#------------------------------------------------------------------------------ #$Date: 2015-04-02 12:22:18 +0100 (Thu, 02 Apr 2015) $ #$Revision: 134621 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/70/2007021.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_2007021 loop_ _publ_author_name 'Irles, Nuria' 'Subirana, J.Antoni' 'Solans, Xavier' _publ_section_title ; 5,5-Dihydroxyethylbarbituric Acid ; _journal_issue 2 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 249 _journal_page_last 250 _journal_paper_doi 10.1107/S0108270197013899 _journal_volume 54 _journal_year 1998 _chemical_formula_analytical 'C8 H12 N2 O5' _chemical_formula_moiety 'C8 H12 N2 O5' _chemical_formula_structural 'C8 H12 N2 O5' _chemical_formula_sum 'C8 H12 N2 O5' _chemical_formula_weight 216.20 _chemical_name_systematic ; 5,5-dihydroxiethyl-barbituric acid ; _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' _cell_angle_alpha 90.00 _cell_angle_beta 108.83(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 8 _cell_length_a 12.117(2) _cell_length_b 12.324(2) _cell_length_c 13.508(3) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 21 _cell_measurement_theta_min 12 _cell_volume 1909.2(7) _computing_cell_refinement 'CAD4 Software' _computing_data_collection 'CAD4 Software (Kretschmar, 1996)' _computing_data_reduction 'CFEO (Solans, 1978)' _computing_molecular_graphics 'ORTEP (Brueggermann & Schmid, 1990)' _computing_publication_material 'PLATON (Spek, 1990)' _computing_structure_refinement 'SHELXL93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXS86 (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_measurement_device_type 'Enraf-Nonius CAD4' _diffrn_measurement_method \w--2\q _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71069 _diffrn_reflns_av_R_equivalents 0.038 _diffrn_reflns_av_sigmaI/netI 0.037 _diffrn_reflns_limit_h_max 16 _diffrn_reflns_limit_h_min -17 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 18 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 5515 _diffrn_reflns_theta_max 29.97 _diffrn_reflns_theta_min 1.78 _diffrn_standards_decay_% 0 _diffrn_standards_interval_time '120 min.' _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.126 _exptl_absorpt_correction_type none _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.504 _exptl_crystal_density_meas ? _exptl_crystal_description prism _exptl_crystal_F_000 912 _exptl_crystal_size_max 0.3 _exptl_crystal_size_mid 0.2 _exptl_crystal_size_min 0.2 _refine_diff_density_max 0.533 _refine_diff_density_min -0.553 _refine_ls_extinction_coef 0.002(2) _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_all 0.984 _refine_ls_goodness_of_fit_obs 1.032 _refine_ls_matrix_type full _refine_ls_number_parameters 296 _refine_ls_number_reflns 5464 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.174 _refine_ls_restrained_S_obs 1.032 _refine_ls_R_factor_all 0.1201 _refine_ls_R_factor_obs .0683 _refine_ls_shift/esd_max 0.004 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(Fo^2^)+(0.1817P)^2^] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.2904 _refine_ls_wR_factor_obs .1951 _reflns_number_observed 2675 _reflns_number_total 5464 _reflns_observed_criterion I>2\s(I) _[local]_cod_data_source_file