 0.3649(4) 1.000 0.045(3) C6 Uani -0.1758(4) 0.2216(4) 0.3559(4) 1.000 0.051(3) C7 Uani -0.1899(4) 0.0755(4) 0.3172(4) 1.000 0.039(3) C8 Uani -0.0995(4) 0.0051(4) 0.4170(3) 1.000 0.064(4) C9 Uani -0.1854(4) -0.0713(4) 0.3166(4) 1.000 0.053(3) C10 Uani 0.1671(4) 0.0056(4) 0.3808(3) 1.000 0.030(3) C11 Uani 0.0869(4) -0.0041(4) 0.3324(3) 1.000 0.022(2) C12 Uani 0.0538(4) -0.0822(4) 0.3364(3) 1.000 0.029(2) C13 Uani 0.0918(4) -0.1488(4) 0.3803(4) 1.000 0.029(3) C14 Uani 0.1710(4) -0.1338(4) 0.4252(3) 1.000 0.035(3) C15 Uani 0.2060(4) -0.0572(4) 0.4265(3) 1.000 0.034(3) C16 Uani 0.2154(4) 0.0849(4) 0.3840(3) 1.000 0.033(3) C17 Uani 0.1477(4) 0.1635(4) 0.4525(3) 1.000 0.048(3) C18 Uani 0.2101(4) 0.2327(4) 0.3724(3) 1.000 0.039(3) C19 Uani 0.0675(4) 0.4235(4) 0.4483(3) 1.000 0.047(3) C20 Uani -0.0950(4) 0.4971(4) 0.3561(3) 1.000 0.043(3) C21 Uani 0.0323(3) 0.4337(4) 0.2875(3) 1.000 0.028(3) C22 Uani -0.0314(4) -0.2503(5) 0.4297(3) 1.000 0.055(3) C23 Uani 0.1138(4) -0.3352(4) 0.4016(4) 1.000 0.055(3) C24 Uani -0.0251(4) -0.2668(4) 0.2775(3) 1.000 0.041(3) Li1 Uani -0.0508(6) 0.0290(6) 0.2906(6) 1.000 0.026(4) Li2 Uani 0.0608(7) 0.1321(7) 0.3077(6) 1.000 0.032(5) H31 Uiso 0.0154(3) 0.2542(4) 0.3121(3) 1.000 0.034(5) H51 Uiso -0.1648(5) 0.3427(4) 0.3818(4) 1.000 0.034(5) H61 Uiso -0.2237(4) 0.2125(4) 0.3690(4) 1.000 0.034(5) H71 Uiso -0.2299(4) 0.0773(4) 0.3438(4) 1.000 0.034(5) H72 Uiso -0.2207(4) 0.0692(4) 0.2672(4) 1.000 0.034(5) H81 Uiso -0.069(2) 0.0551(12) 0.4312(4) 1.000 0.061(5) H82 Uiso -0.0629(19) -0.0414(14) 0.4311(4) 1.000 0.061(5) H83 Uiso -0.1428(5) 0.002(3) 0.4394(3) 1.000 0.061(5) H91 Uiso -0.2113(19) -0.0695(11) 0.2660(5) 1.000 0.061(5) H92 Uiso -0.2276(15) -0.0756(12) 0.3402(15) 1.000 0.061(5) H93 Uiso -0.1491(5) -0.1183(4) 0.3285(18) 1.000 0.061(5) H121 Uiso 0.0002(4) -0.0916(4) 0.3064(3) 1.000 0.034(5) H141 Uiso 0.2006(4) -0.1756(4) 0.4544(3) 1.000 0.034(5) H151 Uiso 0.2579(4) -0.0470(4) 0.4593(3) 1.000 0.034(5) H161 Uiso 0.2633(4) 0.0843(4) 0.4264(3) 1.000 0.034(5) H162 Uiso 0.2360(4) 0.0874(4) 0.3430(3) 1.000 0.034(5) H171 Uiso 0.1991(4) 0.164(2) 0.4908(3) 1.000 0.061(5) H172 Uiso 0.1157(19) 0.1161(12) 0.4571(9) 1.000 0.061(5) H173 Uiso 0.117(2) 0.2126(12) 0.4542(8) 1.000 0.061(5) H181 Uiso 0.216(2) 0.2299(12) 0.3256(8) 1.000 0.061(5) H182 Uiso 0.2642(10) 0.2349(13) 0.4072(13) 1.000 0.061(5) H183 Uiso 0.1792(12) 0.2813(4) 0.376(2) 1.000 0.061(5) H191 Uiso 0.0432(6) 0.414(3) 0.4860(3) 1.000 0.061(5) H192 Uiso 0.0923(18) 0.4774(9) 0.4537(10) 1.000 0.061(5) H193 Uiso 0.1094(13) 0.3827(17) 0.4504(9) 1.000 0.061(5) H201 Uiso -0.1398(10) 0.4911(13) 