#data_New_Global_Publ_Block data_global _audit_creation_method ; manual editing of the CIF file created by SHELXTL Ver. 2008/4 and processed with modiCIfer-03272007. ; # 1. SUBMISSION DETAILS _publ_contact_author_name ; Guzei, Ilia A. ; _publ_contact_author_address ; Department of Chemistry University of Wisconsin-Madison 1101 University Ave Madison, WI 53706 USA ; _publ_contact_author_phone '608-263-4694' _publ_contact_author_fax '608-262-0381' _publ_contact_author_email iguzei@chem.wisc.edu _publ_contact_letter ; Please consider this CIF submission for publication in ; _publ_requested_journal ; ; _publ_requested_category FA # FA 'Full article' # FI 'Full submission - inorganic (Acta C)' # FO 'Full submission - organic (Acta C)' # FM 'Full submission - metal-organic (Acta C)' # CI 'CIF-access paper - inorganic (Acta C)' # CO 'CIF-access paper - organic (Acta C)' # CM 'CIF-access paper - metal-organic (Acta C)' # 2. TITLE AND AUTHOR LIST _publ_section_title ; ; loop_ _publ_author_name _publ_author_address 'Guzei, Ilia A.' ; Department of Chemistry University of Wisconsin-Madison 1101 University Ave Madison, WI 53706 USA ; '' ; Department of Chemistry University of Wisconsin-Madison 1101 University Ave Madison, WI 53706 USA ; _publ_section_synopsis ; ; _publ_section_abstract ; ; _publ_section_comment ; ; _publ_section_references ; Allen, F.H. (2002). Acta Cryst. B58, 380-388. Bruker-AXS. (2010). APEX2 (V2010.11-3), SADABS, SAINTPLUS (V 7.68A), SHELXTL. Bruker-AXS Inc., Madison, WI, USA. Bruno, I. J., Cole, J. C., Edgington, P. R., Kessler, M., Macrae, C. F., McCabe, P., Pearson, J, & Taylor, R. (2002). Acta Cryst. B58, 389-397. Cremer D. & Pople J.A. (1975). J. Am. Chem. Soc. 97, 1358-1367. Dolomanov, O. V., Bourhis, L. J., Gildea, R. J., Howard, J. A. K. & Pushmann, H. (2009). J. Appl. Cryst. 42, 339--341. Frisch, M. J., Trucks, G. W., Schlegel, H. B., Scuseria, G. E., Robb, M. A., Cheeseman, J. R., Montgomery, Jr., J. A., Vreven, T., Kudin, K. N., Burant, J. C., Millam, J. M., Iyengar, S. S., Tomasi, J., Barone, V., Mennucci, B. et al. (2004). Gaussian 03, Revision C.02, Gaussian, Inc., Wallingford, CT, USA. Guzei I.A. (2007-2011). In-house Crystallographic Programs: FCF_filter, G1, modiCIFer, ResIns. Molecular Structure Laboratory, University of Wisconsin-Madison, Madison, WI, USA. Sheldrick, G.M. (2008). Acta Cryst. A64, 112-122. Westrip, S. P. (2010). J. Appl. Cryst. 43, 920--925. ; _publ_section_acknowledgements ; The manuscript was prepared with the beta test version 1.0.2. of program publCIF(V.1.9.9_c) and Ilia A. Guzei's program modiCIFer. ; _publ_section_figure_captions ; Figure 1. Molecular structure of (I). The thermal ellipsoids are shown at 50% probability level. ; _publ_section_exptl_prep ; ; _publ_section_exptl_refinement ; All H-atoms were placed in idealized locations and refined as riding with appropriate thermal displacement coefficients U~iso~(H) = 1.2 or 1.5 times U~eq~(bearing atom). ; _iucr_refine_instruction_details ? #3. data _diffrn_source 'microfocus sealed X-ray tube' _diffrn_source_type 'Incoatec I\ms' data_west213 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety 'C48 H32 Si' _chemical_formula_sum 