#------------------------------------------------------------------------------ #$Date: 2025-08-19 15:49:58 +0100 (Tue, 19 Aug 2025) $ #$Revision: 301806 $ #$URL: svn://www.crystallography.net/cod/cif/2/23/88/2238896.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_2238896 loop_ _publ_author_name 'Costas-Lago, Mar\'ia Carmen' 'Costas, Tamara' 'Vila, Noem\'i' 'Besada, Pedro' _publ_section_title ; 4-[(tert-Butyldiphenylsilyloxy)methyl]pyridazin-3(2H)-one ; _journal_issue 12 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first o1859 _journal_page_last o1860 _journal_paper_doi 10.1107/S1600536813032212 _journal_volume 69 _journal_year 2013 _chemical_formula_iupac 'C21 H24 N2 O2 Si' _chemical_formula_moiety 'C21 H24 N2 O2 Si' _chemical_formula_sum 'C21 H24 N2 O2 Si' _chemical_formula_weight 364.51 _chemical_name_systematic ; 4-[(tert-Butyldiphenylsilyloxy)methyl]pyridazin-3(2H)-one ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 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 100.207(7) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 10.774(4) _cell_length_b 7.988(3) _cell_length_c 24.681(10) _cell_measurement_reflns_used 5037 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 22.95 _cell_measurement_theta_min 2.68 _cell_volume 2090.5(14) _computing_cell_refinement 'SAINT (Bruker, 1998)' _computing_data_collection 'SMART (Bruker, 1998)' _computing_data_reduction 'SAINT (Bruker, 1998)' _computing_molecular_graphics 'PLATON (Spek, 2003) and Mercury (Macrae et al., 2006)' _computing_publication_material 'SHELXTL (Sheldrick, 2008)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 2008)' _computing_structure_solution 'SIR2004 (Burla et al., 2005)' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.995 _diffrn_measured_fraction_theta_max 0.995 _diffrn_measurement_device_type 'Bruker SMART 1000 CCD' _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 0.0381 _diffrn_reflns_av_sigmaI/netI 0.0318 _diffrn_reflns_limit_h_max 14 _diffrn_reflns_limit_h_min -14 _diffrn_reflns_limit_k_max 10 _diffrn_reflns_limit_k_min -10 _diffrn_reflns_limit_l_max 32 _diffrn_reflns_limit_l_min -32 _diffrn_reflns_number 25187 _diffrn_reflns_theta_full 28.01 _diffrn_reflns_theta_max 28.01 _diffrn_reflns_theta_min 1.68 _exptl_absorpt_coefficient_mu 0.128 _exptl_absorpt_correction_T_max 0.7456 _exptl_absorpt_correction_T_min 0.7073 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SADABS; Sheldrick, 1996)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.158 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 776 _exptl_crystal_size_max 