0.3126(8) 1.000 0.034(5) H202 Uiso -0.0702(6) 0.5506(4) 0.3574(17) 1.000 0.034(5) H203 Uiso -0.1161(15) 0.4911(12) 0.3960(10) 1.000 0.034(5) H211 Uiso 0.0615(3) 0.4861(4) 0.2951(3) 1.000 0.034(5) H212 Uiso 0.0730(3) 0.3907(4) 0.2895(3) 1.000 0.034(5) H221 Uiso -0.062(2) -0.3010(12) 0.4234(17) 1.000 0.061(5) H222 Uiso -0.0695(18) -0.2048(16) 0.4169(16) 1.000 0.061(5) H223 Uiso 0.0016(4) -0.245(3) 0.4787(4) 1.000 0.061(5) H231 Uiso 0.1473(16) -0.3389(15) 0.3700(12) 1.000 0.061(5) H232 Uiso 0.0846(4) -0.3862(5) 0.401(2) 1.000 0.061(5) H233 Uiso 0.1489(16) -0.3245(12) 0.4491(8) 1.000 0.061(5) H241 Uiso -0.0540(4) -0.3191(4) 0.2740(3) 1.000 0.034(5) H242 Uiso -0.0672(4) -0.2240(4) 0.2641(3) 1.000 0.034(5) 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 Si1 0.0390(14) 0.0216(11) 0.0292(13) -0.0030(11) 0.0110(11) 0.0003(11) Si2 0.0416(14) 0.0247(12) 0.047(2) 0.0091(13) 0.0175(11) 0.0041(12) N1 0.042(4) 0.021(4) 0.039(4) 0.008(3) 0.011(3) 0.000(3) N2 0.029(4) 0.023(4) 0.034(4) -0.005(3) 0.007(3) 0.003(3) C1 0.030(5) 0.024(5) 0.039(5) 0.002(4) 0.015(4) 0.000(4) C2 0.025(5) 0.028(5) 0.016(4) 0.003(3) -0.001(3) -0.003(4) C3 0.014(4) 0.034(4) 0.021(4) -0.004(4) 0.008(3) 0.002(4) C4 0.030(5) 0.019(4) 0.019(4) 0.004(4) 0.015(4) 0.005(3) C5 0.060(6) 0.038(6) 0.054(6) -0.002(5) 0.044(5) 0.008(4) C6 0.036(5) 0.042(6) 0.094(7) -0.004(5) 0.050(5) 0.001(4) C7 0.042(5) 0.014(4) 0.065(6) 0.006(4) 0.020(4) 0.003(4) C8 0.113(8) 0.046(6) 0.036(5) 0.021(5) 0.026(5) 0.000(5) C9 0.058(6) 0.028(5) 0.081(6) 0.008(5) 0.031(5) -0.008(4) C10 0.030(5) 0.030(5) 0.029(5) 0.001(4) 0.008(4) 0.000(4) C11 0.024(4) 0.017(4) 0.025(4) 0.002(4) 0.006(3) 0.003(3) C12 0.020(4) 0.032(4) 0.033(4) 0.005(4) 0.004(4) 0.006(4) C13 0.027(5) 0.035(5) 0.028(5) -0.006(4) 0.013(4) 0.008(4) C14 0.046(5) 0.022(5) 0.032(5) 0.012(4) 0.004(4) 0.009(4) C15 0.018(5) 0.044(6) 0.031(5) 0.000(4) -0.005(4) 0.003(4) C16 0.026(4) 0.040(5) 0.029(4) -0.006(4) 0.003(3) -0.005(4) C17 0.062(6) 0.049(6) 0.033(5) -0.005(4) 0.015(4) 0.000(5) C18 0.044(5) 0.020(5) 0.044(5) -0.004(4) 0.000(4) -0.015(4) C19 0.063(6) 0.035(5) 0.037(5) 0.001(5) 0.004(4) -0.006(4) C20 0.044(5) 0.032(5) 0.055(6) 0.006(4) 0.016(4) 0.004(4) C21 0.036(5) 0.021(4) 0.030(4) -0.003(3) 0.014(3) -0.002(4) C22 0.066(6) 0.041(5) 0.060(6) 0.022(5) 0.023(5) 0.002(5) C23 0.040(5) 0.038(6) 0.089(7) 0.008(5) 0.023(5) 0.004(4) C24 0.048(5) 0.018(4) 0.059(6) 0.004(4) 0.020(4) 0.000(4) Li1 0.029(7) 0.017(7) 0.027(7) -0.001(5) -0.001(6) 0.003(5) Li2 0.040(8) 0.019(7) 0.042(9) -0.001(6) 0.021(7) 0.000(6) #=============================================================================== # 