'C48 H32 Si' _chemical_formula_weight 636.83 loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source 'C' 'C' 0.0181 0.0091 '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' 'Si' 'Si' 0.2541 0.3302 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting triclinic _symmetry_space_group_name_H-M 'P -1 ' _symmetry_space_group_name_Hall '-P 1 ' _symmetry_int_tables_number 2 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' _cell_length_a 9.6128(13) _cell_length_b 10.4695(10) _cell_length_c 17.0230(15) _cell_angle_alpha 99.632(7) _cell_angle_beta 91.463(10) _cell_angle_gamma 93.566(5) _cell_volume 1684.7(3) _cell_formula_units_Z 2 _cell_measurement_temperature 100(2) _cell_measurement_reflns_used 999 _cell_measurement_theta_min 2.63 _cell_measurement_theta_max 69.59 _exptl_crystal_description block _exptl_crystal_colour colourless _exptl_crystal_size_max 0.21 _exptl_crystal_size_mid 0.18 _exptl_crystal_size_min 0.15 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.255 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 668 _exptl_absorpt_coefficient_mu 0.867 _exptl_absorpt_correction_type 'analytical' _exptl_absorpt_process_details ; SADABS (Bruker-AXS, 2007) ; _exptl_absorpt_correction_T_min 0.8388 _exptl_absorpt_correction_T_max 0.8809 _exptl_special_details ; ? ; _diffrn_ambient_temperature 100(2) _diffrn_radiation_wavelength 1.54178 _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_source . _diffrn_radiation_monochromator 'mirror optics' _diffrn_measurement_device_type 'Bruker SMART APEX2 area detector' _diffrn_measurement_method '0.50\% \w and 0.5\% \f scans' _diffrn_detector_area_resol_mean ? _diffrn_reflns_number 39235 _diffrn_reflns_av_R_equivalents 0.0317 _diffrn_reflns_av_sigmaI/netI 0.0294 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_k_min -12 _diffrn_reflns_limit_k_max 12 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_limit_l_max 20 _diffrn_reflns_theta_min 2.63 _diffrn_reflns_theta_max 69.59 _reflns_number_total 10954 _reflns_number_gt 9905 _reflns_threshold_expression I>2\s(I) _computing_data_collection 'APEX2 Ver. 2010.11-3 (Bruker-AXS, 2010)' _computing_cell_refinement 'SAINT Ver. 7.68A (Bruker-AXS, 2007)' _computing_data_reduction 'SAINT Ver. 7.68A' _computing_structure_solution 'SHELXTL (Sheldrick, 2008)' _computing_structure_refinement 'SHELXTL, OLEX2 (Dolomanov et al., 2009)' _computing_molecular_graphics 'SHELXTL' _computing_publication_material 'SHELXTL' _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^)+(0.0576P)^2^+0.5925P] 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 constr _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 10954 _refine_ls_number_parameters 443 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0450 _refine_ls_R_factor_gt 0.0399 _refine_ls_wR_factor_ref 0.1086 _refine_ls_wR_factor_gt 0.1051 _refine_ls_goodness_of_fit_ref 1.022 _refine_ls_restrained_S_all 1.022 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 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 Si1 Si 0.71192(4) 0.52275(3) 0.26452(2) 0.01701(9) Uani 1 1 d . . . C1 C 0.85820(14) 0.64745(13) 0.29931(8) 0.0182(3) Uani 1 1 d . . . C2 C 