#------------------------------------------------------------------------------ #$Date: 2020-11-06 23:32:35 +0200 (Fri, 06 Nov 2020) $ #$Revision: 259009 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/55/94/1559479.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1559479 loop_ _publ_author_name 'Kranjc, Kri\2\s(I) _cod_data_source_file exo-3f.cif _cod_data_source_block exo-3f _cod_original_cell_volume 1122.23(5) _cod_original_sg_symbol_H-M P-1 _cod_database_code 1559479 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' 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 N1 N 0.67257(16) 0.51100(14) 0.85923(12) 0.0428(3) Uani 1 1 d . . . H1 H 0.6540 0.5173 0.9295 0.064 Uiso 1 1 calc R . . N2 N 0.4726(2) 0.62625(15) 0.77666(13) 0.0500(4) Uani 1 1 d . . . O1 O 0.41650(15) 0.35663(13) 0.89506(10) 0.0472(3) Uani 1 1 d . . . O2 O 0.30326(13) 0.26566(12) 0.70207(10) 0.0414(3) Uani 1 1 d . . . O3 O 0.85339(19) 0.57056(17) 0.75612(13) 0.0760(5) Uani 1 1 d . . . O4 O 0.6613(3) 0.76747(16) 0.73144(19) 0.0930(6) Uani 1 1 d . . . O5 O 0.39590(16) 0.01944(13) 0.40729(12) 0.0569(4) Uani 1 1 d . . . C1 C 0.41982(19) 0.34825(15) 0.79328(14) 0.0361(3) Uani 1 1 d . . . C2 C 0.55255(18) 0.42616(15) 0.75487(13) 0.0360(3) Uani 1 1 d . . . C3 C 0.4917(2) 0.50477(16) 0.69099(14) 0.0429(4) Uani 1 1 d . . . H3 H 0.5697 0.5312 0.6462 0.051 Uiso 1 1 calc R . . C4 C 0.3471(2) 0.40649(18) 0.59652(16) 0.0493(4) Uani 1 1 d . . . H4A H 0.2581 0.4303 0.6226 0.059 Uiso 1 1 calc R . . H4B H 0.3556 0.4117 0.5193 0.059 Uiso 1 1 calc R . . C5 C 0.3266(2) 0.26379(17) 0.58110(14) 0.0406(4) Uani 1 1 d . . . C6 C 0.47827(19) 0.23875(16) 0.56077(13) 0.0373(4) Uani 1 1 d . . . C7 C 0.59338(19) 0.32118(16) 0.65310(13) 0.0373(4) Uani 1 1 d . . . H7 H 0.6914 0.3147 0.6549 0.045 Uiso 1 1 calc R . . C8 C 0.8131(2) 0.58136(19) 0.85248(16) 0.0524(5) Uani 1 1 d . . . C9 C 0.9153(2) 0.6709(2) 0.9735(2) 0.0662(7) Uani 1 1 d . . . C10 C 0.9961(3) 0.8013(3) 0.9959(3) 0.1164(14) Uani 1 1 d . . . H10 H 0.9872 0.8325 0.9366 0.140 Uiso 1 1 calc R . . C11 C 1.0912(5) 0.8852(5) 1.1086(5) 0.176(3) Uani 1 1 d . . . H11 H 1.1464 0.9731 1.1250 0.212 Uiso 1 1 calc R . . C12 C 1.1030(4) 0.8384(7) 1.1945(5) 