0.48 _exptl_crystal_size_mid 0.41 _exptl_crystal_size_min 0.23 _refine_diff_density_max 0.295 _refine_diff_density_min -0.238 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.003 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 242 _refine_ls_number_reflns 5045 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.003 _refine_ls_R_factor_all 0.0918 _refine_ls_R_factor_gt 0.0464 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0628P)^2^+0.7126P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1171 _refine_ls_wR_factor_ref 0.1484 _reflns_number_gt 3076 _reflns_number_total 5045 _reflns_threshold_expression I>2sigma(I) _iucr_refine_instructions_details ; TITL ct08932s in P2(1)/n CELL 0.71073 10.7736 7.9884 24.6810 90.000 100.207 90.000 ZERR 4.00 0.0041 0.0031 0.0095 0.000 0.007 0.000 LATT 1 SYMM 0.5-X, 0.5+Y, 0.5-Z SFAC C H N O Si UNIT 84 96 8 8 4 L.S. 1 BOND $H FMAP 2 PLAN -20 ACTA htab N2 O3_$1 eqiv $1 -x+1, -y+1, -z SIZE 0.23 0.41 0.48 CONF TEMP 20 WGHT 0.062800 0.712600 FVAR 0.16577 SI 5 0.999744 0.991749 0.143006 11.00000 0.04325 0.04925 = 0.04160 0.00141 0.00002 -0.00680 N1 3 0.526738 0.831854 -0.060857 11.00000 0.07127 0.06784 = 0.05124 0.00404 -0.00437 -0.01477 N2 3 0.538456 0.703647 -0.024872 11.00000 0.06133 0.05569 = 0.04973 -0.00219 -0.00524 -0.01585 H2 2 0.487126 0.611127 -0.034591 11.00000 0.08594 C3 1 0.621947 0.689797 0.023445 11.00000 0.05392 0.05360 = 0.04756 -0.00084 0.00123 -0.01100 O3 4 0.623518 0.563313 0.052592 11.00000 0.08717 0.06355 = 0.07202 0.01624 -0.02285 -0.03264 C4 1 0.704458 0.830258 0.036902 11.00000 0.04332 0.05137 = 0.04431 -0.00124 0.00484 -0.01015 C5 1 0.694444 0.959537 0.001821 11.00000 0.05419 0.05786 = 0.05370 0.00230 0.00315 -0.01635 AFIX 43 H5 2 0.746892 1.052116 0.009656 11.00000 -1.20000 AFIX 0 C6 1 0.603727 0.954590 -0.047197 11.00000 0.07319 0.06853 = 0.05408 0.01367 -0.00210 -0.01610 AFIX 43 H6 2 0.599329 1.045408 -0.071037 11.00000 -1.20000 AFIX 0 C1' 1 0.795766 0.821098 0.089914 11.00000 0.06486 0.06208 = 0.06067 0.01131 -0.01185 -0.02670 AFIX 23 H1'1 2 0.750511 0.820709 0.120569 11.00000 -1.20000 H1'2 2 0.844398 0.718520 0.091264 11.00000 -1.20000 AFIX 0 O1' 4 0.877434 0.961003 0.093973 11.00000 0.05761 0.06367 = 0.05841 0.01320 -0.01262 -0.02505 C2' 1 0.953470 0.946261 0.211222 11.00000 0.04635 0.06595 = 0.04951 0.00118 0.00569 -0.00992 C3' 1 0.858664 1.037189 0.228830 11.00000 0.07832 0.09253 = 0.08880 0.01020 0.03597 0.00904 AFIX 43 H3' 2 0.817246 1.119790 0.205917 11.00000 -1.20000 AFIX 0 C4' 1 0.823454 1.009513 0.279231 11.00000 0.09100 0.12947 = 0.09844 -0.01405 0.05265 -0.01005 AFIX 43 H4' 2 0.759402 1.073277 0.289663 11.00000 -1.20000 AFIX 0 C5' 1 0.881247 0.890958 0.313270 11.00000 0.07636 0.16024 = 0.05809 -0.00413 0.02106 -0.04165 AFIX 43 H5' 2 0.858894 0.874094 0.347567 11.00000 -1.20000 AFIX 0 C6' 1 0.971866 0.796811 0.297213 11.00000 0.07312 0.15295 = 0.06429 0.03916 0.00811 -0.01222 AFIX 43 H6' 2 1.010880 0.713068 0.320337 11.00000 -1.20000 AFIX 0 C7' 1 1.007845 0.823173 0.246531 11.00000 0.06205 0.10319 = 0.06480 0.02384 0.01504 0.00181 AFIX 43 H7' 2 1.070216 0.755903 0.236262 11.00000 -1.20000 AFIX 0 C8' 1 1.130257 0.849675 0.130545 11.00000 0.06485 0.05145 = 0.05073 0.00824 0.01399 0.00078 C9' 1 1.122922 0.765542 0.080410 11.00000 0.09595 0.05080 = 0.06504 0.00293 0.03084 -0.01025 AFIX 43 H9' 2 1.050789 0.777149 0.053725 11.00000 -1.20000 AFIX 0 C10' 1 1.220784 0.665025 0.069492 11.00000 0.13973 0.05084 = 0.09944 0.00054 0.06993 -0.00469 AFIX 43 H10' 2 1.214093 0.611477 0.035639 11.00000 -1.20000 AFIX 0 C11' 1 1.326205 0.644872 0.108196 11.00000 0.12640 0.07233 = 0.13023 0.03386 0.07703 0.03200 AFIX 43 H11' 2 1.391044 0.576327 0.100894 11.00000 -1.20000 AFIX 0 C12' 1 1.337594 0.724444 0.157666 11.00000 0.08164 0.10493 = 0.10452 0.04465 0.03353 0.03363 AFIX 43 H12' 2 1.410057 0.710505 0.184017 11.00000 -1.20000 AFIX 0 C13' 1 1.240254 0.826779 0.168621 11.00000 0.07003 0.08581 = 0.06476 0.01617 0.01889 0.01727 AFIX 43 H13' 2 1.249246 0.881261 0.202392 11.00000 -1.20000 AFIX 0 C14' 1 1.044483 1.215429 0.132651 11.00000 0.05449 0.05197 = 0.05893 -0.00427 0.00997 -0.01035 C15' 1 1.073470 1.232242 0.074846 11.00000 0.16418 0.07170 = 0.07101 0.00693 0.03673 -0.03406 AFIX 137 H15A 2 1.092513 1.346942 0.068087 11.00000 -1.50000 H15B 2 1.001580 1.197098 0.048556 11.00000 -1.50000 H15C 2 1.144630 1.163309 0.071375 11.00000 -1.50000 AFIX 0 C16' 1 1.161293 1.261029 0.173428 11.00000 0.14598 0.10718 = 0.10304 0.00628 -0.02958 -0.07993 AFIX 137 H16A 2 1.178976 1.378019 0.170171 11.00000 -1.50000 H16B 2 1.231428 1.196333 0.165946 11.00000 -1.50000 H16C 2 1.147732 1.237723 0.210089 11.00000 -1.50000 AFIX 0 C17' 1 0.939316 1.337146 0.138666 11.00000 0.13661 0.06088 = 0.27783 0.03054 0.10882 0.01743 AFIX 137 H17A 2 0.923005 1.332521 0.175635 11.00000 -1.50000 H17B 2 0.864276 1.307163 0.113381 11.00000 -1.50000 H17C 2 0.964252 1.448622 0.130780 11.00000 -1.50000 HKLF 4 REM ct08932s in P2(1)/n REM R1 = 0.0464 for 3076 Fo > 4sig(Fo) and 0.0918 for all 5045 data REM 242 parameters refined using 0 restraints END WGHT 0.0628 0.7126 REM Highest difference peak 0.295, deepest hole -0.238, 1-sigma level 