0.89244(14) 0.64256(13) 0.37997(8) 0.0188(3) Uani 1 1 d . . . C3 C 0.99478(15) 0.72881(13) 0.42139(8) 0.0206(3) Uani 1 1 d . . . H3 H 1.0195 0.7224 0.4749 0.025 Uiso 1 1 calc R . . C4 C 1.06212(14) 0.82525(13) 0.38538(8) 0.0203(3) Uani 1 1 d . . . C5 C 1.02393(14) 0.83253(13) 0.30659(8) 0.0192(3) Uani 1 1 d . . . H5 H 1.0663 0.8996 0.2821 0.023 Uiso 1 1 calc R . . C6 C 0.92478(14) 0.74340(13) 0.26298(8) 0.0180(3) Uani 1 1 d . . . C7 C 0.80752(14) 0.54475(13) 0.41596(8) 0.0193(3) Uani 1 1 d . . . C8 C 0.70329(15) 0.47260(13) 0.36425(8) 0.0206(3) Uani 1 1 d . . . C9 C 0.61480(18) 0.38217(16) 0.39272(9) 0.0327(4) Uani 1 1 d . . . H9 H 0.5445 0.3329 0.3583 0.039 Uiso 1 1 calc R . . C10 C 0.6287(2) 0.36350(17) 0.47126(10) 0.0405(4) Uani 1 1 d . . . H10 H 0.5678 0.3016 0.4904 0.049 Uiso 1 1 calc R . . C11 C 0.73060(18) 0.43459(16) 0.52153(9) 0.0322(4) Uani 1 1 d . . . H11 H 0.7392 0.4216 0.5753 0.039 Uiso 1 1 calc R . . C12 C 0.82061(16) 0.52482(14) 0.49434(9) 0.0237(3) Uani 1 1 d . . . H12 H 0.8911 0.5729 0.5292 0.028 Uiso 1 1 calc R . . C13 C 1.16866(15) 0.92040(13) 0.43092(8) 0.0204(3) Uani 1 1 d . . . C14 C 1.16417(16) 0.95519(14) 0.51376(9) 0.0258(3) Uani 1 1 d . . . H14 H 1.0941 0.9148 0.5415 0.031 Uiso 1 1 calc R . . C15 C 1.25917(17) 1.04683(16) 0.55611(10) 0.0309(4) Uani 1 1 d . . . H15 H 1.2539 1.0688 0.6124 0.037 Uiso 1 1 calc R . . C16 C 1.36148(19) 1.10652(17) 0.51732(10) 0.0373(4) Uani 1 1 d . . . H16 H 1.4262 1.1705 0.5464 0.045 Uiso 1 1 calc R . . C17 C 1.36935(18) 1.07251(17) 0.43519(10) 0.0356(4) Uani 1 1 d . . . H17 H 1.4402 1.1131 0.4082 0.043 Uiso 1 1 calc R . . C18 C 1.27491(15) 0.98011(14) 0.39245(9) 0.0251(3) Uani 1 1 d . . . H18 H 1.2823 0.9570 0.3364 0.030 Uiso 1 1 calc R . . C19 C 0.89061(14) 0.75302(13) 0.17828(8) 0.0186(3) Uani 1 1 d . . . C20 C 0.84378(14) 0.86671(14) 0.15720(9) 0.0209(3) Uani 1 1 d . . . H20 H 0.8345 0.9403 0.1973 0.025 Uiso 1 1 calc R . . C21 C 0.81070(15) 0.87312(14) 0.07812(9) 0.0235(3) Uani 1 1 d . . . H21 H 0.7773 0.9505 0.0646 0.028 Uiso 1 1 calc R . . C22 C 0.82605(15) 0.76734(15) 0.01865(9) 0.0244(3) Uani 1 1 d . . . H22 H 0.8040 0.7722 -0.0354 0.029 Uiso 1 1 calc R . . C23 C 0.87384(16) 0.65473(14) 0.03887(9) 0.0245(3) Uani 1 1 d . . . H23 H 0.8853 0.5821 -0.0016 0.029 Uiso 1 1 calc R . . C24 C 0.90516(15) 0.64736(13) 0.11793(8) 0.0208(3) Uani 1 1 d . . . H24 H 0.9370 0.5692 0.1311 0.025 Uiso 1 1 calc R . . C25 C 0.72838(14) 0.39310(13) 0.17587(8) 0.0176(3) Uani 1 1 d . . . C26 C 0.61455(14) 0.39476(13) 0.12199(8) 0.0175(3) Uani 1 1 d . . . C27 C 0.60236(14) 0.30704(13) 0.05090(8) 0.0189(3) Uani 1 1 d . . . H27 H 0.5242 0.3073 0.0156 0.023 Uiso 1 1 calc R . . C28 C 0.70386(15) 0.21834(13) 0.03067(8) 0.0182(3) Uani 1 1 d . . . C29 C 0.81899(14) 0.22071(13) 0.08319(8) 0.0192(3) Uani 1 1 d . . . H29 H 0.8907 0.1636 0.0690 0.023 Uiso 1 1 calc R . . C30 C 0.83035(14) 0.30547(13) 0.15601(8) 0.0181(3) Uani 1 1 d . . . C31 C 0.51483(14) 0.49584(13) 0.14737(8) 0.0179(3) Uani 1 1 d . . . C32 C 0.54810(14) 0.57519(13) 0.22196(8) 0.0193(3) Uani 1 1 d . . . C33 C 0.46052(15) 0.67141(14) 0.25109(9) 0.0236(3) Uani 1 1 d . . . H33 H 0.4821 0.7250 0.3012 0.028 Uiso 1 1 calc R . . C34 C 0.34133(15) 