10. MOLECULAR GEOMETRY _geom_special_details ; Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All esds are estimated from the variances of the (full) variance-covariance matrix. The cell esds are taken into account in the estimation of distances, angles and torsion angles ; 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 Si1 C4 1.871(7) . . yes Si1 C19 1.867(6) . . yes Si1 C20 1.851(7) . . yes Si1 C21 1.864(6) . . yes Si2 C13 1.867(7) . . yes Si2 C22 1.847(7) . . yes Si2 C23 1.851(7) . . yes Si2 C24 1.865(6) . . yes N1 C7 1.445(8) . . yes N1 C8 1.454(8) . . yes N1 C9 1.475(8) . . yes N1 Li1 2.007(12) . . yes N2 C16 1.480(8) . . yes N2 C17 1.451(8) . . yes N2 C18 1.458(8) . . yes N2 Li2 2.001(13) . . yes C1 C2 1.403(10) . . no C1 C6 1.377(10) . . no C1 C7 1.545(9) . . no C2 C3 1.412(9) . . no C2 Li1 2.276(12) . . yes C2 Li2 2.248(14) . . yes C2 Li2 2.375(13) . 2_555 yes C3 C4 1.395(9) . . no C4 C5 1.374(11) . . no C5 C6 1.393(10) . . no C10 C11 1.406(9) . . no C10 C15 1.385(9) . . no C10 C16 1.513(9) . . no C11 C12 1.396(9) . . no C11 Li1 2.276(13) . . yes C11 Li2 2.276(13) . . yes C11 Li1 2.372(13) . 2_555 yes C12 C13 1.410(9) . . no C13 C14 1.380(10) . . no C14 C15 1.372(9) . . no C21 C21 1.546(8) . 2_555 no C24 C24 1.561(9) . 2_555 no C3 H31 0.930(8) . . no C5 H51 0.931(10) . . no C6 H61 0.929(10) . . no C7 H71 0.970(10) . . no C7 H72 0.969(11) . . no C8 H81 0.96(2) . . no C8 H82 0.96(3) . . no C8 H83 0.960(11) . . no C9 H91 0.959(13) . . no C9 H92 0.96(3) . . no C9 H93 0.961(14) . . no C12 H121 0.929(9) . . no C14 H141 0.930(9) . . no C15 H151 0.931(9) . . no C16 H161 0.969(9) . . no C16 H162 0.970(9) . . no C17 H171 0.960(9) . . no C17 H172 0.96(3) . . no C17 H173 0.96(3) . . no C18 H181 0.96(2) . . no C18 H182 0.96(2) . . no C18 H183 0.959(16) . . no C19 H191 0.961(13) . . no C19 H192 0.961(19) . . no C19 H193 0.96(3) . . no C20 H201 0.960(17) . . no C20 H202 0.960(11) . . no C20 H203 0.96(2) . . no C21 H211 0.970(9) . . no C21 H212 0.970(8) . . no C22 H221 0.96(3) . . no C22 H222 0.96(3) . . no C22 H223 0.960(10) . . no C23 H231 0.96(3) . . no C23 H232 0.960(12) . . no C23 H233 0.959(18) . . no C24 H241 0.970(9) . . no C24 H242 0.970(9) . . no 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_angle_publ_flag C4 Si1 C19 110.6(3) . . . yes C4 Si1 C20 109.0(3) . . . yes C4 Si1 C21 109.1(3) . . . yes C19 Si1 C20 109.3(3) . . . yes C19 Si1 C21 109.3(3) . . . yes C20 Si1 C21 109.5(3) . . . yes C13 Si2 C22 109.2(3) . . . yes C13 Si2 C23 110.8(3) . . . yes C13 Si2 C24 108.9(3) . . . yes C22 Si2 C23 108.3(3) . . . yes C22 Si2 