#------------------------------------------------------------------------------ #$Date: 2013-08-29 16:37:19 +0100 (Thu, 29 Aug 2013) $ #$Revision: 88064 $ #$URL: svn://www.crystallography.net/cod/cif/2/20/23/2202363.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2202363 loop_ _publ_author_name 'Kennedy, Alan R.' 'Khalaf, Abedawn I. ' 'Suckling, Colin J. ' 'Waigh, Roger D. ' _publ_section_title ; Ethyl 5-oxo-2,5-dihydro-4-isoxazolecarboxylate hydroxylamine salt ; _journal_issue 9 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first o1410 _journal_page_last o1412 _journal_volume 59 _journal_year 2003 _chemical_formula_iupac 'N H4 O 1+, C6 H6 N O4 1-' _chemical_formula_moiety 'N H4 O 1+, C6 H6 N O4 1-' _chemical_formula_sum 'C6 H10 N2 O5' _chemical_formula_weight 190.16 _chemical_name_systematic ; ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _atom_sites_solution_hydrogens difmap _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 97.212(2) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 4.6788(2) _cell_length_b 13.3277(6) _cell_length_c 13.5380(7) _cell_measurement_reflns_used 1706 _cell_measurement_temperature 150(2) _cell_measurement_theta_max 27.48 _cell_measurement_theta_min 1.00 _cell_volume 837.52(7) _computing_cell_refinement 'DENZO and COLLECT' _computing_data_collection ; DENZO and COLLECT (Otwinowski & Minor, 1997; Nonius, 1988) ; _computing_data_reduction 'DENZO and COLLECT' _computing_molecular_graphics 'ORTEPII (Johnson, 1976)' _computing_publication_material SHELXL97 _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 150(2) _diffrn_measured_fraction_theta_full 0.996 _diffrn_measured_fraction_theta_max 0.996 _diffrn_measurement_device_type 'Nonius KappaCCD' _diffrn_measurement_method '\f and \w' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.027 _diffrn_reflns_av_sigmaI/netI 0.0342 _diffrn_reflns_limit_h_max 6 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 16 _diffrn_reflns_limit_k_min -17 _diffrn_reflns_limit_l_max 17 _diffrn_reflns_limit_l_min -17 _diffrn_reflns_number 5375 _diffrn_reflns_theta_full 27.44 _diffrn_reflns_theta_max 27.44 _diffrn_reflns_theta_min 3.03 _diffrn_standards_decay_% 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.132 _exptl_absorpt_correction_type none _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.508 _exptl_crystal_density_method 'not measured' _exptl_crystal_description needle _exptl_crystal_F_000 400 _exptl_crystal_size_max 0.55 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.10 _refine_diff_density_max 0.257 _refine_diff_density_min -0.211 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.048 _refine_ls_hydrogen_treatment refall _refine_ls_matrix_type full _refine_ls_number_parameters 158 _refine_ls_number_reflns 1894 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.048 _refine_ls_R_factor_all 0.0525 _refine_ls_R_factor_gt 0.0378 _refine_ls_shift/su_max <0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = 1/[\s^2^(Fo^2^)+(0.0278P)^2^+0.4766P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0805 _refine_ls_wR_factor_ref 0.0878 _reflns_number_gt 1536 _reflns_number_total 1894 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file bt6333.cif _[local]_cod_data_source_block I _[local]_cod_cif_authors_sg_H-M 'P 21/c' _cod_database_code 2202363 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-1/2' 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_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol O1 1.1691(2) 0.08463(8) 0.39923(8) 0.0220(3) Uani d . 1 . . O O2 1.1901(2) 0.20808(8) 0.28669(8) 0.0214(2) Uani d . 1 . . O O3 0.7211(2) 0.15399(8) 0.53349(8) 0.0220(3) Uani d . 1 . . O O4 0.5776(2) 0.31279(8) 0.49485(8) 0.0217(2) Uani d . 1 . . O O5 0.4513(2) 0.49643(9) 0.19875(8) 0.0258(3) Uani d . 1 . . O N1 1.0604(3) 0.30382(10) 0.26271(10) 0.0238(3) Uani d . 1 . . N N2 0.2721(3) 0.44131(10) 0.12622(10) 0.0194(3) Uani d . 