#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2000243.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_2000243 _journal_name_full 'Acta Cryst. C' _journal_year 1991 _journal_volume 47 _journal_page_first 2252 _journal_page_last 2254 loop_ _publ_author_name 'Ammon, H.L.' _chemical_formula_sum 'C10 H6 N2 O4' _chemical_formula_weight 218.2 _symmetry_cell_setting triclinic _symmetry_space_group_name_H-M 'P -1' _symmetry_space_group_name_Hall '-P 1' _cell_length_a 7.5552(8) _cell_length_b 7.7630(10) _cell_length_c 9.0730(10) _cell_angle_alpha 110.742(9) _cell_angle_beta 99.570(9) _cell_angle_gamma 100.309(9) _cell_volume 474.1(2) _cell_formula_units_Z 2 _exptl_crystal_density_diffrn 1.528 _exptl_crystal_density_meas ? _exptl_crystal_F_000 224 _exptl_absorpt_coefficient_mu 1.05 _diffrn_radiation_type Cu _diffrn_radiation_wavelength 1.54178 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z O1 .2694(6) -.3127(5) .2059(4) O2 .2778(6) -.0770(5) .4188(4) O3 .6779(4) .4995(4) .4419(3) O4 .6418(5) .5701(4) .2343(4) N1 .2788(5) -.1446(5) .2785(4) N2 .6059(4) .4647(4) .3022(3) C1 .3106(4) -.0181(4) .1931(4) C2 .4304(5) .1555(5) .2828(4) C3 .4699(4) .2791(4) .2062(3) C4A .2640(4) .0543(4) -.0463(3) C4 .3912(4) .2343(4) .0475(4) C5 .1809(5) .0048(5) -.2130(4) C6 .0585(5) -.1681(5) -.3032(4) C7 .0144(5) -.2977(5) -.2326(4) C8A .2212(4) -.0790(4) .0250(3) C8 .0917(5) -.2568(5) -.0731(4) H2 .483(5) .178(5) .371(5) H4 .424(5) .318(5) -.006(4) H5 .207(4) .099(4) -.260(3) H6 -.006(5) -.197(5) -.411(5) H7 -.067(5) -.401(5) -.300(4) H8 .062(5) -.348(5) -.038(4)