0.68995(14) 0.20729(9) 0.0246(3) Uani 1 1 d . . . H34 H 0.2816 0.7557 0.2276 0.029 Uiso 1 1 calc R . . C35 C 0.31019(15) 0.61218(13) 0.13399(9) 0.0218(3) Uani 1 1 d . . . H35 H 0.2290 0.6252 0.1042 0.026 Uiso 1 1 calc R . . C36 C 0.39614(14) 0.51558(13) 0.10362(8) 0.0198(3) Uani 1 1 d . . . H36 H 0.3741 0.4631 0.0532 0.024 Uiso 1 1 calc R . . C37 C 0.68675(15) 0.12153(13) -0.04403(8) 0.0186(3) Uani 1 1 d . . . C38 C 0.55325(15) 0.07561(14) -0.07412(9) 0.0232(3) Uani 1 1 d . . . H38 H 0.4740 0.1082 -0.0473 0.028 Uiso 1 1 calc R . . C39 C 0.53483(16) -0.01709(15) -0.14275(9) 0.0273(3) Uani 1 1 d . . . H39 H 0.4433 -0.0471 -0.1627 0.033 Uiso 1 1 calc R . . C40 C 0.64889(16) -0.06576(14) -0.18202(9) 0.0258(3) Uani 1 1 d . . . H40 H 0.6360 -0.1296 -0.2288 0.031 Uiso 1 1 calc R . . C41 C 0.78247(16) -0.02129(14) -0.15307(9) 0.0231(3) Uani 1 1 d . . . H41 H 0.8611 -0.0550 -0.1800 0.028 Uiso 1 1 calc R . . C42 C 0.80172(15) 0.07227(13) -0.08489(8) 0.0202(3) Uani 1 1 d . . . H42 H 0.8935 0.1031 -0.0658 0.024 Uiso 1 1 calc R . . C43 C 0.95229(14) 0.30214(12) 0.21208(8) 0.0182(3) Uani 1 1 d . . . C44 C 0.93886(16) 0.23804(15) 0.27718(9) 0.0249(3) Uani 1 1 d . . . H44 H 0.8516 0.1966 0.2865 0.030 Uiso 1 1 calc R . . C45 C 1.05276(17) 0.23467(16) 0.32837(9) 0.0285(3) Uani 1 1 d . . . H45 H 1.0434 0.1889 0.3719 0.034 Uiso 1 1 calc R . . C46 C 1.17947(16) 0.29698(14) 0.31683(8) 0.0243(3) Uani 1 1 d . . . H46 H 1.2565 0.2954 0.3527 0.029 Uiso 1 1 calc R . . C47 C 1.19372(15) 0.36166(14) 0.25287(9) 0.0250(3) Uani 1 1 d . . . H47 H 1.2805 0.4053 0.2448 0.030 Uiso 1 1 calc R . . C48 C 1.08112(15) 0.36284(13) 0.20031(9) 0.0226(3) Uani 1 1 d . . . H48 H 1.0922 0.4057 0.1557 0.027 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 Si1 0.01656(18) 0.01723(18) 0.01602(18) 0.00030(14) -0.00118(15) -0.00090(13) C1 0.0171(7) 0.0165(6) 0.0200(7) 0.0002(5) -0.0009(6) 0.0007(5) C2 0.0186(7) 0.0186(7) 0.0184(7) 0.0008(5) 0.0005(6) 0.0013(5) C3 0.0216(7) 0.0221(7) 0.0177(7) 0.0033(6) -0.0018(6) -0.0004(6) C4 0.0191(7) 0.0205(7) 0.0206(7) 0.0014(5) 0.0004(6) 0.0009(5) C5 0.0178(7) 0.0183(7) 0.0217(7) 0.0040(5) 0.0023(6) -0.0004(5) C6 0.0156(6) 0.0190(6) 0.0190(7) 0.0009(5) 0.0011(6) 0.0039(5) C7 0.0203(7) 0.0183(7) 0.0189(7) 0.0018(5) 0.0003(6) 0.0007(5) C8 0.0230(7) 0.0191(7) 0.0185(7) 0.0013(5) 0.0000(6) -0.0010(5) C9 0.0367(9) 0.0339(9) 0.0245(8) 0.0041(7) -0.0047(7) -0.0157(7) C10 0.0492(11) 0.0413(10) 0.0294(9) 0.0120(7) -0.0016(8) -0.0251(8) C11 0.0417(10) 0.0339(9) 0.0207(8) 0.0083(7) -0.0012(7) -0.0081(7) C12 0.0257(8) 0.0240(7) 0.0201(7) 0.0023(6) -0.0031(6) -0.0038(6) C13 0.0194(7) 0.0188(7) 0.0226(7) 0.0027(5) -0.0019(6) -0.0003(5) C14 0.0249(8) 0.0287(8) 0.0226(7) 0.0033(6) 0.0000(6) -0.0051(6) C15 0.0318(9) 0.0355(9) 0.0221(8) -0.0010(7) -0.0027(7) -0.0056(7) C16 0.0384(10) 0.0387(9) 0.0297(9) 0.0004(7) -0.0087(8) -0.0196(7) C17 0.0326(9) 0.0424(10) 0.0297(8) 0.0090(7) -0.0024(7) -0.0188(7) C18 0.0250(8) 0.0284(8) 0.0206(7) 0.0034(6) -0.0024(6) -0.0045(6) C19 0.0125(6) 0.0229(7) 0.0198(7) 0.0037(5) -0.0011(6) -0.0030(5) C20 0.0172(7) 0.0206(7) 0.0242(7) 0.0025(6) 0.0000(6) -0.0006(5) C21 0.0185(7) 0.0241(7) 0.0297(8) 