1 . . N C1 1.0782(3) 0.16876(11) 0.36709(10) 0.0171(3) Uani d . 1 . . C C2 0.8833(3) 0.31791(11) 0.32830(11) 0.0207(3) Uani d . 1 . . C C3 0.8807(3) 0.23770(11) 0.39600(11) 0.0171(3) Uani d . 1 . . C C4 0.7226(3) 0.22838(11) 0.48015(11) 0.0173(3) Uani d . 1 . . C C5 0.4258(3) 0.31709(12) 0.58205(11) 0.0221(3) Uani d . 1 . . C C6 0.2835(4) 0.41826(13) 0.58026(13) 0.0274(4) Uani d . 1 . . C H1 0.772(4) 0.3790(14) 0.3243(13) 0.027(5) Uiso d . 1 . . H H2 0.566(4) 0.3078(13) 0.6433(14) 0.029(5) Uiso d . 1 . . H H3 0.281(4) 0.2628(13) 0.5771(12) 0.020(4) Uiso d . 1 . . H H4 0.429(4) 0.4703(15) 0.5854(15) 0.037(5) Uiso d . 1 . . H H5 0.161(4) 0.4263(14) 0.5173(15) 0.032(5) Uiso d . 1 . . H H6 0.170(4) 0.4232(14) 0.6349(15) 0.037(5) Uiso d . 1 . . H H7 0.576(6) 0.535(2) 0.160(2) 0.072(8) Uiso d . 1 . . H H8 0.184(4) 0.3891(15) 0.1635(15) 0.035(5) Uiso d . 1 . . H H9 0.127(4) 0.4846(15) 0.0969(15) 0.036(5) Uiso d . 1 . . H H10 0.378(4) 0.4133(15) 0.0790(15) 0.038(5) Uiso d . 1 . . 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 0.0217(5) 0.0178(5) 0.0270(6) 0.0036(4) 0.0051(4) 0.0023(4) O2 0.0242(5) 0.0200(5) 0.0214(5) 0.0023(4) 0.0088(4) 0.0011(4) O3 0.0211(5) 0.0211(5) 0.0249(6) 0.0020(4) 0.0074(4) 0.0068(5) O4 0.0263(6) 0.0200(5) 0.0209(5) 0.0053(4) 0.0111(4) 0.0037(4) O5 0.0276(6) 0.0281(6) 0.0211(6) -0.0095(5) 0.0011(4) -0.0022(5) N1 0.0293(7) 0.0196(7) 0.0235(7) 0.0030(5) 0.0077(5) 0.0044(5) N2 0.0212(6) 0.0179(6) 0.0196(6) -0.0030(5) 0.0044(5) -0.0031(5) C1 0.0159(7) 0.0177(7) 0.0177(7) -0.0037(5) 0.0020(5) -0.0006(6) C2 0.0236(8) 0.0176(7) 0.0215(8) 0.0012(6) 0.0057(6) 0.0015(6) C3 0.0167(7) 0.0162(7) 0.0187(7) 0.0000(5) 0.0035(5) 0.0008(6) C4 0.0134(6) 0.0185(7) 0.0198(7) -0.0003(5) 0.0016(5) 0.0001(6) C5 0.0238(8) 0.0245(8) 0.0196(8) 0.0035(6) 0.0093(6) 0.0019(6) C6 0.0350(9) 0.0242(9) 0.0250(9) 0.0051(7) 0.0118(7) 0.0006(7) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag O1 C1 . 1.2574(17) y O2 C1 . 1.3698(17) y O2 N1 . 1.4326(16) y O3 C4 . 1.2270(18) y O4 C4 . 1.3414(17) y O4 C5 . 1.4533(17) y O5 N2 . 1.4143(16) y O5 H7 . 0.98(3) ? N1 C2 . 1.3022(19) y N2 H8 . 0.98(2) ? N2 H9 . 0.94(2) ? N2 H10 . 0.93(2) ? C1 C3 . 1.394(2) y C2 C3 . 1.409(2) y C2 H1 . 0.965(19) ? C3 C4 . 1.4395(19) y C5 C6 . 1.503(2) ? C5 H2 . 0.999(19) ? C5 H3 . 0.988(17) ? C6 H4 . 0.97(2) ? C6 H5 . 0.97(2) ? C6 H6 . 0.97(2) ? loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_publ_flag C1 O2 N1 109.12(10) y C4 O4 C5 117.48(11) ? N2 O5 H7 104.0(15) ? C2 N1 O2 105.17(12) y O5 N2 H8 105.2(11) ? O5 N2 H9 107.9(12) ? H8 N2 H9 109.1(16) ? O5 N2 H10 111.2(12) ? H8 N2 H10 111.2(17) ? H9 N2 H10 111.9(17) ? O1 C1 O2 118.01(13) y O1 C1 C3 134.28(14) y O2 C1 C3 107.70(12) y N1 C2 C3 113.09(14) y N1 C2 H1 118.0(11) ? C3 C2 H1 128.9(11) ? C1 C3 C2 104.92(13) y C1 C3 C4 126.16(13) ? C2 C3 C4 128.86(13) ? O3 C4 O4 123.37(13) ? O3 C4 C3 125.23(13) ? O4 C4 C3 111.39(12) ? O4 C5 C6 106.44(12) ? O4 C5 H2 109.3(11) ? C6 C5 H2 111.6(11) ? O4 C5 H3 108.5(10) ? C6 C5 H3 111.0(9) ? H2 C5 H3 109.8(14) ? C5 C6 H4 109.6(12) ? C5 C6 H5 109.0(11) ? H4 C6 H5 108.5(16) ? C5 C6 H6 109.5(12) ? H4 C6 H6 110.3(16) ? H5 C6 H6 109.9(16) ? loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA O5 H7 O1 2_755 0.98(3) 1.66(3) 2.6244(15) 170(2) O5 H7 O2 2_755 0.98(3) 2.62(3) 3.2753(15) 124.8(19) N2 H8 N1 1_455 0.98(2) 1.90(2) 2.8657(19) 166.2(17) N2 H9 O1 2_655 0.94(2) 1.93(2) 2.8019(17) 153.6(17) N2 H10 O3 4_565 0.93(2) 2.00(2) 2.8750(17) 154.8(17) N2 H10 O1 4_465 0.93(2) 2.51(2) 3.0696(17) 118.9(15) loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion C1 O2 N1 C2 0.52(15) N1 O2 C1 O1 -179.54(12) N1 O2 C1 C3 -0.52(15) O2 N1 C2 C3 -0.32(17) O1 C1 C3 C2 179.11(16) O2 C1 C3 C2 0.32(15) O1 C1 C3 C4 1.7(3) O2 C1 C3 C4 -177.07(13) N1 C2 C3 C1 0.01(17) N1 C2 C3 C4 177.30(14) C5 O4 C4 O3 3.7(2) C5 O4 C4 C3 -175.35(13) C1 C3 C4 O3 -6.7(2) C2 C3 C4 O3 176.55(15) C1 C3 C4 O4 172.29(13) C2 C3 C4 O4 -4.5(2) C4 O4 C5 C6 -179.87(13) _cod_database_fobs_code 2202363