0.186(4) Uani 1 1 d . . . H12 H 1.1663 0.8959 1.2694 0.223 Uiso 1 1 calc R . . C13 C 1.0232(4) 0.7066(6) 1.1742(3) 0.141(2) Uani 1 1 d . . . H13 H 1.0340 0.6754 1.2333 0.170 Uiso 1 1 calc R . . C14 C 0.9280(3) 0.6251(4) 1.0629(2) 0.0884(9) Uani 1 1 d . . . H14 H 0.8712 0.5377 1.0473 0.106 Uiso 1 1 calc R . . C15 C 0.5652(3) 0.7483(2) 0.7921(2) 0.0625(6) Uani 1 1 d . . . C16 C 0.5239(4) 0.8524(2) 0.8933(2) 0.0850(8) Uani 1 1 d . . . H16A H 0.6111 0.9062 0.9595 0.102 Uiso 1 1 calc R . . H16B H 0.4919 0.9109 0.8645 0.102 Uiso 1 1 calc R . . C17 C 0.3971(4) 0.7790(3) 0.9340(3) 0.0953(10) Uani 1 1 d . . . H17A H 0.3070 0.8040 0.9237 0.114 Uiso 1 1 calc R . . H17B H 0.4259 0.8002 1.0193 0.114 Uiso 1 1 calc R . . C18 C 0.3631(3) 0.6316(2) 0.85827(19) 0.0600(5) Uani 1 1 d . . . H18A H 0.3779 0.5866 0.9090 0.072 Uiso 1 1 calc R . . H18B H 0.2587 0.5903 0.8130 0.072 Uiso 1 1 calc R . . C19 C 0.1822(2) 0.1622(2) 0.49472(17) 0.0565(5) Uani 1 1 d . . . H19A H 0.1682 0.0774 0.4976 0.085 Uiso 1 1 calc R . . H19B H 0.1902 0.1534 0.4137 0.085 Uiso 1 1 calc R . . H19C H 0.0961 0.1909 0.5178 0.085 Uiso 1 1 calc R . . C20 C 0.4958(2) 0.12816(16) 0.45190(14) 0.0400(4) Uani 1 1 d . . . C21 C 0.6395(2) 0.15180(18) 0.40220(15) 0.0442(4) Uani 1 1 d . . . C22 C 0.7358(2) 0.2776(2) 0.42156(18) 0.0545(5) Uani 1 1 d . . . H22 H 0.7129 0.3533 0.4696 0.065 Uiso 1 1 calc R . . C23 C 0.8655(3) 0.2914(3) 0.3700(2) 0.0703(6) Uani 1 1 d . . . H23 H 0.9281 0.3760 0.3824 0.084 Uiso 1 1 calc R . . C24 C 0.9022(3) 0.1809(3) 0.3009(2) 0.0787(8) Uani 1 1 d . . . H24 H 0.9906 0.1906 0.2677 0.094 Uiso 1 1 calc R . . C25 C 0.8084(3) 0.0561(3) 0.2808(2) 0.0789(8) Uani 1 1 d . . . H25 H 0.8331 -0.0188 0.2336 0.095 Uiso 1 1 calc R . . C26 C 0.6771(3) 0.0407(2) 0.33012(19) 0.0615(5) Uani 1 1 d . . . H26 H 0.6135 -0.0446 0.3150 0.074 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 N1 0.0413(7) 0.0424(8) 0.0278(6) 0.0051(6) 0.0050(5) 0.0032(6) N2 0.0737(11) 0.0359(8) 0.0402(8) 0.0124(6) 0.0159(7) 0.0219(7) O1 0.0541(7) 0.0485(7) 0.0333(6) 0.0155(5) 0.0093(5) 0.0107(6) O2 0.0385(6) 0.0415(6) 0.0337(6) 0.0093(5) 0.0049(5) 0.0075(5) O3 0.0738(10) 0.0723(10) 0.0503(8) 0.0113(7) 0.0269(8) -0.0048(8) O4 