0.0118(6) -0.0029(6) -0.0015(6) C22 0.0213(7) 0.0339(8) 0.0181(7) 0.0088(6) -0.0048(6) -0.0062(6) C23 0.0258(8) 0.0263(7) 0.0196(7) 0.0013(6) -0.0011(6) -0.0039(6) C24 0.0205(7) 0.0208(7) 0.0214(7) 0.0047(6) -0.0011(6) 0.0003(5) C25 0.0191(7) 0.0167(6) 0.0165(6) 0.0025(5) 0.0007(6) -0.0032(5) C26 0.0161(7) 0.0170(6) 0.0190(7) 0.0034(5) 0.0001(6) -0.0020(5) C27 0.0169(7) 0.0203(7) 0.0190(7) 0.0035(5) -0.0013(6) -0.0015(5) C28 0.0179(7) 0.0184(7) 0.0178(7) 0.0027(5) 0.0007(6) -0.0020(5) C29 0.0176(7) 0.0174(7) 0.0222(7) 0.0027(5) 0.0013(6) 0.0005(5) C30 0.0176(7) 0.0159(6) 0.0207(7) 0.0045(5) -0.0011(6) -0.0024(5) C31 0.0176(7) 0.0167(6) 0.0194(7) 0.0038(5) 0.0021(6) -0.0020(5) C32 0.0181(7) 0.0197(7) 0.0197(7) 0.0034(5) 0.0010(6) -0.0016(5) C33 0.0246(8) 0.0210(7) 0.0230(7) -0.0017(6) 0.0009(6) 0.0003(6) C34 0.0229(7) 0.0217(7) 0.0286(8) 0.0009(6) 0.0030(6) 0.0054(6) C35 0.0172(7) 0.0225(7) 0.0267(7) 0.0077(6) -0.0018(6) 0.0017(5) C36 0.0205(7) 0.0194(7) 0.0189(7) 0.0031(5) -0.0008(6) -0.0021(5) C37 0.0220(7) 0.0170(6) 0.0171(7) 0.0045(5) -0.0009(6) 0.0004(5) C38 0.0200(7) 0.0253(7) 0.0222(7) -0.0024(6) 0.0008(6) 0.0017(6) C39 0.0246(8) 0.0294(8) 0.0249(8) -0.0025(6) -0.0041(6) -0.0016(6) C40 0.0327(8) 0.0236(7) 0.0185(7) -0.0031(6) -0.0014(6) 0.0016(6) C41 0.0271(8) 0.0222(7) 0.0205(7) 0.0032(6) 0.0035(6) 0.0046(6) C42 0.0191(7) 0.0209(7) 0.0208(7) 0.0042(5) -0.0001(6) 0.0003(5) C43 0.0197(7) 0.0158(6) 0.0177(7) -0.0017(5) -0.0011(6) 0.0027(5) C44 0.0202(7) 0.0320(8) 0.0224(7) 0.0060(6) 0.0018(6) -0.0026(6) C45 0.0293(8) 0.0400(9) 0.0177(7) 0.0088(6) 0.0002(6) 0.0031(7) C46 0.0235(7) 0.0296(8) 0.0179(7) -0.0022(6) -0.0053(6) 0.0059(6) C47 0.0191(7) 0.0236(7) 0.0312(8) 0.0035(6) -0.0031(6) -0.0019(6) C48 0.0228(7) 0.0197(7) 0.0261(7) 0.0070(6) -0.0020(6) 0.0005(6) _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 Si1 C8 1.8614(14) . yes Si1 C32 1.8678(14) . yes Si1 C25 1.8703(14) . yes Si1 C1 1.8716(14) . yes C1 C6 1.3962(19) . ? C1 C2 1.4138(19) . ? C2 C3 1.3862(19) . ? C2 C7 1.4905(19) . ? C3 C4 1.400(2) . ? C3 H3 0.9500 . ? C4 C5 1.397(2) . ? C4 C13 1.4887(19) . ? C5 C6 1.3970(19) . ? C5 H5 0.9500 . ? C6 C19 1.4918(19) . ? C7 C12 1.388(2) . ? C7 C8 1.4098(19) . ? C8 C9 1.389(2) . ? C9 C10 1.387(2) . ? C9 H9 0.9500 . ? C10 C11 1.378(2) . ? C10 H10 0.9500 . ? C11 C12 1.386(2) . ? C11 H11 0.9500 . ? C12 H12 0.9500 . ? C13 C18 1.398(2) . ? C13 C14 1.399(2) . ? C14 C15 1.378(2) . ? C14 H14 0.9500 . ? C15 C16 1.374(2) . ? C15 H15 0.9500 . ? C16 C17 1.389(2) . ? C16 H16 0.9500 . ? C17 C18 1.382(2) . ? C17 H17 0.9500 . ? C18 H18 0.9500 . ? C19 C24 1.395(2) . ? C19 C20 1.3962(19) . ? C20 C21 1.389(2) . ? C20 H20 0.9500 . ? C21 C22 1.388(2) . ? C21 H21 0.9500 . ? C22 C23 1.384(2) . ? C22 H22 0.9500 . ? C23 C24 1.387(2) . ? C23 H23 0.9500 . ? C24 H24 0.9500 . ? C25 C30 1.394(2) . ? C25 C26 1.4126(19) . ? C26 C27 1.3889(19) . ? C26 C31 1.4899(19) . ? C27 C28 1.399(2) . ? C27 H27 0.9500 . ? C28 C29 1.4012(19) . ? C28 C37 1.4862(19) . ? C29 C30 1.3960(19) . ? C29 H29 0.9500 . ? C30 C43 1.4984(19) . ? C31 C36 1.3915(19) . ? C31 C32 1.4134(19) . ? C32 C33 1.389(2) . ? C33 C34 1.392(2) . ? C33 H33 0.9500 . ? C34 C35 1.386(2) . ? C34 H34 0.9500 . ? C35 