#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/2/2005301.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_2005301 _journal_name_full 'Acta Crystallographica' _journal_year 1996 _journal_volume C52 _journal_page_first 2058 _journal_page_last 2060 _publ_section_title ; Antihypertensive 2-(1,3-Dioxolan-2-yl)-2-methyl-6-nitro-4-(2-oxo-1-pyrrolidinyl) -2H-1-benzopyran ; _chemical_formula_moiety 'C17 H18 N2 O6' _chemical_formula_sum 'C17 H18 N2 O6' _chemical_formula_weight 346.33 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x+1/2,-y,z+1/2' 'x+1/2,-y+1/2,-z' '-x,y+1/2,-z+1/2' _symmetry_space_group_name_H-M 'P 21 21 21' _cell_length_a 10.563(2) _cell_length_b 16.902(2) _cell_length_c 9.297(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1659.8(5) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.386 _exptl_crystal_density_meas 1.345(8) _cell_measurement_temperature 295 loop_ _atom_site_label _atom_site_occupancy _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O1 1 .6427(2) .1190(1) .0148(2) .0574(5) C2 1 .5966(2) .0750(2) -0.1090(3) .0578(6) C3 1 .4550(2) .0806(2) -0.1239(3) .0517(6) C4 1 .3815(2) .1012(1) -.0166(2) .0462(5) C5 1 .3645(2) .1445(1) .2419(3) .0496(6) C6 1 .4240(2) .1677(1) .3658(3) .0520(6) C7 1 .5551(3) .1709(1) .3767(3) .0553(6) C8 1 .6265(2) .1521(2) .2578(3) .0546(6) C9 1 .5681(2) .1298(1) .1314(3) .0477(5) C10 1 .4348(2) .1246(1) .1215(3) .0459(5) C11 1 .6653(3) .1097(3) -0.2382(4) .083(1) C12 1 .6380(2) -.0112(2) -.0824(4) .0685(8) O13 1 .5966(2) -.0608(1) -0.1941(3) .0812(7) C14 1 .4899(4) -0.1047(2) -0.1385(4) .0856(9) C15 1 .5046(5) -0.1025(2) .0195(5) .095(1) O16 1 .5887(2) -.0390(1) .0477(2) .0776(6) N17 1 .2464(2) .1044(1) -.0324(2) .0487(5) C18 1 .1694(2) .0433(2) .0011(3) .0576(6) O19 1 .2018(2) -.0171(1) .0593(3) .0885(8) C20 1 .0373(3) .0654(2) -.0486(4) .0749(9) C21 1 .0441(3) .1535(2) -.0763(5) .081(1) C22 1 .1835(3) .1697(2) -0.1057(5) .0738(9) N23 1 .3493(2) .1920(1) .4888(3) .0620(6) O24 1 .2352(2) .1996(2) .4717(3) .0856(7) O25 1 .4021(3) .2050(1) .6034(2) .0825(7) H3 1 .424(3) .065(2) -0.213(4) .068(8) H5 1 .280(4) .141(2) .241(3) .07(1) H7 1 .595(3) .186(2) .466(3) .061(8) H8 1 .715(3) .155(2) .251(3) .073(9) H111 1 .641(4) .174(3) -0.261(4) .10(1) H112 1 .743(5) .107(3) -0.222(5) .11(2) H113 1 .631(4) .079(2) -0.328(4) .09(1) H12 1 .730(4) -.011(2) -.079(4) .10(1) H141 1 .496(4) -0.157(3) -0.174(4) .09(1) H142 1 .395(4) -.071(3) -0.165(5) .11(1) H151 1 .550(5) -0.148(3) .073(5) .13(2) H152 1 .424(6) -.089(4) .074(6) .16(2) H201 1 .035(4) .037(3) -0.139(5) .11(2) H202 1 -.027(4) .054(3) .035(5) .11(1) H211 1 .025(4) .185(3) .020(5) .10(1) H212 1 -.003(4) .172(2) -0.158(4) .09(1) H221 1 .223(3) .225(2) -.080(4) .09(1) H222 1 .198(5) .164(3) -0.200(5) .12(2)