0.1262(16) 0.0455(9) 0.1015(14) 0.0290(9) 0.0522(13) 0.0162(10) O5 0.0559(8) 0.0390(7) 0.0521(8) 0.0004(6) 0.0012(6) 0.0096(6) C1 0.0403(8) 0.0319(8) 0.0308(7) 0.0084(6) 0.0052(6) 0.0115(6) C2 0.0400(8) 0.0320(8) 0.0263(7) 0.0060(6) 0.0037(6) 0.0071(6) C3 0.0628(11) 0.0339(8) 0.0314(8) 0.0114(7) 0.0123(7) 0.0178(8) C4 0.0651(12) 0.0474(10) 0.0355(8) 0.0128(7) 0.0025(8) 0.0266(9) C5 0.0433(9) 0.0419(9) 0.0284(7) 0.0073(6) 0.0013(6) 0.0139(7) C6 0.0427(9) 0.0333(8) 0.0303(7) 0.0085(6) 0.0055(6) 0.0112(7) C7 0.0396(8) 0.0350(8) 0.0316(7) 0.0090(6) 0.0075(6) 0.0109(7) C8 0.0482(10) 0.0451(10) 0.0414(9) 0.0035(8) 0.0123(8) 0.0024(8) C9 0.0380(10) 0.0634(13) 0.0508(11) -0.0114(10) 0.0117(8) -0.0013(9) C10 0.0813(19) 0.0696(17) 0.108(2) -0.0234(16) 0.0383(17) -0.0251(14) C11 0.080(2) 0.115(3) 0.159(4) -0.077(3) 0.046(3) -0.037(2) C12 0.0500(17) 0.221(6) 0.111(3) -0.093(4) -0.012(2) 0.028(3) C13 0.076(2) 0.213(5) 0.0648(18) -0.021(2) -0.0216(16) 0.067(3) C14 0.0528(13) 0.122(2) 0.0520(13) 0.0001(14) -0.0044(10) 0.0275(14) C15 0.0939(17) 0.0359(10) 0.0534(11) 0.0146(9) 0.0145(11) 0.0210(10) C16 0.131(2) 0.0434(12) 0.0679(15) 0.0070(11) 0.0210(16) 0.0334(14) C17 0.138(3) 0.0613(15) 0.0840(18) 0.0109(14) 0.0455(19) 0.0515(17) C18 0.0822(15) 0.0538(12) 0.0500(11) 0.0182(9) 0.0244(10) 0.0338(11) C19 0.0435(10) 0.0619(12) 0.0430(10) 0.0039(9) -0.0037(8) 0.0149(9) C20 0.0467(9) 0.0347(8) 0.0312(7) 0.0070(6) 0.0019(7) 0.0134(7) C21 0.0530(10) 0.0481(10) 0.0331(8) 0.0145(7) 0.0094(7) 0.0221(8) C22 0.0607(12) 0.0548(11) 0.0465(10) 0.0206(9) 0.0140(9) 0.0170(9) C23 0.0634(14) 0.0906(18) 0.0644(13) 0.0421(13) 0.0210(11) 0.0209(13) C24 0.0712(15) 0.124(2) 0.0710(15) 0.0569(16) 0.0336(13) 0.0497(17) C25 0.0943(19) 0.103(2) 0.0708(15) 0.0405(15) 0.0410(14) 0.0677(18) C26 0.0802(15) 0.0595(12) 0.0545(11) 0.0213(10) 0.0254(11) 0.0387(11) 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' 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 N1 C2 123.29(14) . . ? C8 N1 H1 118.4 . . ? C2 N1 H1 118.4 . . ? C15 N2 C3 121.23(17) . . ? C15 N2 C18 113.77(16) . . ? C3 N2 C18 124.89(16) . . ? C1 O2 C5 115.10(12) . . ? O1 C1 O2 121.50(15) . . ? O1 C1 C2 125.18(15) . . ? O2 C1 C2 