ln1024.cif _[local]_cod_data_source_block coll22 _[local]_cod_cif_authors_sg_H-M 'P 21/c' _cod_depositor_comments ; The following automatic conversions were performed: '_exptl_crystal_density_meas' value 'none' was changed to '?' - the value is perceived as not measured. Automatic conversion script Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w = 1/[\s^2^(Fo^2^)+(0.1817P)^2^] where P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w = 1/[\s^2^(Fo^2^)+(0.1817P)^2^] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_cell_volume 1909.2(6) _cod_database_code 2007021 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_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 O1A .0483(9) .0409(9) .0336(7) -.0022(7) .0272(7) -.0109(6) O2A .0404(9) .0453(9) .0414(8) -.0142(7) .0291(7) -.0069(7) O3A .0344(8) .0382(8) .0336(7) -.0080(6) .0272(6) -.0124(6) O4A .0475(10) .0698(14) .0454(10) .0184(9) .0123(8) -.0110(9) O5A .0565(11) .0320(8) .0433(9) .0027(7) .0222(8) .0016(7) N1A .0378(9) .0390(10) .0306(8) -.0058(7) .0290(7) -.0066(7) N2A .0293(8) .0336(9) .0251(7) -.0072(7) .0195(7) -.0091(6) C1A .0246(9) .0314(9) .0230(8) .0027(7) .0141(7) -.0017(7) C2A .0253(9) .0292(9) .0225(8) .0008(7) .0142(7) .0002(7) C3A .0242(8) .0302(9) .0232(8) .0019(7) .0164(7) -.0012(7) C4A .0252(8) .0288(9) .0203(8) .0006(7) .0148(7) -.0035(6) C5A .0349(10) .0303(10) .0326(10) .0027(8) .0182(8) .0066(8) C6A .064(2) .0499(14) .0250(10) .0203(12) .0175(10) .0055(9) C7A .0293(10) .0300(10) .0300(9) -.0005(8) .0120(8) -.0019(8) C8A .0432(13) .0452(13) .0286(10) .0058(10) .0092(9) .0023(9) O1B .0547(10) .0525(10) .0360(8) .0080(8) .0332(8) .0162(7) O2B .0379(8) .0370(8) .0400(8) .0083(6) .0246(7) .0021(6) O3B .0366(8) .0448(9) .0369(8) .0090(6) .0295(7) .0152(6) O4B .0494(11) .0790(15) .0449(9) -.0191(10) .0203(8) .0018(9) O5B .0525(11) .0415(9) .0629(12) -.0083(8) .0313(9) -.0134(8) N1B .0345(9) .0414(10) .0274(8) .0062(7) .0249(7) .0046(7) N2B .0318(9) .0326(9) .0267(8) .0066(7) .0208(7) .0099(6) C1B .0287(9) .0366(10) .0222(8) -.0019(8) .0162(7) .0031(7) C2B .0252(9) .0288(9) .0270(9) .0011(7) .0158(7) -.0019(7) C3B .0249(9) .0310(9) .0243(8) -.0002(7) .0171(7) .0050(7) C4B .0285(9) .0263(8) .0218(8) .0008(7) .0168(7) .0046(6) C5B .0491(13) .0336(11) .0302(10) -.0062(9) .0211(9) -.0039(8) C6B .063(2) .057(2) .0322(11) -.0194(13) .0249(11) -.0076(11) C7B .0291(10) .0318(10) .0302(9) .0019(8) .0104(8) .0065(8) C8B .0450(13) .0495(14) .0332(11) -.0038(11) .0098(10) -.0019(10) 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_refinement_flags _atom_site_occupancy _atom_site_disorder_group _atom_site_type_symbol O1A .55672(14) .22839(13) .68239(11) .0376(4) Uani d . 1 . O O2A .71917(14) .52938(14) .85908(12) .0386(4) Uani d . 1 . O O3A .41008(13) .39333(12) .93254(11) .0315(4) Uani d . 1 . O O4A .6732(2) .1729(2) .92704(14) .0549(5) Uani d . 1 . O O5A .3394(2) .49433(14) .70816(14) .0425(4) Uani d . 1 . O N1A .6284(2) .38389(15) .76454(13) .0315(4) Uani d . 1 . N HN1A .6698(2) .39121(15) .72384(13) .063(2) Uiso calc R 1 . H N2A .56789(14) .45559(14) .89811(12) .0268(4) Uani d . 1 . N C1A .5539(2) .2966(2) .74574(14) .0248(4) Uani d . 1 . C C2A .6437(2) .4606(2) .84139(14) .0241(4) Uani d . 