C24 110.0(3) . . . yes C23 Si2 C24 109.5(3) . . . yes C7 N1 C8 110.5(5) . . . yes C7 N1 C9 109.4(5) . . . yes C7 N1 Li1 99.4(5) . . . yes C8 N1 C9 110.7(5) . . . yes C8 N1 Li1 111.1(5) . . . yes C9 N1 Li1 115.3(5) . . . yes C16 N2 C17 108.6(5) . . . yes C16 N2 C18 110.0(5) . . . yes C16 N2 Li2 100.2(5) . . . yes C17 N2 C18 112.4(5) . . . yes C17 N2 Li2 109.0(5) . . . yes C18 N2 Li2 115.7(5) . . . yes C2 C1 C6 123.5(6) . . . no C2 C1 C7 120.5(6) . . . no C6 C1 C7 115.9(6) . . . no C1 C2 C3 111.3(6) . . . no C1 C2 Li1 96.9(5) . . . yes C1 C2 Li2 155.2(6) . . . yes C1 C2 Li2 123.8(6) . . 2_555 yes C3 C2 Li1 149.2(6) . . . yes C3 C2 Li2 83.4(5) . . . yes C3 C2 Li2 105.4(5) . . 2_555 yes Li1 C2 Li2 65.9(4) . . . yes Li1 C2 Li2 65.7(4) . . 2_555 yes Li2 C2 Li2 67.1(4) . . 2_555 yes C2 C3 C4 128.2(6) . . . no Si1 C4 C3 122.5(5) . . . yes Si1 C4 C5 121.8(5) . . . yes C3 C4 C5 115.7(6) . . . no C4 C5 C6 120.3(7) . . . no C1 C6 C5 120.9(7) . . . no N1 C7 C1 113.3(6) . . . yes C11 C10 C15 121.7(6) . . . no C11 C10 C16 121.1(6) . . . no C15 C10 C16 117.1(6) . . . no C10 C11 C12 112.4(6) . . . no C10 C11 Li1 151.9(5) . . . yes C10 C11 Li2 96.9(5) . . . yes C10 C11 Li1 124.3(5) . . 2_555 yes C12 C11 Li1 81.6(5) . . . yes C12 C11 Li2 147.0(6) . . . yes C12 C11 Li1 106.2(5) . . 2_555 yes Li1 C11 Li2 65.4(4) . . . yes Li1 C11 Li1 70.0(4) . . 2_555 yes Li1 C11 Li2 65.7(4) 2_555 . . yes C11 C12 C13 128.0(6) . . . no Si2 C13 C12 120.3(5) . . . yes Si2 C13 C14 124.2(5) . . . yes C12 C13 C14 115.4(6) . . . no C13 C14 C15 119.8(6) . . . no C10 C15 C14 122.5(6) . . . no N2 C16 C10 113.6(6) . . . yes Si1 C21 C21 113.2(4) . . 2_555 yes Si2 C24 C24 115.7(5) . . 2_555 yes C4 C3 H31 115.9(7) . . . no C2 C3 H31 115.8(7) . . . no C4 C5 H51 119.8(9) . . . no C6 C5 H51 119.8(10) . . . no C1 C6 H61 119.6(8) . . . no C5 C6 H61 119.5(8) . . . no N1 C7 H71 108.9(7) . . . no N1 C7 H72 108.9(7) . . . no H71 C7 H72 107.8(9) . . . no C1 C7 H71 108.9(7) . . . no C1 C7 H72 109.0(7) . . . no N1 C8 H81 109.4(8) . . . no N1 C8 H82 109.4(8) . . . no N1 C8 H83 109.4(7) . . . no H81 C8 H82 110(2) . . . no H82 C8 H83 110(3) . . . no H81 C8 H83 109(3) . . . no H91 C9 H92 109(3) . . . no N1 C9 H93 109.4(12) . . . no N1 C9 H91 109.5(14) . . . no H91 C9 H93 109(2) . . . no H92 C9 H93 109(2) . . . no N1 C9 H92 109.5(14) . . . no C11 C12 H121 116.1(7) . . . no C13 C12 H121 115.9(8) . . . no C13 C14 H141 120.0(8) . . . no C15 C14 H141 120.1(8) . . . no C14 C15 H151 118.8(7) . . . no C10 C15 H151 118.7(8) . . . no N2 C16 H161 108.9(7) . . . no N2 C16 H162 108.7(7) . . . no H161 C16 H162 107.7(9) . . . no C10 C16 