0.039 Q1 1 0.9269 0.9865 0.1205 11.00000 0.05 0.30 Q2 1 0.9927 0.9671 0.1870 11.00000 0.05 0.20 Q3 1 1.0645 0.9018 0.1369 11.00000 0.05 0.19 Q4 1 0.9933 1.2575 0.1318 11.00000 0.05 0.18 Q5 1 0.9704 1.3374 0.1558 11.00000 0.05 0.18 Q6 1 1.2090 1.1898 0.2031 11.00000 0.05 0.18 Q7 1 1.0857 1.1300 0.0519 11.00000 0.05 0.18 Q8 1 1.0455 1.1226 0.1471 11.00000 0.05 0.17 Q9 1 0.8443 1.3360 0.1361 11.00000 0.05 0.17 Q10 1 0.4974 0.4948 -0.0724 11.00000 0.05 0.16 Q11 1 1.2113 1.3562 0.1674 11.00000 0.05 0.16 Q12 1 1.1823 1.2434 0.1647 11.00000 0.05 0.15 Q13 1 1.2757 0.9324 0.1824 11.00000 0.05 0.15 Q14 1 0.8991 0.9466 0.1929 11.00000 0.05 0.15 Q15 1 0.7395 0.8252 0.0639 11.00000 0.05 0.15 Q16 1 1.1805 0.8765 0.1454 11.00000 0.05 0.15 Q17 1 0.7920 0.7439 0.1174 11.00000 0.05 0.15 Q18 1 1.3637 0.8333 0.1743 11.00000 0.05 0.15 Q19 1 0.9411 1.2550 0.0537 11.00000 0.05 0.14 Q20 1 0.8342 0.9306 0.1086 11.00000 0.05 0.14 ; _cod_data_source_file lr2118.cif _cod_data_source_block I _cod_original_sg_symbol_Hall ' -P 2yn' _cod_original_sg_symbol_H-M 'P 21/n' _cod_database_code 2238896 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x-1/2, -y-1/2, z-1/2' loop_ _atom_site_type_symbol _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_symmetry_multiplicity Si Si 0.99974(5) 0.99175(7) 0.14301(2) 0.04561(17) Uani d . 1 1 N N1 0.52674(18) 0.8319(2) -0.06086(7) 0.0653(5) Uani d . 1 1 H H2 0.487(2) 0.611(4) -0.0346(11) 0.086(8) Uiso d . 1 1 N N2 0.53846(17) 0.7036(2) -0.02487(7) 0.0574(5) Uani d . 1 1 C C3 0.62195(19) 0.6898(3) 0.02344(8) 0.0526(5) Uani d . 1 1 O O3 0.62352(16) 0.5633(2) 0.05259(7) 0.0788(5) Uani d . 1 1 C C4 0.70446(17) 0.8303(2) 0.03690(8) 0.0467(4) Uani d . 1 1 C C5 0.6944(2) 0.9595(3) 0.00182(8) 0.0560(5) Uani d . 1 1 H H5 0.7469 1.0521 0.0097 0.067 Uiso calc R 1 1 C C6 0.6037(2) 0.9546(3) -0.04720(9) 0.0669(6) Uani d . 1 1 H H6 0.5993 1.0454 -0.0710 0.080 Uiso calc R 1 1 C C1' 0.7958(2) 0.8211(3) 0.08991(9) 0.0653(6) Uani d . 1 1 H H1'1 0.7505 0.8207 0.1206 0.078 Uiso calc R 1 1 H H1'2 0.8444 0.7185 0.0913 0.078 Uiso calc R 1 1 O O1' 0.87743(14) 0.96100(19) 0.09397(6) 0.0627(4) Uani d . 1 1 C C2' 0.95347(19) 0.9463(3) 0.21122(8) 0.0543(5) Uani d . 1 1 C C3' 0.8587(3) 1.0372(4) 0.22883(12) 0.0840(8) Uani d . 1 1 H H3' 0.8172 1.1198 0.2059 0.101 Uiso calc R 1 1 C C4' 0.8235(3) 1.0095(5) 0.27923(15) 0.1019(11) Uani d . 1 1 H H4' 0.7594 1.0733 0.2897 0.122 Uiso calc R 1 1 C C5' 0.8812(3) 0.8910(5) 0.31327(12) 0.0971(11) Uani d . 1 1 H H5' 0.8589 0.8741 0.3476 0.117 Uiso calc R 1 1 C C6' 0.9719(3) 0.7968(5) 0.29721(11) 0.0973(10) Uani d . 