C36 1.387(2) . ? C35 H35 0.9500 . ? C36 H36 0.9500 . ? C37 C38 1.396(2) . ? C37 C42 1.400(2) . ? C38 C39 1.388(2) . ? C38 H38 0.9500 . ? C39 C40 1.379(2) . ? C39 H39 0.9500 . ? C40 C41 1.387(2) . ? C40 H40 0.9500 . ? C41 C42 1.388(2) . ? C41 H41 0.9500 . ? C42 H42 0.9500 . ? C43 C48 1.391(2) . ? C43 C44 1.393(2) . ? C44 C45 1.388(2) . ? C44 H44 0.9500 . ? C45 C46 1.380(2) . ? C45 H45 0.9500 . ? C46 C47 1.381(2) . ? C46 H46 0.9500 . ? C47 C48 1.389(2) . ? C47 H47 0.9500 . ? C48 H48 0.9500 . ? 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 C8 Si1 C32 117.20(6) . . yes C8 Si1 C25 117.76(6) . . yes C32 Si1 C25 92.02(6) . . yes C8 Si1 C1 92.02(6) . . yes C32 Si1 C1 118.97(6) . . yes C25 Si1 C1 121.35(6) . . yes C6 C1 C2 119.16(12) . . ? C6 C1 Si1 132.15(11) . . ? C2 C1 Si1 108.45(10) . . ? C3 C2 C1 120.29(13) . . ? C3 C2 C7 124.15(12) . . ? C1 C2 C7 115.50(12) . . ? C2 C3 C4 120.86(13) . . ? C2 C3 H3 119.6 . . ? C4 C3 H3 119.6 . . ? C5 C4 C3 118.46(13) . . ? C5 C4 C13 120.83(13) . . ? C3 C4 C13 120.68(12) . . ? C6 C5 C4 121.44(13) . . ? C6 C5 H5 119.3 . . ? C4 C5 H5 119.3 . . ? C1 C6 C5 119.70(13) . . ? C1 C6 C19 120.92(12) . . ? C5 C6 C19 119.38(12) . . ? C12 C7 C8 119.87(13) . . ? C12 C7 C2 125.50(13) . . ? C8 C7 C2 114.58(12) . . ? C9 C8 C7 119.26(13) . . ? C9 C8 Si1 131.32(11) . . ? C7 C8 Si1 109.42(10) . . ? C10 C9 C8 120.29(14) . . ? C10 C9 H9 119.9 . . ? C8 C9 H9 119.9 . . ? C11 C10 C9 120.14(15) . . ? C11 C10 H10 119.9 . . ? C9 C10 H10 119.9 . . ? C10 C11 C12 120.60(15) . . ? C10 C11 H11 119.7 . . ? C12 C11 H11 119.7 . . ? C11 C12 C7 119.83(14) . . ? C11 C12 H12 120.1 . . ? C7 C12 H12 120.1 . . ? C18 C13 C14 117.62(13) . . ? C18 C13 C4 121.35(13) . . ? C14 C13 C4 121.02(13) . . ? C15 C14 C13 121.45(15) . . ? C15 C14 H14 119.3 . . ? C13 C14 H14 119.3 . . ? C16 C15 C14 120.29(15) . . ? C16 C15 H15 119.9 . . ? C14 C15 H15 119.9 . . ? C15 C16 C17 119.40(15) . . ? C15 C16 H16 120.3 . . ? C17 C16 H16 120.3 . . ? C18 C17 C16 120.58(15) . . ? C18 C17 H17 119.7 . . ? C16 C17 H17 119.7 . . ? C17 C18 C13 120.63(14) . . ? C17 C18 H18 119.7 . . ? C13 C18 H18 119.7 . . ? C24 C19 C20 118.35(13) . . ? C24 C19 C6 120.23(12) . . ? C20 C19 C6 121.42(12) . . ? C21 C20 C19 120.54(13) . . ? C21 C20 H20 119.7 . . ? C19 C20 H20 119.7 . . ? C22 C21 C20 120.48(13) . . ? C22 C21 H21 119.8 . . ? C20 C21 H21 119.8 . . ? C23 C22 C21 119.38(13) . . ? C23 C22 H22 120.3 . . ? C21 C22 H22 120.3 . . ? C22 C23 C24 120.29(14) . . ? C22 C23 H23 119.9 . . ? C24 C23 H23 119.9 . . ? C23 C24 C19 120.94(13) . . ? C23 C24 H24 119.5 . . ? C19 C24 H24 119.5 . . ? C30 C25 C26 119.46(12) . . ? C30 C25 Si1 131.68(11) . . ? C26 C25 Si1 108.83(10) . . ? C27 C26 C25 120.17(13) . . ? C27 C26 C31 124.67(12) . . ? C25 C26 C31 115.16(12) . . ? C26 C27 C28 120.72(13) . . ? C26 C27 H27 119.6 . . ? C28 C27 H27 119.6 . . ? C27 C28 C29 118.63(12) . . ? C27 C28 C37 120.18(12) . . ? C29 C28 C37 121.16(13) . . ? C30 C29 C28 121.24(13) . . ? C30 C29 H29 119.4 . . ? C28 C29 H29 119.4 . . ? C25 C30 C29 119.69(12) . . ? C25 C30 C43 120.45(12) . . ? C29 C30 C43 119.86(12) . . ? C36 C31 C32 119.93(13) . . ? C36 C31 C26 125.00(12) . . ? C32 C31 C26 115.07(12) . . ? C33 C32 C31 