data_2000313 _journal_name_full 'Acta Cryst. C' _journal_year 1991 _journal_volume 47 _journal_page_first 1345 _journal_page_last 1347 loop_ _publ_author_name 'Lynch, V.M.' 'Austin, R.E.' 'Martin, S.F.' 'George, T.' _chemical_formula_sum 'C25 H35 N1 O4' _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P212121' _symmetry_space_group_name_Hall ? _cell_length_a 9.359(2) _cell_length_b 10.1170(10) _cell_length_c 24.710(4) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2339.8(6) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.17 _exptl_crystal_density_meas ? _exptl_crystal_F_000 896 _exptl_absorpt_coefficient_mu 0.0733 _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.7107 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv C1 .5344(3) .1830(3) .33725(10) .0359(7) C2 .4372(3) .3011(3) .33906(10) .0347(7) C3 .5279(3) .2759(2) .28912(10) .0342(7) C4 .6645(3) .1866(3) .37111(10) .0378(8) O5 .7417(2) .2811(2) .37637(8) .0531(7) O6 .6822(2) .0711(2) .39622(8) .0469(6) C7 .8083(3) .0528(3) .43061(11) .0469(9) C8 .7565(4) -.0172(3) .48224(12) .0523(10) C9 .8905(5) -.0486(4) .51564(14) .0731(14) C10 .9956(5) -.1336(4) .4836(2) .0747(14) C11 1.0440(4) -.0667(4) .4329(2) .0630(12) C12 .9144(3) -.0266(3) .39911(13) .0494(10) C13 1.1472(6) -.1489(6) .4001(3) .093(2) C14 .6426(5) .0555(4) .5169(2) .0775(15) C15 .4916(5) .0338(5) .4988(2) .101(2) C16 .6778(7) .2022(4) .5250(2) .094(2) C17 .2785(3) .2719(3) .33767(10) .0386(8) O18 .2318(2) .1621(2) .34827(8) .0534(7) N19 .1944(2) .3734(3) .32296(10) .0472(8) C20 .2417(3) .5049(3) .30703(13) .0479(9) C21 .1864(4) .5376(4) .25168(15) .0584(11) O22 .0349(2) .5255(3) .24950(10) .0684(9) C23 -.0059(4) .3937(4) .2616(2) .0666(13) C24 .0395(3) .3533(4) .3177(2) .0623(12) C25 .4683(3) .2372(2) .23564(9) .0354(7) C26 .3630(3) .1409(3) .22892(12) .0452(9) C27 .3125(4) .1107(3) .17717(12) .0549(10) C28 .3646(4) .1743(3) .13310(13) .0576(11) C29 .4680(4) .2688(3) .13873(12) .0572(11) C30 .5206(3) .3002(3) .18979(11) .0474(9) H1 .487(3) .100(3) .3378(11) .043(7) H2 .462(2) .378(2) .3603(9) .026(6) H3 .609(3) .323(3) .2851(10) .037(7) H7 .847(3) .140(3) .4393(11) .044(7) H8 .712(3) -.103(3) .4705(10) .038(7) H9A .927(3) .048(3) .5307(12) .052(9) H9B .857(5) -.108(4) .548(2) .106(14) H10A .939(6) -.224(5) .471(2) .13(2) H10B 1.083(4) -.158(4) .510(2) .083(11) H11 1.091(4) -.004(4) .437(2) .067(12) H12A .863(4) -.121(4) .3867(14) .073(10) H12B .937(3) .029(3) .3731(14) .062(10) H13A 1.104(4) -.226(4) .3969(15) .063(12) H13B 1.237(5) -.178(4) .418(2) .098(14) H13C 1.173(5) -.105(4) .364(2) .097(14) H14 .6489 .0147 .5519 .078(11) H15A .4748 -.0592 .4944 .096(15) H15B .4763 .0781 .4649 .20(3) H15C .4270 .0685 .5254 .28(5) H16A .780(6) .257(6) .528(2) .14(2) H16B .659(5) .251(4) .486(2) .090(12) H16C .603(4) .237(4) .558(2) .090(12) H20A .203(4) .576(4) .3335(14) .075(10) H20B .344(4) .493(4) .3123(14) .076(11) H21A .233(4) .472(4) .2215(13) .076(11) H21B .203(4) .621(4) .245(2) .076(12) H23A .040(4) .325(3) .2344(14) .066(10) H23B -.113(4) .386(4) .259(2) .090(12) H24A .023(4) .249(4) .3227(14) .074(11) H24B -.008(4) .406(4) .3413(14) .072(11) H26 .336(3) .095(3) .2588(11) .032(7) H27 .236(4) .037(4) .1736(14) .080(11) H28 .334(4) .130(4) .106(2) .088(13) H29 .508(4) .314(3) .1132(15) .065(10) H30 .598(4) .372(3) .1935(13) .065(9)