data_2001964 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 1993 _journal_volume C49 _journal_page_first 298 _journal_page_last 300 loop_ _publ_author_name 'Hempel, A.' 'Hamodrakas, S.J.' 'Troganis, A.' 'Stassinopoulou, C.I.' 'Camerman, N.' 'Ottensmeyer, F.P.' 'Camerman, A.' _chemical_formula_moiety ? _chemical_formula_sum 'C15 H28 N1 O7' _chemical_formula_weight 334.39 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 1 21 1' _symmetry_space_group_name_Hall 'P 2y1' _cell_length_a 9.239(4) _cell_length_b 14.475(6) _cell_length_c 6.404(3) _cell_angle_alpha 90 _cell_angle_beta 91.19(5) _cell_angle_gamma 90 _cell_volume 856.25 _cell_formula_units_Z 2 _exptl_crystal_density_diffrn 1.303 _exptl_crystal_density_meas 1.297 _exptl_crystal_F_000 362 _exptl_absorpt_coefficient_mu 0.766 _diffrn_radiation_type Cu _diffrn_radiation_wavelength 1.5418 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O(1) .0785(3) .3230(3) .1332(3) .0333(13) O(2) .0346(3) .5126(3) -.2427(5) .0377(14) O(3) .2628(3) .2393(3) -.0177(3) .0411(14) O(4) .6740(3) .0245(3) .3625(5) .0493(16) C(5) .0388(3) .2524(3) -.2071(6) .0328(18) O(6) .0895(3) .1882(3) -.3546(5) .0519(18) C(7) .0208(3) .4232(3) -.1541(6) .0288(17) C(8) .0529(3) .3476(3) -.3070(6) .0279(17) O(9) -.0474(3) .3549(3) -.4779(3) .0368(13) O(10) -.0377(3) .5056(3) .2558(5) .0471(17) C(11) .3404(5) .0890(3) .0913(6) .039(2) N(12) .5738(3) .0751(3) .2813(5) .0346(16) C(13) .1174(3) .4095(3) .0392(6) .0313(18) C(14) .1133(3) .2451(3) .0066(6) .0336(18) C(15) .4887(5) .2278(3) .1569(6) .041(2) C(16) .3382(3) .1906(3) .1484(6) .0339(18) C(17) .5928(3) .1772(3) .3063(6) .038(2) C(18) .4314(3) .0292(3) .2417(6) .0357(19) C(19) .1064(5) .4869(3) .1979(6) .043(2) C(20) .3573(6) .0125(5) .4487(7) .056(3) C(21) .4620(6) -.0627(3) .1348(9) .056(3) C(22) .7473(5) .2008(3) .2506(9) .056(3) C(23) .5669(6) .2030(5) .5345(7) .066(3) H(O2) .117(6) .521(4) -.277(9) ? H(O6) .0744 .1352 -.3259 ? H(O9) -.015(6) .326(4) -.570(9) ? H(O1O) -.0406 .4621 .3328 ? H(C5) -.076(5) .243(4) -.183(7) ? H(C7) -.091(6) .415(4) -.117(8) ? H(C8) .151(6) .356(4) -.350(9) ? H(C11)1 .388(5) .082(4) -.049(9) ? H(C11)2 .238(6) .074(4) .101(8) ? H(C13) .218(6) .408(4) -.007(8) ? H(C14) .087(6) .194(4) .077(8) ? H(C15)1 .531(5) .226(4) .011(9) ? H(C15)2 .491(5) .287(4) .206(8) ? H(C16) .286(5) .197(4) .290(8) ? H(C19)1 .135(6) .543(4) .140(9) ? H(C19)2 .170(5) .472(4) .317(9) ? H(C20)1 .2648(6) -.0313(5) .4163(7) ? H(C20)2 .3210(6) .0772(5) .5131(7) ? H(C20)3 .4291(6) -.0214(5) .5597(7) ? H(C21)1 .3564(6) -.0926(3) .1055(10) ? H(C21)2 .5238(6) -.1068(3) .2392(10) ? H(C21)3 .5178(6) -.0559(3) -.0109(10) ? H(C22)1 .7422(5) .2748(3) .2673(10) ? H(C22)2 .7785(5) .1836(3) .0938(10) ? H(C22)3 .8260(5) .1731(3) .3609(10) ? H(C23)1 .6047(6) .2714(5) .5744(7) ? H(C23)2 .6238(6) .1527(5) .6298(7) ? H(C23)3 .4523(6) .1984(5) .5619(7) ?