H161 108.9(7) . . . no C10 C16 H162 108.9(7) . . . no N2 C17 H172 109.4(13) . . . no H171 C17 H173 109(2) . . . no N2 C17 H173 109.2(12) . . . no H171 C17 H172 109(2) . . . no N2 C17 H171 109.4(7) . . . no H172 C17 H173 110(3) . . . no N2 C18 H183 109.6(14) . . . no H181 C18 H183 109(3) . . . no H182 C18 H183 110(2) . . . no H181 C18 H182 110(2) . . . no N2 C18 H181 109.4(15) . . . no N2 C18 H182 109.5(14) . . . no H192 C19 H193 110(2) . . . no H191 C19 H193 110(3) . . . no Si1 C19 H191 109.4(8) . . . no Si1 C19 H192 109.4(13) . . . no Si1 C19 H193 109.5(12) . . . no H191 C19 H192 109(3) . . . no Si1 C20 H203 109.4(14) . . . no H201 C20 H202 109(2) . . . no Si1 C20 H202 109.4(10) . . . no Si1 C20 H201 109.4(13) . . . no H202 C20 H203 110(2) . . . no H201 C20 H203 109.6(18) . . . no C21 C21 H212 108.8(6) 2_555 . . no C21 C21 H211 108.9(6) 2_555 . . no Si1 C21 H211 109.0(5) . . . no Si1 C21 H212 109.0(6) . . . no H211 C21 H212 107.8(7) . . . no H221 C22 H222 110(3) . . . no H221 C22 H223 109(3) . . . no H222 C22 H223 109(3) . . . no Si2 C22 H222 109.4(19) . . . no Si2 C22 H223 109.5(7) . . . no Si2 C22 H221 109(2) . . . no Si2 C23 H231 109.4(16) . . . no Si2 C23 H232 109.4(11) . . . no H232 C23 H233 109(3) . . . no Si2 C23 H233 109.5(14) . . . no H231 C23 H232 110(2) . . . no H231 C23 H233 110(2) . . . no Si2 C24 H241 108.4(6) . . . no Si2 C24 H242 108.4(6) . . . no H241 C24 H242 107.3(9) . . . no C24 C24 H242 108.4(6) 2_555 . . no C24 C24 H241 108.4(7) 2_555 . . no N1 Li1 C11 125.5(6) . . . yes N1 Li1 C2 88.5(4) . . . yes C2 Li1 C11 111.4(5) . . 2_555 yes N1 Li1 C11 116.7(5) . . 2_555 yes C2 Li1 C11 110.1(5) . . . yes C11 Li1 C11 103.6(5) . . 2_555 yes N2 Li2 C11 89.3(5) . . . yes N2 Li2 C2 112.4(6) . . 2_555 yes C2 Li2 C2 106.1(5) . . 2_555 yes C2 Li2 C11 111.3(5) 2_555 . . yes C2 Li2 C11 111.1(6) . . . yes N2 Li2 C2 125.4(6) . . . yes 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 _geom_torsion_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion_publ_flag C19 Si1 C4 C3 -86.0(5) . . . . no C19 Si1 C4 C5 95.9(6) . . . . no C20 Si1 C4 C3 153.8(5) . . . . no C20 Si1 C4 C5 -24.2(6) . . . . no C21 Si1 C4 C3 34.2(6) . . . . no C21 Si1 C4 C5 -143.8(5) . . . . no C4 Si1 C21 C21 61.9(5) . . . 2_555 no C19 Si1 C21 C21 -177.1(4) . . . 2_555 no C20 Si1 C21 C21 -57.4(5) . . . 2_555 no C22 Si2 C13 C12 -86.9(6) . . . . no C22 Si2 C13 C14 96.3(6) . . . . no C23 Si2 C13 C12 153.9(6) . . . . no C23 Si2 C13 C14 -22.9(7) . . . . no C24 Si2 C13 C12 33.3(7) . . . . no C24 Si2 C13 C14 -143.4(6) . . . . no C13 Si2 C24 C24 59.3(5) . . . 2_555 no C22 Si2 C24 C24 179.0(5) . . . 