113.31(13) . . ? N1 C2 C7 115.76(14) . . ? N1 C2 C1 108.95(12) . . ? C7 C2 C1 104.92(13) . . ? N1 C2 C3 113.69(13) . . ? C7 C2 C3 104.01(12) . . ? C1 C2 C3 108.99(14) . . ? N2 C3 C4 114.60(16) . . ? N2 C3 C2 112.98(13) . . ? C4 C3 C2 107.94(13) . . ? N2 C3 H3 107.0 . . ? C4 C3 H3 107.0 . . ? C2 C3 H3 107.0 . . ? C5 C4 C3 110.16(14) . . ? C5 C4 H4A 109.6 . . ? C3 C4 H4A 109.6 . . ? C5 C4 H4B 109.6 . . ? C3 C4 H4B 109.6 . . ? H4A C4 H4B 108.1 . . ? O2 C5 C19 104.67(14) . . ? O2 C5 C6 106.78(13) . . ? C19 C5 C6 118.39(14) . . ? O2 C5 C4 104.73(13) . . ? C19 C5 C4 113.35(16) . . ? C6 C5 C4 107.81(15) . . ? C7 C6 C20 122.71(15) . . ? C7 C6 C5 113.22(14) . . ? C20 C6 C5 123.98(14) . . ? C6 C7 C2 114.75(15) . . ? C6 C7 H7 122.6 . . ? C2 C7 H7 122.6 . . ? O3 C8 N1 122.81(17) . . ? O3 C8 C9 123.31(18) . . ? N1 C8 C9 113.87(16) . . ? C10 C9 C14 120.2(3) . . ? C10 C9 C8 118.8(3) . . ? C14 C9 C8 121.0(2) . . ? C9 C10 C11 119.0(5) . . ? C9 C10 H10 120.5 . . ? C11 C10 H10 120.5 . . ? C12 C11 C10 119.9(5) . . ? C12 C11 H11 120.0 . . ? C10 C11 H11 120.0 . . ? C11 C12 C13 122.3(4) . . ? C11 C12 H12 118.8 . . ? C13 C12 H12 118.8 . . ? C14 C13 C12 117.2(5) . . ? C14 C13 H13 121.4 . . ? C12 C13 H13 121.4 . . ? C13 C14 C9 121.3(4) . . ? C13 C14 H14 119.4 . . ? C9 C14 H14 119.4 . . ? O4 C15 N2 124.91(19) . . ? O4 C15 C16 127.0(2) . . ? N2 C15 C16 108.0(2) . . ? C17 C16 C15 106.2(2) . . ? C17 C16 H16A 110.5 . . ? C15 C16 H16A 110.5 . . ? C17 C16 H16B 110.5 . . ? C15 C16 H16B 110.5 . . ? H16A C16 H16B 108.7 . . ? C16 C17 C18 107.9(2) . . ? C16 C17 H17A 110.1 . . ? C18 C17 H17A 110.1 . . ? C16 C17 H17B 110.1 . . ? C18 C17 H17B 110.1 . . ? H17A C17 H17B 108.4 . . ? N2 C18 C17 104.1(2) . . ? N2 C18 H18A 110.9 . . ? C17 C18 H18A 110.9 . . ? N2 C18 H18B 110.9 . . ? C17 C18 H18B 110.9 . . ? H18A C18 H18B 109.0 . . ? C5 C19 H19A 109.5 . . ? C5 C19 H19B 109.5 . . ? H19A C19 H19B 109.5 . . ? C5 C19 H19C 109.5 . . ? H19A C19 H19C 109.5 . . ? H19B C19 H19C 109.5 . . ? O5 C20 C21 120.91(15) . . ? O5 C20 C6 120.06(16) . . ? C21 C20 C6 118.98(15) . . ? C22 C21 C26 118.31(19) . . ? C22 C21 C20 123.92(16) . . ? C26 C21 C20 117.75(18) . . ? C23 C22 C21 120.6(2) . . ? C23 C22 H22 119.7 . . ? C21 C22 H22 119.7 . . ? C24 C23 C22 120.4(3) . . ? C24 C23 H23 119.8 . . ? C22 C23 H23 119.8 . . ? C25 C24 C23 119.8(2) . . ? C25 C24 H24 120.1 . . ? C23 C24 H24 120.1 . . ? C24 C25 C26 120.5(2) . . ? C24 C25 H25 119.7 . . ? C26 C25 H25 119.7 . . ? C25 C26 C21 120.5(2) . . ? C25 C26 H26 119.8 . . ? C21 C26 H26 119.8 . . ? 