119.31(13) . . ? C33 C32 Si1 131.76(11) . . ? C31 C32 Si1 108.92(10) . . ? C32 C33 C34 120.46(13) . . ? C32 C33 H33 119.8 . . ? C34 C33 H33 119.8 . . ? C35 C34 C33 119.75(13) . . ? C35 C34 H34 120.1 . . ? C33 C34 H34 120.1 . . ? C34 C35 C36 120.83(13) . . ? C34 C35 H35 119.6 . . ? C36 C35 H35 119.6 . . ? C35 C36 C31 119.71(13) . . ? C35 C36 H36 120.1 . . ? C31 C36 H36 120.1 . . ? C38 C37 C42 118.44(12) . . ? C38 C37 C28 119.80(13) . . ? C42 C37 C28 121.74(12) . . ? C39 C38 C37 120.79(14) . . ? C39 C38 H38 119.6 . . ? C37 C38 H38 119.6 . . ? C40 C39 C38 120.23(14) . . ? C40 C39 H39 119.9 . . ? C38 C39 H39 119.9 . . ? C39 C40 C41 119.85(13) . . ? C39 C40 H40 120.1 . . ? C41 C40 H40 120.1 . . ? C40 C41 C42 120.26(14) . . ? C40 C41 H41 119.9 . . ? C42 C41 H41 119.9 . . ? C41 C42 C37 120.43(13) . . ? C41 C42 H42 119.8 . . ? C37 C42 H42 119.8 . . ? C48 C43 C44 118.60(13) . . ? C48 C43 C30 120.81(12) . . ? C44 C43 C30 120.58(13) . . ? C45 C44 C43 120.11(14) . . ? C45 C44 H44 119.9 . . ? C43 C44 H44 119.9 . . ? C46 C45 C44 120.78(14) . . ? C46 C45 H45 119.6 . . ? C44 C45 H45 119.6 . . ? C45 C46 C47 119.60(14) . . ? C45 C46 H46 120.2 . . ? C47 C46 H46 120.2 . . ? C46 C47 C48 119.94(14) . . ? C46 C47 H47 120.0 . . ? C48 C47 H47 120.0 . . ? C47 C48 C43 120.94(13) . . ? C47 C48 H48 119.5 . . ? C43 C48 H48 119.5 . . ? 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 _geom_torsion_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion_publ_flag C8 Si1 C1 C6 -173.10(14) . . . . ? C32 Si1 C1 C6 -50.26(16) . . . . ? C25 Si1 C1 C6 62.35(15) . . . . ? C8 Si1 C1 C2 1.10(10) . . . . ? C32 Si1 C1 C2 123.94(10) . . . . ? C25 Si1 C1 C2 -123.45(10) . . . . ? C6 C1 C2 C3 -2.5(2) . . . . ? Si1 C1 C2 C3 -177.60(11) . . . . ? C6 C1 C2 C7 174.78(12) . . . . ? Si1 C1 C2 C7 -0.30(15) . . . . ? C1 C2 C3 C4 2.5(2) . . . . ? C7 C2 C3 C4 -174.56(13) . . . . ? C2 C3 C4 C5 -0.1(2) . . . . ? C2 C3 C4 C13 177.99(13) . . . . ? C3 C4 C5 C6 -2.4(2) . . . . ? C13 C4 C5 C6 179.58(12) . . . . ? C2 C1 C6 C5 0.1(2) . . . . ? Si1 C1 C6 C5 173.83(11) . . . . ? C2 C1 C6 C19 -179.29(12) . . . . ? Si1 C1 C6 C19 -5.6(2) . . . . ? C4 C5 C6 C1 2.3(2) . . . . ? C4 C5 C6 C19 -178.24(12) . . . . ? C3 C2 C7 C12 -1.3(2) . . . . ? C1 C2 C7 C12 -178.52(13) . . . . ? C3 C2 C7 C8 176.15(13) . . . . ? C1 C2 C7 C8 -1.04(18) . . . . ? C12 C7 C8 C9 0.0(2) . . . . ? C2 C7 C8 C9 -177.63(14) . . . . ? C12 C7 C8 Si1 179.46(11) . . . . ? C2 C7 C8 Si1 1.82(15) . . . . ? C32 Si1 C8 C9 53.43(17) . . . . ? C25 Si1 C8 C9 -54.94(17) . . . . ? C1 Si1 C8 C9 177.69(16) . . . . ? C32 Si1 C8 C7 -125.93(10) . . . . ? C25 Si1 C8 C7 125.69(10) . . . . ? C1 Si1 C8 C7 -1.67(11) . . . . ? C7 C8 C9 C10 0.2(2) . . . . ? Si1 C8 C9 C10 -179.10(14) . . . . ? C8 C9 C10 C11 -0.1(3) . . . . ? C9 C10 C11 C12 -0.3(3) . . . . ? C10 C11 C12 C7 0.5(3) . . . . ? C8 C7 C12 C11 -0.4(2) . . . . ? C2 C7 C12 C11 176.98(14) . . . . ? C5 C4 C13 C18 -28.5(2) . . . . ? C3 C4 C13 C18 153.48(14) . . . . ? C5 C4 C13 C14 150.18(14) . . . . ? C3 C4 C13 C14 -27.8(2) . . . . ? C18 C13 C14 C15 1.2(2) . . . . ? C4 C13 C14 C15 -177.51(14) . . . . ? C13 C14 C15 C16 0.0(3) . . . . ? C14 C15 C16 C17 -0.8(3) . . . . ? C15 C16 C17 C18 