2_555 no C23 Si2 C24 C24 -62.0(5) . . . 2_555 no C9 N1 C7 C1 -170.1(6) . . . . no Li1 N1 C7 C1 -49.0(7) . . . . no C7 N1 Li1 C11 147.1(6) . . . . no C7 N1 Li1 C11 -80.0(6) . . . 2_555 no C7 N1 Li1 C2 33.4(5) . . . . no C8 N1 C7 C1 67.8(7) . . . . no C8 N1 Li1 C11 163.7(5) . . . 2_555 no C9 N1 Li1 C2 150.1(5) . . . . no C9 N1 Li1 C11 -96.1(7) . . . . no C9 N1 Li1 C11 36.8(7) . . . 2_555 no C8 N1 Li1 C2 -83.0(5) . . . . no C8 N1 Li1 C11 30.8(8) . . . . no C17 N2 C16 C10 68.9(6) . . . . no C17 N2 Li2 C11 -85.6(5) . . . . no C18 N2 C16 C10 -167.7(5) . . . . no Li2 N2 C16 C10 -45.3(6) . . . . no C16 N2 Li2 C2 144.0(6) . . . . no C16 N2 Li2 C11 28.3(5) . . . . no C16 N2 Li2 C2 -84.5(6) . . . 2_555 no C17 N2 Li2 C2 30.1(8) . . . . no C18 N2 Li2 C11 146.5(5) . . . . no C17 N2 Li2 C2 161.6(5) . . . 2_555 no C18 N2 Li2 C2 -97.8(8) . . . . no C18 N2 Li2 C2 33.7(8) . . . 2_555 no C6 C1 C2 C3 1.8(10) . . . . no C6 C1 C2 Li1 169.4(7) . . . . no C6 C1 C2 Li2 125.3(12) . . . . no C6 C1 C2 Li2 -125.3(8) . . . 2_555 no C7 C1 C2 C3 -179.8(6) . . . . no C7 C1 C2 Li1 -12.2(7) . . . . no C7 C1 C2 Li2 -56.3(16) . . . . no C7 C1 C2 Li2 53.1(9) . . . 2_555 no C2 C1 C6 C5 1.2(11) . . . . no C7 C1 C6 C5 -177.3(7) . . . . no C2 C1 C7 N1 45.4(9) . . . . no C6 C1 C7 N1 -136.0(7) . . . . no C3 C2 Li2 C2 46.9(6) . . 2_555 2_555 no C3 C2 Li2 C11 167.9(5) . . 2_555 2_555 no Li1 C2 Li2 N2 117.7(6) . . 2_555 2_555 no Li1 C2 Li2 C2 -101.8(6) . . 2_555 2_555 no Li1 C2 Li2 C11 19.3(5) . . 2_555 2_555 no Li2 C2 Li2 N2 -169.5(7) . . 2_555 2_555 no Li2 C2 Li2 C2 -29.0(5) . . 2_555 2_555 no Li2 C2 Li2 C11 92.1(6) . . 2_555 2_555 no C3 C2 Li1 C11 -97.5(10) . . . 2_555 no Li2 C2 Li1 N1 148.7(6) . . . . no Li2 C2 Li1 C11 21.2(5) . . . . no Li2 C2 Li1 C11 -93.1(6) . . . 2_555 no Li2 C2 Li1 N1 -136.7(6) 2_555 . . . no Li2 C2 Li1 C11 95.8(6) 2_555 . . . no Li2 C2 Li1 C11 -18.5(5) 2_555 . . 2_555 no C1 C2 Li2 N2 -77.2(15) . . . . no C1 C2 Li2 C11 27.8(16) . . . . no C1 C2 Li2 C2 148.9(12) . . . 2_555 no C3 C2 Li2 N2 51.4(7) . . . . no C3 C2 Li2 C11 156.3(6) . . . . no C3 C2 Li2 C2 -82.5(5) . . . 2_555 no Li1 C2 Li2 N2 -126.3(8) . . . . no Li1 C2 Li2 C11 -21.4(5) . . . . no Li1 C2 Li2 C2 99.8(5) . . . 2_555 no Li2 C2 Li2 N2 161.1(8) 2_555 . . . no Li2 C2 Li2 C11 -93.9(6) 2_555 . . . no Li2 C2 Li2 C2 27.3(5) 2_555 . . 2_555 no C1 C2 Li2 N2 36.0(9) . . 2_555 2_555 no C1 C2 Li2 C2 176.5(6) . . 2_555 2_555 no C1 C2 Li2 C11 -62.5(8) . . 2_555 2_555 no C3 C2 Li2 N2 -93.6(6) . . 2_555 2_555 no C1 C2 C3 C4 -3.2(9) . . . . no Li1 C2 C3 C4 -158.5(8) . . . . no Li2 C2 C3 C4 -162.6(7) . . . . no Li2 C2 C3 C4 133.4(6) 2_555 . . . no C1 C2 Li1 N1 -12.6(5) . . . . no C1 C2 Li1 C11 -140.1(6) . . . . no C1 C2 Li1 C11 105.6(6) . . . 