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 N1 C8 1.352(2) . ? N1 C2 1.4372(19) . ? N1 H1 0.8600 . ? N2 C15 1.357(3) . ? N2 C3 1.447(2) . ? N2 C18 1.455(3) . ? O1 C1 1.2056(19) . ? O2 C1 1.3292(19) . ? O2 C5 1.4908(19) . ? O3 C8 1.220(2) . ? O4 C15 1.213(3) . ? O5 C20 1.217(2) . ? C1 C2 1.517(2) . ? C2 C7 1.510(2) . ? C2 C3 1.584(2) . ? C3 C4 1.535(3) . ? C3 H3 0.9800 . ? C4 C5 1.530(3) . ? C4 H4A 0.9700 . ? C4 H4B 0.9700 . ? C5 C19 1.505(2) . ? C5 C6 1.524(2) . ? C6 C7 1.328(2) . ? C6 C20 1.493(2) . ? C7 H7 0.9300 . ? C8 C9 1.496(3) . ? C9 C10 1.382(4) . ? C9 C14 1.389(4) . ? C10 C11 1.394(6) . ? C10 H10 0.9300 . ? C11 C12 1.357(9) . ? C11 H11 0.9300 . ? C12 C13 1.400(9) . ? C12 H12 0.9300 . ? C13 C14 1.380(4) . ? C13 H13 0.9300 . ? C14 H14 0.9300 . ? C15 C16 1.504(3) . ? C16 C17 1.473(4) . ? C16 H16A 0.9700 . ? C16 H16B 0.9700 . ? C17 C18 1.508(3) . ? C17 H17A 0.9700 . ? C17 H17B 0.9700 . ? C18 H18A 0.9700 . ? C18 H18B 0.9700 . ? C19 H19A 0.9600 . ? C19 H19B 0.9600 . ? C19 H19C 0.9600 . ? C20 C21 1.491(3) . ? C21 C22 1.390(3) . ? C21 C26 1.391(3) . ? C22 C23 1.383(3) . ? C22 H22 0.9300 . ? C23 C24 1.371(4) . ? C23 H23 0.9300 . ? C24 C25 1.369(4) . ? C24 H24 0.9300 . ? C25 C26 1.383(3) . ? C25 H25 0.9300 . ? C26 H26 0.9300 . ? loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA _geom_hbond_site_symmetry_A N1 H1 O1 0.86 2.32 3.0620(18) 145.2 2_667 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 C5 O2 C1 O1 -178.26(15) . . . . ? C5 O2 C1 C2 1.12(19) . . . . ? C8 N1 C2 C7 54.1(2) . . . . ? C8 N1 C2 C1 172.00(17) . . . . ? C8 N1 C2 C3 -66.2(2) . . . . ? O1 C1 C2 N1 -0.1(2) . . . . ? O2 C1 C2 N1 -179.42(13) . . . . ? O1 C1 C2 C7 124.48(17) . . . . ? O2 C1 C2 C7 -54.88(17) . . . . ? O1 C1 C2 C3 -124.63(17) . . . . ? O2 C1 C2 C3 56.01(17) . . . . ? C15 N2 C3 C4 -124.8(2) . . . . ? C18 N2 C3 C4 59.2(2) . . . . ? C15 N2 C3 C2 111.0(2) . . . . ? C18 