1 . C C3A .4757(2) .3851(2) .88107(14) .0238(4) Uani d . 1 . C C4A .4623(2) .29509(15) .80115(13) .0230(4) Uani d . 1 . C C5A .4666(2) .1852(2) .8583(2) .0309(4) Uani d . 1 . C H5A .3966(2) .1788(2) .8779(2) .063(2) Uiso calc R 1 . H H5A' .4650(2) .1271(2) .8094(2) .063(2) Uiso calc R 1 . H C6A .5708(2) .1685(2) .9549(2) .0455(6) Uani d . 1 . C H6A .5729(2) .2245(2) 1.0059(2) .063(2) Uiso calc R 1 . H H6A' .5653(2) .0986(2) .9859(2) .063(2) Uiso calc R 1 . H C7A .3411(2) .3023(2) .7157(2) .0292(4) Uani d . 1 . C C8A .3235(2) .4011(2) .6455(2) .0395(5) Uani d . 1 . C H8A .3792(2) .4004(2) .6075(2) .063(2) Uiso calc R 1 . H H8A' .2456(2) .4005(2) .5950(2) .063(2) Uiso calc R 1 . H O1B .0591(2) .2452(2) .67122(12) .0433(4) Uani d . 1 . O O2B .21929(14) -.04677(13) .86470(12) .0354(4) Uani d . 1 . O O3B -.08750(13) .10525(13) .93045(12) .0351(4) Uani d . 1 . O O4B .2016(2) .2707(2) .92661(14) .0565(6) Uani d . 1 . O HO4B .2126(2) .3098(2) .88164(14) .063(2) Uiso calc R 1 . H O5B -.1621(2) .0007(2) .6956(2) .0492(5) Uani d . 1 . O HO5B -.2020(2) -.0042(2) .7342(2) .063(2) Uiso calc R 1 . H N1B .1282(2) .09240(15) .75974(13) .0309(4) Uani d . 1 . N HN1B .1663(2) .07880(15) .71741(13) .063(2) Uiso calc R 1 . H N2B .06723(15) .03416(14) .89765(12) .0277(4) Uani d . 1 . N C1B .0566(2) .1821(2) .73859(14) .0272(4) Uani d . 1 . C C2B .1439(2) .0230(2) .84219(14) .0252(4) Uani d . 1 . C C3B -.0212(2) .1074(2) .87906(14) .0245(4) Uani d . 1 . C C4B -.0300(2) .19472(15) .79789(13) .0234(4) Uani d . 1 . C C5B -.0069(2) .3061(2) .8559(2) .0356(5) Uani d . 1 . C H5B -.0003(2) .3617(2) .8073(2) .063(2) Uiso calc R 1 . H H5B' -.0733(2) .3241(2) .8779(2) .063(2) Uiso calc R 1 . H C6B .1022(3) .3077(3) .9506(2) .0484(7) Uani d . 1 . C C7B -.1544(2) .1960(2) .71821(15) .0301(4) Uani d . 1 . C H7B -.2098(2) .1974(2) .75639(15) .063(2) Uiso calc R 1 . H H7B' -.1644(2) .2626(2) .67798(15) .063(2) Uiso calc R 1 . H C8B -.1837(2) .1013(2) .6430(2) .0432(6) Uani d . 1 . C H8B -.2653(2) .1054(2) .6008(2) .063(2) Uiso calc R 1 . H H8B' -.1375(2) .1062(2) .5964(2) .063(2) Uiso calc R 1 . H HO4A .714(3) .231(3) .983(2) .063(2) Uiso d . 1 . H HO5A .343(3) .577(3) .688(2) .063(2) Uiso d . 1 . H HN2A .561(3) .511(3) .940(3) .063(2) Uiso d . 1 . H H7A .332(3) .237(3) .677(2) .063(2) Uiso d . 1 . H H7A' .285(3) .296(3) .749(2) .063(2) Uiso d . 1 . H HN2B .071(3) -.017(3) .941(3) .063(2) Uiso d . 1 . H H6B .095(3) .248(3) 1.007(2) .063(2) Uiso d . 1 . H H6B' .105(3) .374(3) .972(2) .063(2) Uiso d . 1 . H loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source 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' N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 '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 C6A O4A HO4A 94.7(15) ? C8A O5A HO5A 129.9(17) ? C2A N1A C1A 126.83(15) yes C2A N1A HN1A 116.58(10) ? C1A N1A HN1A 116.58(9) ? C2A N2A C3A 126.0(2) yes C2A N2A HN2A 122.(2) ? C3A N2A HN2A 111.