2_555 no C3 C2 Li1 N1 144.3(9) . . . . no C3 C2 Li1 C11 16.8(12) . . . . no C2 C3 C4 Si1 -176.8(5) . . . . no C2 C3 C4 C5 1.4(9) . . . . no Si1 C4 C5 C6 -179.8(5) . . . . no C3 C4 C5 C6 2.0(10) . . . . no C4 C5 C6 C1 -3.2(11) . . . . no C15 C10 C11 C12 -0.3(9) . . . . no C15 C10 C11 Li1 115.7(11) . . . . no C15 C10 C11 Li2 164.1(6) . . . . no C15 C10 C11 Li1 -130.6(6) . . . 2_555 no C16 C10 C11 C12 178.4(6) . . . . no C16 C10 C11 Li1 -65.6(13) . . . . no C16 C10 C11 Li2 -17.2(7) . . . . no C16 C10 C11 Li1 48.1(9) . . . 2_555 no C11 C10 C15 C14 3.3(10) . . . . no C16 C10 C15 C14 -175.4(6) . . . . no C11 C10 C16 N2 46.7(8) . . . . no C15 C10 C16 N2 -134.5(6) . . . . no C12 C11 Li1 C11 46.8(6) . . 2_555 2_555 no Li1 C11 Li1 N1 -169.9(6) . . 2_555 2_555 no Li1 C11 Li1 C2 90.6(5) . . 2_555 2_555 no Li1 C11 Li1 C11 -27.7(4) . . 2_555 2_555 no Li2 C11 Li1 N1 118.9(6) . . 2_555 2_555 no Li2 C11 Li1 C2 19.3(5) . . 2_555 2_555 no Li2 C11 Li1 C11 -99.0(5) . . 2_555 2_555 no C12 C11 Li1 N1 53.5(7) . . . . no C12 C11 Li1 C2 156.6(6) . . . . no C12 C11 Li1 C11 -84.2(5) . . . 2_555 no Li2 C11 Li1 N1 -124.1(7) . . . . no Li2 C11 Li1 C2 -21.0(5) . . . . no Li2 C11 Li1 C11 98.2(5) . . . 2_555 no Li1 C11 Li1 N1 164.2(7) 2_555 . . . no C10 C11 Li2 N2 -7.7(6) . . . . no C10 C11 Li2 C2 -135.8(6) . . . . no C10 C11 Li2 C2 106.2(6) . . . 2_555 no C12 C11 Li2 N2 145.2(8) . . . . no C12 C11 Li2 C2 17.2(12) . . . . no C12 C11 Li2 C2 -100.9(10) . . . 2_555 no Li1 C11 Li2 N2 149.5(6) . . . . no Li1 C11 Li2 C2 21.5(5) . . . . no Li1 C11 Li2 C2 -96.6(6) . . . 2_555 no Li1 C11 Li2 N2 -132.4(6) 2_555 . . . no Li1 C11 Li2 C2 99.6(6) 2_555 . . . no Li1 C11 Li2 C2 -18.5(5) 2_555 . . 2_555 no C10 C11 Li1 N1 37.4(8) . . 2_555 2_555 no C10 C11 Li1 C2 -62.1(8) . . 2_555 2_555 no C10 C11 Li1 C11 179.5(6) . . 2_555 2_555 no C12 C11 Li1 N1 -95.3(7) . . 2_555 2_555 no C12 C11 Li1 C2 165.1(5) . . 2_555 2_555 no C10 C11 C12 C13 -1.8(10) . . . . no Li1 C11 C12 C13 -156.5(7) . . . . no Li2 C11 C12 C13 -152.5(8) . . . . no Li1 C11 C12 C13 137.2(7) 2_555 . . . no C10 C11 Li1 N1 -69.4(13) . . . . no C10 C11 Li1 C2 33.7(14) . . . . no C10 C11 Li1 C11 152.9(10) . . . 2_555 no Li1 C11 Li1 C2 -92.7(5) 2_555 . . . no Li1 C11 Li1 C11 26.5(4) 2_555 . . 2_555 no C11 C12 C13 C14 0.9(10) . . . . no C11 C12 C13 Si2 -176.2(5) . . . . no C12 C13 C14 C15 2.2(10) . . . . no Si2 C13 C14 C15 179.1(5) . . . . no C13 C14 C15 C10 -4.3(10) . . . . no Si1 C21 C21 Si1 -161.7(3) . . 2_555 2_555 no Si2 C24 C24 Si2 -161.7(3) . . 