N2 C3 C2 -65.0(2) . . . . ? N1 C2 C3 N2 -42.4(2) . . . . ? C7 C2 C3 N2 -169.19(15) . . . . ? C1 C2 C3 N2 79.30(17) . . . . ? N1 C2 C3 C4 -170.20(14) . . . . ? C7 C2 C3 C4 63.04(17) . . . . ? C1 C2 C3 C4 -48.46(17) . . . . ? N2 C3 C4 C5 -136.26(16) . . . . ? C2 C3 C4 C5 -9.42(19) . . . . ? C1 O2 C5 C19 178.87(14) . . . . ? C1 O2 C5 C6 52.55(17) . . . . ? C1 O2 C5 C4 -61.63(17) . . . . ? C3 C4 C5 O2 63.35(18) . . . . ? C3 C4 C5 C19 176.86(15) . . . . ? C3 C4 C5 C6 -50.09(18) . . . . ? O2 C5 C6 C7 -51.24(18) . . . . ? C19 C5 C6 C7 -168.87(17) . . . . ? C4 C5 C6 C7 60.83(18) . . . . ? O2 C5 C6 C20 125.36(16) . . . . ? C19 C5 C6 C20 7.7(3) . . . . ? C4 C5 C6 C20 -122.57(17) . . . . ? C20 C6 C7 C2 -179.79(15) . . . . ? C5 C6 C7 C2 -3.1(2) . . . . ? N1 C2 C7 C6 176.12(15) . . . . ? C1 C2 C7 C6 56.02(18) . . . . ? C3 C2 C7 C6 -58.41(18) . . . . ? C2 N1 C8 O3 -5.8(3) . . . . ? C2 N1 C8 C9 175.50(18) . . . . ? O3 C8 C9 C10 47.9(3) . . . . ? N1 C8 C9 C10 -133.4(2) . . . . ? O3 C8 C9 C14 -132.8(3) . . . . ? N1 C8 C9 C14 45.8(3) . . . . ? C14 C9 C10 C11 0.6(4) . . . . ? C8 C9 C10 C11 179.8(3) . . . . ? C9 C10 C11 C12 -0.1(6) . . . . ? C10 C11 C12 C13 0.5(7) . . . . ? C11 C12 C13 C14 -1.3(6) . . . . ? C12 C13 C14 C9 1.8(4) . . . . ? C10 C9 C14 C13 -1.5(4) . . . . ? C8 C9 C14 C13 179.3(2) . . . . ? C3 N2 C15 O4 6.0(4) . . . . ? C18 N2 C15 O4 -177.5(2) . . . . ? C3 N2 C15 C16 -175.64(19) . . . . ? C18 N2 C15 C16 0.8(3) . . . . ? O4 C15 C16 C17 177.6(3) . . . . ? N2 C15 C16 C17 -0.7(3) . . . . ? C15 C16 C17 C18 0.4(3) . . . . ? C15 N2 C18 C17 -0.5(3) . . . . ? C3 N2 C18 C17 175.8(2) . . . . ? C16 C17 C18 N2 0.0(3) . . . . ? C7 C6 C20 O5 138.87(19) . . . . ? C5 C6 C20 O5 -37.4(3) . . . . ? C7 C6 C20 C21 -38.9(2) . . . . ? C5 C6 C20 C21 144.86(16) . . . . ? O5 C20 C21 C22 159.77(18) . . . . ? C6 C20 C21 C22 -22.5(3) . . . . ? O5 C20 C21 C26 -18.8(3) . . . . ? C6 C20 C21 C26 158.88(17) . . . . ? C26 C21 C22 C23 0.1(3) . . . . ? C20 C21 C22 C23 -178.49(18) . . . . ? C21 C22 C23 C24 -1.2(3) . . . . ? C22 C23 C24 C25 1.3(4) . . . . ? C23 C24 C25 C26 -0.3(4) . . . . ? C24 C25 C26 C21 -0.8(4) . . . . ? C22 C21 C26 C25 0.9(3) . . . . ? C20 C21 C26 C25 179.57(19) . . . . ?