1 1 H H6' 1.0109 0.7131 0.3203 0.117 Uiso calc R 1 1 C C7' 1.0078(2) 0.8232(4) 0.24653(10) 0.0762(7) Uani d . 1 1 H H7' 1.0702 0.7559 0.2363 0.091 Uiso calc R 1 1 C C8' 1.1303(2) 0.8497(3) 0.13054(8) 0.0552(5) Uani d . 1 1 C C9' 1.1229(3) 0.7655(3) 0.08041(10) 0.0686(6) Uani d . 1 1 H H9' 1.0508 0.7771 0.0537 0.082 Uiso calc R 1 1 C C10' 1.2208(3) 0.6650(3) 0.06949(14) 0.0907(9) Uani d . 1 1 H H10' 1.2141 0.6115 0.0356 0.109 Uiso calc R 1 1 C C11' 1.3262(4) 0.6449(4) 0.10820(17) 0.1030(11) Uani d . 1 1 H H11' 1.3910 0.5763 0.1009 0.124 Uiso calc R 1 1 C C12' 1.3376(3) 0.7244(4) 0.15767(15) 0.0950(10) Uani d . 1 1 H H12' 1.4101 0.7105 0.1840 0.114 Uiso calc R 1 1 C C13' 1.2403(2) 0.8268(3) 0.16862(10) 0.0727(7) Uani d . 1 1 H H13' 1.2492 0.8813 0.2024 0.087 Uiso calc R 1 1 C C14' 1.0445(2) 1.2154(3) 0.13265(9) 0.0551(5) Uani d . 1 1 C C15' 1.0735(3) 1.2322(4) 0.07485(11) 0.1004(10) Uani d . 1 1 H H15A 1.0925 1.3469 0.0681 0.151 Uiso calc R 1 1 H H15B 1.0016 1.1971 0.0486 0.151 Uiso calc R 1 1 H H15C 1.1446 1.1633 0.0714 0.151 Uiso calc R 1 1 C C16' 1.1613(3) 1.2610(4) 0.17343(14) 0.1250(14) Uani d . 1 1 H H16A 1.1790 1.3780 0.1702 0.188 Uiso calc R 1 1 H H16B 1.2314 1.1963 0.1659 0.188 Uiso calc R 1 1 H H16C 1.1477 1.2377 0.2101 0.188 Uiso calc R 1 1 C C17' 0.9393(4) 1.3371(4) 0.1387(2) 0.1496(19) Uani d . 1 1 H H17A 0.9230 1.3325 0.1756 0.224 Uiso calc R 1 1 H H17B 0.8643 1.3072 0.1134 0.224 Uiso calc R 1 1 H H17C 0.9643 1.4486 0.1308 0.224 Uiso calc R 1 1 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 Si 0.0432(3) 0.0493(3) 0.0416(3) -0.0068(2) 0.0000(2) 0.0014(2) N1 0.0713(12) 0.0678(12) 0.0512(10) -0.0148(10) -0.0044(9) 0.0040(9) N2 0.0613(11) 0.0557(11) 0.0497(10) -0.0158(9) -0.0052(8) -0.0022(8) C3 0.0539(12) 0.0536(12) 0.0476(11) -0.0110(9) 0.0012(9) -0.0008(9) O3 0.0872(12) 0.0635(10) 0.0720(10) -0.0326(9) -0.0229(9) 0.0162(8) C4 0.0433(10) 0.0514(11) 0.0443(10) -0.0101(8) 0.0048(8) -0.0012(8) C5 0.0542(12) 0.0579(12) 0.0537(12) -0.0164(10) 0.0032(9) 0.0023(10) C6 0.0732(15) 0.0685(15) 0.0541(12) -0.0161(12) -0.0021(11) 0.0137(11) C1' 0.0649(14) 0.0621(14) 0.0607(13) -0.0267(11) -0.0119(11) 0.0113(11) O1' 0.0576(9) 0.0637(9) 0.0584(8) -0.0250(7) -0.0126(7) 0.0132(7) C2' 0.0464(11) 0.0659(13) 0.0495(11) -0.0099(10) 0.0057(9) 0.0012(10) C3' 0.0783(17) 0.093(2) 0.0888(19) 0.0090(15) 0.0360(15) 0.0102(15) C4' 0.091(2) 0.129(3) 0.098(2) -0.010(2) 0.0526(19) -0.014(2) C5' 0.0764(19) 0.160(3) 0.0581(16) -0.042(2) 0.0211(14) -0.0041(19) C6' 0.0731(17) 0.153(3) 0.0643(16) -0.0122(19) 0.0081(14) 0.0392(18) C7' 0.0620(14) 0.103(2) 