2_555 2_555 no loop_ _geom_contact_atom_site_label_1 _geom_contact_atom_site_label_2 _geom_contact_distance _geom_contact_site_symmetry_1 _geom_contact_site_symmetry_2 _geom_contact_publ_flag N2 H31 2.931(8) . . no C2 Li1 3.879(12) . 2_555 no C2 C8 3.516(9) . . no C3 C3 3.371(8) . 2_555 no C11 Li2 3.811(13) . 2_555 no C11 C17 3.544(9) . . no C12 C12 3.335(8) . 2_555 no C1 H81 2.631(17) . . no C2 H81 3.024(16) . . no C3 H31 2.756(8) . 2_555 no C3 H173 3.09(2) . . no C4 H212 2.973(8) . 2_555 no C7 H162 3.017(9) . 2_555 no C10 H172 2.65(2) . . no C11 H121 3.034(8) . 2_555 no C11 H172 3.056(19) . . no C12 H121 2.684(8) . 2_555 no C12 H242 3.086(9) . 2_555 no C13 H242 3.004(9) . 2_555 no C15 H51 3.048(11) . 5_545 no C16 H72 3.014(9) . 2_555 no C20 H51 2.875(10) . . no C21 H31 2.979(9) . . no C23 H141 3.000(9) . . no C23 H61 3.089(10) . 5_545 no C24 H121 2.904(9) . . no H31 N2 2.931(8) . . no H31 C21 2.979(9) . . no H31 H212 2.510(9) . . no H31 C3 2.756(8) . 2_555 no H31 H31 2.340(8) . 2_555 no H51 C20 2.875(10) . . no H51 H203 2.53(2) . . no H51 C15 3.048(11) . 5_455 no H61 H71 2.244(9) . . no H61 C23 3.089(10) . 5_455 no H61 H231 2.33(3) . 5_455 no H71 H61 2.244(9) . . no H71 H83 2.35(3) . . no H71 H92 2.48(2) . . no H72 H91 2.256(19) . . no H72 C16 3.014(9) . 2_555 no H72 H162 2.126(9) . 2_555 no H81 C1 2.631(17) . . no H81 C2 3.024(16) . . no H82 H93 2.44(3) . . no H83 H71 2.35(3) . . no H83 H92 2.40(4) . . no H91 H72 2.256(19) . . no H92 H71 2.48(2) . . no H92 H83 2.40(4) . . no H93 H82 2.44(3) . . no H93 H222 2.32(4) . . no H121 C24 2.904(9) . . no H121 H242 2.454(9) . . no H121 C11 3.034(8) . 2_555 no H121 C12 2.684(8) . 2_555 no H121 H121 2.218(8) . 2_555 no H141 C23 3.000(9) . . no H141 H233 2.56(2) . . no H151 H161 2.236(9) . . no H161 H151 2.236(9) . . no H161 H171 2.30(2) . . no H161 H182 2.47(2) . . no H162 H181 2.35(2) . . no H162 C7 3.017(9) . 2_555 no H162 H72 2.126(9) . 2_555 no H171 H161 2.30(2) . . no H171 H182 2.51(3) . . no H171 H182 2.52(3) . 7_556 no H172 C10 2.65(2) . . no H172 C11 3.056(19) . . no H173 C3 3.09(2) . . no H173 H183 2.38(4) . . no H181 H162 2.35(2) . . no H182 H161 2.47(2) . . no H182 H171 2.51(3) . . no H182 H171 2.52(3) . 7_556 no H183 H173 2.38(4) . . no H191 H221 2.51(4) . 3_556 no H192 H232 2.43(2) . 1_565 no H203 H51 2.53(2) . . no H212 H31 2.510(9) . . no H212 C4 2.973(8) . 2_555 no H221 H191 2.51(4) . 3_556 no H222 H93 2.32(4) . . no H231 H61 2.33(3) . 5_545 no H232 H192 2.43(2) . 1_545 no H233 H141 2.56(2) . . no H242 H121 2.454(9) . . no H242 C12 3.086(9) . 2_555 no H242 C13 3.004(9) . 2_555 no