data_2100240 _journal_name_full 'Acta Crystallographica, Section B' _journal_year 2005 _journal_volume 61 _journal_page_first 58 _journal_page_last 68 _chemical_formula_moiety 'C3 H7 N1 O3' _chemical_formula_sum 'C3 H7 N1 O3' _chemical_formula_weight 105.09 _symmetry_cell_setting 'Orthorhombic' _symmetry_space_group_name_H-M 'P 21 21 21' _symmetry_space_group_name_Hall 'P 2ac 2ab' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x+1/2,-y+1/2,-z' '-x,y+1/2,-z+1/2' '-x+1/2,-y,z+1/2' _cell_length_a 8.3266(13) _cell_length_b 8.665(3) _cell_length_c 5.4851(8) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 395.75(15) _cell_formula_units_Z 4 _cell_measurement_temperature 293 _exptl_crystal_density_diffrn 1.764 _diffrn_ambient_temperature 293 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol C1 0.1074(11) 0.200(2) -0.1452(11) 0.0304(16) Uiso 1.0000 . . C N1 0.1962(10) 0.189(3) 0.2816(14) 0.0298(19) Uiso 1.0000 . . N O1 0.2270(9) 0.119(2) -0.1830(12) 0.0327(18) Uiso 1.0000 . . O C2 0.0726(9) 0.251(2) 0.1148(13) 0.0295(16) Uiso 1.0000 . . C O2 0.0149(8) 0.250(3) -0.3050(12) 0.0315(18) Uiso 1.0000 . . O C3 0.0678(9) 0.425(2) 0.1345(19) 0.0306(18) Uiso 1.0000 . . C O3 0.2211(8) 0.490(2) 0.0747(15) 0.034(2) Uiso 1.0000 . . O H7 0.278(8) 0.49(2) 0.210(9) 0.0410 Uiso 1.0000 . . H H1 -0.0340 0.2089 0.1647 0.0359 Uiso 1.0000 . . H H2 0.0387 0.4539 0.3051 0.0371 Uiso 1.0000 . . H H3 -0.0139 0.4657 0.0189 0.0371 Uiso 1.0000 . . H H6 0.1994 0.0856 0.2695 0.0359 Uiso 1.0000 . . H H4 0.2932 0.2281 0.2406 0.0359 Uiso 1.0000 . . H H5 0.1728 0.2162 0.4356 0.0359 Uiso 1.0000 . . H loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag C1 O1 . . 1.234(8) yes C1 C2 . . 1.522(7) yes C1 O2 . . 1.245(8) yes N1 C2 . . 1.479(8) yes N1 H6 . . 0.898 no N1 H4 . . 0.904 no N1 H5 . . 0.899 no C2 C3 . . 1.508(9) yes C2 H1 . . 0.999 no C3 O3 . . 1.434(8) yes C3 H2 . . 0.999 no C3 H3 . . 0.996 no O3 H7 . . 0.881(9) no