0.0648(14) 0.0018(14) 0.0150(12) 0.0238(14) C8' 0.0649(13) 0.0515(12) 0.0507(11) 0.0008(10) 0.0140(10) 0.0082(9) C9' 0.0959(18) 0.0508(13) 0.0650(14) -0.0103(12) 0.0308(13) 0.0029(11) C10' 0.140(3) 0.0508(14) 0.099(2) -0.0047(17) 0.070(2) 0.0005(14) C11' 0.126(3) 0.0723(19) 0.130(3) 0.0320(19) 0.077(2) 0.034(2) C12' 0.0816(19) 0.105(2) 0.105(2) 0.0336(17) 0.0335(17) 0.0447(19) C13' 0.0700(15) 0.0858(18) 0.0648(14) 0.0173(13) 0.0189(12) 0.0162(13) C14' 0.0545(12) 0.0520(12) 0.0589(12) -0.0104(10) 0.0100(10) -0.0043(10) C15' 0.164(3) 0.0717(18) 0.0710(17) -0.0341(19) 0.0367(19) 0.0069(14) C16' 0.146(3) 0.107(3) 0.103(2) -0.080(2) -0.030(2) 0.0063(19) C17' 0.137(3) 0.0609(19) 0.278(6) 0.0174(19) 0.109(4) 0.031(3) 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' Si Si 0.0817 0.0704 '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 O1' Si C2' 109.06(9) O1' Si C8' 108.41(10) C2' Si C8' 110.90(10) O1' Si C14' 103.51(9) C2' Si C14' 114.95(10) C8' Si C14' 109.59(10) C6 N1 N2 115.14(18) N1 N2 C3 127.44(18) N1 N2 H2 116.9(16) C3 N2 H2 115.5(16) O3 C3 N2 120.83(18) O3 C3 C4 124.04(18) N2 C3 C4 115.12(18) C5 C4 C3 118.56(18) C5 C4 C1' 124.70(18) C3 C4 C1' 116.74(17) C4 C5 C6 119.70(19) C4 C5 H5 120.1 C6 C5 H5 120.1 N1 C6 C5 124.0(2) N1 C6 H6 118.0 C5 C6 H6 118.0 O1' C1' C4 109.16(16) O1' C1' H1'1 109.8 C4 C1' H1'1 109.8 O1' C1' H1'2 109.8 C4 C1' H1'2 109.8 H1'1 C1' H1'2 108.3 C1' O1' Si 125.32(13) C7' C2' C3' 115.6(2) C7' C2' Si 123.85(18) C3' C2' Si 120.58(18) C4' C3' C2' 122.3(3) C4' C3' H3' 118.8 C2' C3' H3' 118.8 C5' C4' C3' 120.3(3) C5' C4' H4' 119.8 C3' C4' H4' 119.8 C4' C5' C6' 119.3(3) C4' C5' H5' 120.3 C6' C5' H5' 120.3 C5' C6' C7' 120.8(3) C5' C6' H6' 119.6 C7' C6' H6' 119.6 C2' C7' C6' 121.6(3) C2' C7' H7' 119.2 C6' C7' H7' 119.2 C13' C8' C9' 116.3(2) C13' C8' Si 122.96(17) C9' C8' Si 120.66(18) C10' C9' C8' 121.6(3) C10' C9' H9' 119.2 C8' C9' H9' 119.2 C11' C10' C9' 120.1(3) C11' C10' H10' 120.0 C9' C10' H10' 120.0 C10' C11' C12' 120.4(3) C10' C11' H11' 119.8 C12' C11' H11' 119.8 C11' C12' C13' 119.7(3) C11' C12' H12' 120.1 C13' C12' H12' 120.1 C8' C13' C12' 121.8(3) C8' C13' H13' 119.1 C12' C13' H13' 119.1 C16' C14' C15' 108.6(2) C16' C14' C17' 109.2(3) C15' C14' C17' 108.4(3) C16' C14' Si 110.01(18) C15' C14' Si 108.18(16) C17' C14' Si 112.41(17) C14' C15' H15A 109.5 C14' C15' H15B 109.5 H15A C15' H15B 109.5 C14' C15' H15C 109.5 H15A C15' H15C 109.5 H15B C15' H15C 109.5 C14' C16' H16A 109.5 C14' C16' H16B 109.5 H16A C16' H16B 109.5 C14' C16' H16C 109.5 H16A C16' H16C 109.5 H16B C16' H16C 109.5 C14' C17' H17A 109.5 