data_2000823 _journal_name_full 'Acta Cryst.' _journal_year 1992 _journal_volume C48 _journal_page_first 1048 _journal_page_last 1051 loop_ _publ_author_name 'Priya, V.' 'Shamala, N.' 'Viswamitra, M.A.' 'Senthil Kumar, U.P.' 'Jeyaraman, R.' _chemical_formula_sum 'C17 H17 N3 O2' _chemical_formula_weight 295.34 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P 21 21 21' _symmetry_space_group_name_Hall ? _cell_length_a 7.6590(10) _cell_length_b 12.7410(10) _cell_length_c 15.0950(10) _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 90. _cell_volume 1473.19(2) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.32 _exptl_crystal_density_meas 1.33 _exptl_crystal_F_000 624 _exptl_absorpt_coefficient_mu 0.68 _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 N(1) -.0576(2) .23850(10) .27350(10) .0283(4) C(2) .1221(3) .2137(2) .24500(10) .0303(6) C(3) .2181(3) .1481(2) .31410(10) .0352(6) N(4) .2056(3) .1940(2) .40230(10) .0353(5) C(5) .0577(3) .1918(2) .44930(10) .0314(5) O(1) .0418(2) .23880(10) .52040(10) .0425(5) C(6) -.0879(4) .1267(3) .4112(2) .0350(6) C(7) -.1766(3) .1764(2) .33010(10) .0289(5) C(8) .1345(3) .1657(2) .15270(10) .0341(6) C(9) .2172(4) .2218(2) .0863(2) .0498(8) C(10) .2436(5) .1777(3) .0036(2) .0663(11) C(11) .1819(5) .0780(3) -.0135(2) .0674(11) C(12) .0987(4) .0221(3) .0515(2) .0598(9) C(13) .0753(4) .0654(2) .1351(2) .0429(7) C(14) -.2844(3) .0975(2) .27630(10) .0319(6) C(15) -.3499(3) .0071(2) .3148(2) .0400(6) C(16) -.4525(4) -.0620(2) .2663(2) .0516(8) C(17) -.4905(4) -.0416(2) .1788(2) .0535(9) C(18) -.4299(4) .0491(3) .1409(2) .0558(9) C(19) -.3276(4) .1179(2) .1888(2) .0467(7) N(20) -.1305(3) .32840(10) .24800(10) .0394(5) O(2) -.0431(3) .38160(10) .19630(10) .0505(5) HC2 .173(3) .277(2) .2424(17) ? H1C3 .344(4) .1444(19) .2959(16) ? H2C3 .173(4) .076(2) .3149(17) ? HN4 .303(4) .232(2) .4270(19) ? H1C6 -.035(3) .057(2) .3988(17) ? H2C6 -.178(4) .118(2) .4589(18) ? HC7 -.259(4) .232(2) .3528(16) ? HC9 .264(5) .293(3) .098(2) ? HC10 .296(5) .222(3) -.049(3) ? HC11 .199(4) .056(2) -.072(2) ? HC12 .058(4) -.050(3) .041(2) ? HC13 .018(4) .026(2) .1788(19) ? HC15 -.334(4) -.007(3) .375(2) ? HC16 -.485(5) -.127(3) .295(2) ? HC17 -.561(5) -.089(3) .142(2) ? HC18 -.450(4) .062(2) .078(2) ? HC19 -.285(5) .176(3) .165(2) ?