#------------------------------------------------------------------------------ #$Date: 2008-01-13 23:15:36 +0100 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/2/2010325.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_2010325 _journal_name_full 'Acta Crystallographica' _journal_year 1994 _journal_volume C50 _journal_page_first 1930 _journal_page_last 1931 _publ_section_title ; trans-5-Nitro-2-furanacrylic Acid ; loop_ _publ_author_name 'Olszak, Tomasz A.' 'Peeters, Oswald M.' 'Blaton, Norbert M.' 'De Ranter, Camiel J.' _chemical_formula_moiety 'C7 H5 N1 O5 ' _chemical_formula_sum 'C7 H5 N1 O5 ' _chemical_formula_analytical 'C7 H5 N1 O5 ' _chemical_formula_weight 183.12 _symmetry_cell_setting 'monoclinic' _symmetry_space_group_name_H-M 'P 21/n' _symmetry_space_group_name_Hall '-P 2yn' loop_ _symmetry_equiv_pos_as_xyz '+x,+y,+z' '-x,-y,-z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' _cell_length_a 5.154(4) _cell_length_b 14.253(5) _cell_length_c 10.400(5) _cell_angle_alpha 90.00 _cell_angle_beta 99.61(6) _cell_angle_gamma 90.00 _cell_volume 753.3(8) _cell_formula_units_Z 4 _cell_measurement_temperature 293 _exptl_crystal_density_diffrn 1.615 _diffrn_ambient_temperature 293 _refine_ls_R_factor_obs 0.041 _refine_ls_wR_factor_obs 0.053 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag _atom_site_calc_attached_atom _atom_site_type_symbol O1 .1267(3) .41310(10) .87350(10) .0371(4) aniso . . O C2 -.0253(4) .33610(10) .8335(2) .0354(6) aniso . . C C21 .0798(4) .24470(10) .8683(2) .0369(6) aniso . . C C22 .3126(4) .22660(10) .9404(2) .0378(6) aniso . . C C23 .3948(4) .12860(10) .9641(2) .0348(6) aniso . . C O231 .6363(3) .11960(10) 1.0300(2) .0483(5) aniso . . O O232 .2561(3) .06130(10) .92650(10) .0449(5) aniso . . O C3 -.2612(4) .36380(10) .7643(2) .0410(7) aniso . . C C4 -.2601(4) .46260(10) .7606(2) .0424(7) aniso . . C C5 -.0234(4) .48760(10) .8269(2) .0357(6) aniso . . C N50 .0889(3) .57770(10) .8549(2) .0414(5) aniso . . N O501 .3145(4) .58300(10) .9144(2) .0640(7) aniso . . O O502 -.0488(3) .64530(10) .8155(2) .0584(7) aniso . . O H21 -.030(4) .192(2) .834(2) .045(6) iso . . H H22 .420(4) .273(2) .970(2) .042(6) iso . . H H231 .672(5) .059(2) 1.048(2) .067(8) iso . . H H3 -.394(5) .319(2) .725(3) .072(8) iso . . H H4 -.387(5) .506(2) .724(3) .061(7) iso . . H loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O1 .0405(8) .0209(6) .0459(8) .0021(5) -.0045(6) .0027(5) C2 .0390(10) .0241(9) .0410(10) .0015(7) .0018(8) .0000(7) C21 .0410(10) .0217(8) .0460(10) .0021(7) .0012(8) .0012(7) C22 .0400(10) .0240(10) .0470(10) .0003(8) .0000(8) -.0023(8) C23 .0380(10) .024(9) .0400(10) .0010(7) -.0012(8) .0015(7) O231 .039(8) .027(7) .0710(10) .0028(7) -.0128(7) .0018(6) O232 .046(8) .019(6) .062(9) .0024(6) -.0130(6) .0004(5) C3 .0380(10) .0280(10) .0540(10) .0022(8) -.0034(9) .0012(7) C4 .0380(10) .0310(10) .0550(10) .0062(8) -.0009(9) .0070(8) C5 .0420(10) .023(9) .0410(10) .0043(7) .0014(8) .0059(7) N50 .0570(10) .023(8) .043(9) .0026(6) .0030(8) .0019(7) O501 .0640(10) .039(9) .0780(10) -.0056(7) -.0195(9) -.0080(7) O502 .0740(10) .024(8) .0740(10) .0069(7) .0044(9) .0116(7) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag O1 C2 1.372(2) yes O1 C5 1.355(2) yes C2 C21 1.434(2) yes C2 C3 1.364(2) yes C21 C22 1.330(2) yes C21 H21 .97(2) no C22 C23 1.469(2) yes C22 H22 .88(2) no C23 O231 1.323(2) yes C23 O232 1.221(2) yes O231 H231 .90(2) no C3 C4 1.409(2) yes C3 H3 .98(2) no C4 C5 1.345(2) yes C4 H4 .93(2) no C5 N50 1.419(2) yes N50 O501 1.225(2) yes N50 O502 1.226(2) yes