C14' C17' H17B 109.5 H17A C17' H17B 109.5 C14' C17' H17C 109.5 H17A C17' H17C 109.5 H17B C17' H17C 109.5 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Si O1' 1.6420(15) Si C2' 1.874(2) Si C8' 1.874(2) Si C14' 1.880(2) N1 C6 1.290(3) N1 N2 1.347(3) N2 C3 1.365(3) N2 H2 0.93(3) C3 O3 1.239(2) C3 C4 1.433(3) C4 C5 1.340(3) C4 C1' 1.493(3) C5 C6 1.415(3) C5 H5 0.9300 C6 H6 0.9300 C1' O1' 1.415(2) C1' H1'1 0.9700 C1' H1'2 0.9700 C2' C7' 1.374(3) C2' C3' 1.385(3) C3' C4' 1.381(4) C3' H3' 0.9300 C4' C5' 1.344(5) C4' H4' 0.9300 C5' C6' 1.346(5) C5' H5' 0.9300 C6' C7' 1.390(4) C6' H6' 0.9300 C7' H7' 0.9300 C8' C13' 1.388(3) C8' C9' 1.398(3) C9' C10' 1.389(4) C9' H9' 0.9300 C10' C11' 1.358(5) C10' H10' 0.9300 C11' C12' 1.363(5) C11' H11' 0.9300 C12' C13' 1.393(4) C12' H12' 0.9300 C13' H13' 0.9300 C14' C16' 1.510(3) C14' C15' 1.520(3) C14' C17' 1.520(4) C15' H15A 0.9600 C15' H15B 0.9600 C15' H15C 0.9600 C16' H16A 0.9600 C16' H16B 0.9600 C16' H16C 0.9600 C17' H17A 0.9600 C17' H17B 0.9600 C17' H17C 0.9600 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 N2 H2 O3 3_665 0.93(3) 1.84(3) 2.764(2) 176(2) C6 H6 Cg2 3_775 0.93 2.76 3.637(3) 138 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 C6 N1 N2 C3 -0.3(3) N1 N2 C3 O3 -179.2(2) N1 N2 C3 C4 0.9(3) O3 C3 C4 C5 179.5(2) N2 C3 C4 C5 -0.7(3) O3 C3 C4 C1' -0.8(3) N2 C3 C4 C1' 179.02(19) C3 C4 C5 C6 0.0(3) C1' C4 C5 C6 -179.7(2) N2 N1 C6 C5 -0.5(4) C4 C5 C6 N1 0.7(4) C5 C4 C1' O1' -6.1(3) C3 C4 C1' O1' 174.22(19) C4 C1' O1' Si -174.30(15) C2' Si O1' C1' -45.6(2) C8' Si O1' C1' 75.2(2) C14' Si O1' C1' -168.44(19) O1' Si C2' C7' 118.5(2) C8' Si C2' C7' -0.8(2) C14' Si C2' C7' -125.8(2) O1' Si C2' C3' -60.8(2) C8' Si C2' C3' 179.9(2) C14' Si C2' C3' 54.9(2) C7' C2' C3' C4' 1.8(4) Si C2' C3' C4' -178.8(2) C2' C3' C4' C5' -0.1(5) C3' C4' C5' C6' -1.5(5) C4' C5' C6' C7' 1.3(5) C3' C2' C7' C6' -2.0(4) Si C2' C7' C6' 178.6(2) C5' C6' C7' C2' 0.5(5) O1' Si C8' C13' -170.38(18) C2' Si C8' C13' -50.7(2) C14' Si C8' C13' 77.3(2) O1' Si C8' C9' 12.29(19) C2' Si C8' C9' 132.00(17) C14' Si C8' C9' -100.04(18) C13' C8' C9' C10' -0.1(3) Si C8' C9' C10' 177.36(17) C8' C9' C10' C11' 0.8(4) C9' C10' C11' C12' -0.8(4) C10' C11' C12' C13' 0.2(5) C9' C8' C13' C12' -0.5(3) Si C8' C13' C12' -178.0(2) C11' C12' C13' C8' 0.5(4) O1' Si C14' C16' -177.2(2) C2' Si C14' C16' 64.0(2) C8' Si C14' C16' -61.7(2) O1' Si C14' C15' -58.7(2) C2' Si C14' C15' -177.52(18) C8' Si C14' C15' 56.8(2) O1' Si C14' C17' 61.0(3) C2' Si C14' C17' -57.9(3) C8' Si C14' C17' 176.5(3) loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 118733865