0.4(3) . . . . ? C16 C17 C18 C13 0.8(3) . . . . ? C14 C13 C18 C17 -1.6(2) . . . . ? C4 C13 C18 C17 177.12(15) . . . . ? C1 C6 C19 C24 -57.39(18) . . . . ? C5 C6 C19 C24 123.19(14) . . . . ? C1 C6 C19 C20 122.66(15) . . . . ? C5 C6 C19 C20 -56.76(18) . . . . ? C24 C19 C20 C21 0.9(2) . . . . ? C6 C19 C20 C21 -179.12(13) . . . . ? C19 C20 C21 C22 -1.1(2) . . . . ? C20 C21 C22 C23 0.4(2) . . . . ? C21 C22 C23 C24 0.5(2) . . . . ? C22 C23 C24 C19 -0.7(2) . . . . ? C20 C19 C24 C23 0.0(2) . . . . ? C6 C19 C24 C23 -179.99(13) . . . . ? C8 Si1 C25 C30 -60.48(15) . . . . ? C32 Si1 C25 C30 177.15(14) . . . . ? C1 Si1 C25 C30 51.06(16) . . . . ? C8 Si1 C25 C26 121.67(10) . . . . ? C32 Si1 C25 C26 -0.71(10) . . . . ? C1 Si1 C25 C26 -126.79(10) . . . . ? C30 C25 C26 C27 1.9(2) . . . . ? Si1 C25 C26 C27 -179.90(10) . . . . ? C30 C25 C26 C31 -177.46(12) . . . . ? Si1 C25 C26 C31 0.70(14) . . . . ? C25 C26 C27 C28 -1.6(2) . . . . ? C31 C26 C27 C28 177.69(12) . . . . ? C26 C27 C28 C29 -0.7(2) . . . . ? C26 C27 C28 C37 177.58(12) . . . . ? C27 C28 C29 C30 2.8(2) . . . . ? C37 C28 C29 C30 -175.46(12) . . . . ? C26 C25 C30 C29 0.1(2) . . . . ? Si1 C25 C30 C29 -177.54(10) . . . . ? C26 C25 C30 C43 179.81(12) . . . . ? Si1 C25 C30 C43 2.2(2) . . . . ? C28 C29 C30 C25 -2.5(2) . . . . ? C28 C29 C30 C43 177.79(12) . . . . ? C27 C26 C31 C36 0.3(2) . . . . ? C25 C26 C31 C36 179.65(13) . . . . ? C27 C26 C31 C32 -179.66(12) . . . . ? C25 C26 C31 C32 -0.29(17) . . . . ? C36 C31 C32 C33 0.7(2) . . . . ? C26 C31 C32 C33 -179.36(12) . . . . ? C36 C31 C32 Si1 179.78(10) . . . . ? C26 C31 C32 Si1 -0.27(14) . . . . ? C8 Si1 C32 C33 56.66(16) . . . . ? C25 Si1 C32 C33 179.49(14) . . . . ? C1 Si1 C32 C33 -52.59(16) . . . . ? C8 Si1 C32 C31 -122.27(10) . . . . ? C25 Si1 C32 C31 0.55(10) . . . . ? C1 Si1 C32 C31 128.47(10) . . . . ? C31 C32 C33 C34 -0.2(2) . . . . ? Si1 C32 C33 C34 -179.02(11) . . . . ? C32 C33 C34 C35 -0.3(2) . . . . ? C33 C34 C35 C36 0.2(2) . . . . ? C34 C35 C36 C31 0.3(2) . . . . ? C32 C31 C36 C35 -0.8(2) . . . . ? C26 C31 C36 C35 179.29(13) . . . . ? C27 C28 C37 C38 -30.0(2) . . . . ? C29 C28 C37 C38 148.22(14) . . . . ? C27 C28 C37 C42 151.31(13) . . . . ? C29 C28 C37 C42 -30.5(2) . . . . ? C42 C37 C38 C39 0.3(2) . . . . ? C28 C37 C38 C39 -178.46(13) . . . . ? C37 C38 C39 C40 0.4(2) . . . . ? C38 C39 C40 C41 -0.4(2) . . . . ? C39 C40 C41 C42 -0.2(2) . . . . ? C40 C41 C42 C37 0.8(2) . . . . ? C38 C37 C42 C41 -0.9(2) . . . . ? C28 C37 C42 C41 177.83(13) . . . . ? C25 C30 C43 C48 -99.96(16) . . . . ? C29 C30 C43 C48 79.73(17) . . . . ? C25 C30 C43 C44 80.04(17) . . . . ? C29 C30 C43 C44 -100.27(16) . . . . ? C48 C43 C44 C45 -0.5(2) . . . . ? C30 C43 C44 C45 179.48(14) . . . . ? C43 C44 C45 C46 1.6(2) . . . . ? C44 C45 C46 C47 -1.1(2) . . . . ? C45 C46 C47 C48 -0.5(2) . . . . ? C46 C47 C48 C43 1.5(2) . . . . ? C44 C43 C48 C47 -1.0(2) . . . . ? C30 C43 C48 C47 178.98(13) . . . . ? _diffrn_measured_fraction_theta_max 0.973 _diffrn_reflns_theta_full 67.00 _diffrn_measured_fraction_theta_full 0.983 _refine_diff_density_max 0.360 _refine_diff_density_min -0.293 _refine_diff_density_rms 0.042 # File processed with modiCIFer (v.3-27-2007). I.A.Guzei, UW-Madison.