(2) ? O1A C1A N1A 120.6(2) yes O1A C1A C4A 122.0(2) yes N1A C1A C4A 117.20(15) yes O2A C2A N1A 122.7(2) yes O2A C2A N2A 121.2(2) yes N1A C2A N2A 116.1(2) yes O3A C3A N2A 119.8(2) yes O3A C3A C4A 121.8(2) yes N2A C3A C4A 118.35(14) yes C3A C4A C1A 114.3(2) yes C3A C4A C7A 110.21(15) ? C1A C4A C7A 107.36(14) ? C3A C4A C5A 107.75(14) ? C1A C4A C5A 109.98(15) ? C7A C4A C5A 107.0(2) ? C6A C5A C4A 115.7(2) ? C6A C5A H5A 108.36(12) ? C4A C5A H5A 108.36(10) ? C6A C5A H5A' 108.36(12) ? C4A C5A H5A' 108.36(10) ? H5A C5A H5A' 107.4 ? O4A C6A C5A 109.2(2) ? O4A C6A H6A 109.85(14) ? C5A C6A H6A 109.85(12) ? O4A C6A H6A' 109.85(13) ? C5A C6A H6A' 109.85(13) ? H6A C6A H6A' 108.3 ? C8A C7A C4A 114.9(2) ? C8A C7A H7A 111.8(19) ? C4A C7A H7A 106.3(18) ? C8A C7A H7A' 113.1(19) ? C4A C7A H7A' 107.5(17) ? H7A C7A H7A' 102.(3) ? O5A C8A C7A 108.4(2) ? O5A C8A H8A 110.02(13) ? C7A C8A H8A 110.02(12) ? O5A C8A H8A' 110.02(12) ? C7A C8A H8A' 110.02(12) ? H8A C8A H8A' 108.4 ? C6B O4B HO4B 109.47(15) ? C8B O5B HO5B 109.47(13) ? C2B N1B C1B 125.73(15) yes C2B N1B HN1B 117.14(10) ? C1B N1B HN1B 117.14(9) ? C3B N2B C2B 126.6(2) yes C3B N2B HN2B 119.(2) ? C2B N2B HN2B 114.(2) ? O1B C1B N1B 120.5(2) yes O1B C1B C4B 121.4(2) yes N1B C1B C4B 117.92(15) yes O2B C2B N1B 122.7(2) yes O2B C2B N2B 121.2(2) yes N1B C2B N2B 116.1(2) yes O3B C3B N2B 120.3(2) yes O3B C3B C4B 121.4(2) yes N2B C3B C4B 118.15(14) yes C3B C4B C1B 114.2(2) yes C3B C4B C7B 109.68(15) ? C1B C4B C7B 108.57(15) ? C3B C4B C5B 107.60(14) ? C1B C4B C5B 108.2(2) ? C7B C4B C5B 108.5(2) ? C6B C5B C4B 113.7(2) ? C6B C5B H5B 108.81(13) ? C4B C5B H5B 108.81(9) ? C6B C5B H5B' 108.81(13) ? C4B C5B H5B' 108.81(11) ? H5B C5B H5B' 107.7 ? O4B C6B C5B 112.1(2) ? O4B C6B H6B 102.3(16) ? C5B C6B H6B 109.9(16) ? O4B C6B H6B' 116.(2) ? C5B C6B H6B' 103.(2) ? H6B C6B H6B' 114.(3) ? C8B C7B C4B 115.1(2) ? C8B C7B H7B 108.49(13) ? C4B C7B H7B 108.49(10) ? C8B C7B H7B' 108.49(12) ? C4B C7B H7B' 108.49(10) ? H7B C7B H7B' 107.5 ? O5B C8B C7B 112.0(2) ? O5B C8B H8B 109.20(13) ? C7B C8B H8B 109.20(12) ? O5B C8B H8B' 109.20(13) ? C7B C8B H8B' 109.20(12) ? H8B C8B H8B' 107.9 ? 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 O1A C1A . 1.208(2) ? O2A C2A . 1.213(2) ? O3A C3A . 1.217(2) ? O4A C6A . 1.408(3) ? O4A HO4A . 1.05(4) ? O5A C8A . 1.404(3) ? O5A HO5A . 1.06(4) ? N1A C2A . 1.372(2) yes N1A C1A . 1.374(3) yes N1A HN1A . .86 ? N2A C2A . 1.374(2) yes N2A C3A . 1.375(2) yes N2A HN2A . .90(4) ? C1A C4A . 1.527(2) yes C3A C4A . 1.519(2) yes C4A C7A . 1.549(3) ? C4A C5A . 1.552(3) ? C5A C6A . 1.509(3) ? C5A H5A . .97 ? C5A H5A' . .97 ? C6A H6A . .97 ? C6A H6A' . .97 ? C7A C8A . 1.515(3) ? C7A H7A . .95(3) ? C7A H7A' . .93(3) ? C8A H8A . .97 ? C8A H8A' . .97 ? O1B C1B . 1.205(2) ? O2B C2B . 1.220(2) ? O3B C3B . 1.220(2) ? O4B C6B . 1.419(4) ? O4B HO4B . .82 ? O5B C8B . 1.410(3) ? O5B HO5B . .82 ? N1B C2B . 1.368(2) yes N1B C1B . 1.377(3) yes N1B HN1B . .86 ? N2B C3B . 1.361(2) yes N2B C2B . 1.375(2) yes N2B HN2B . .86(4) ? C1B C4B . 1.520(2) yes C3B C4B . 1.516(2) yes C4B C7B . 1.544(3) ? C4B C5B . 1.560(3) ? C5B C6B . 1.514(4) ? C5B H5B . .97 ? C5B H5B' . .97 ? C6B H6B . 1.09(3) ? C6B H6B' . .87(3) ? C7B C8B . 1.512(3) ? C7B H7B . .97 ? C7B H7B' . .97 ? C8B H8B . .97 ? C8B H8B' . .97 ? 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 _geom_hbond_publ_flag N1A HN1A O2B 4_667 0.86 2.20 3.044(3) 165 yes N1B HN1B O2A 4_657 0.86 2.07 2.918(3) 168 yes N2A HN2A O3A 3_667 0.91(4) 2.02(4) 2.894(2) 161(3) yes N2B HN2B O3B 3_557 0.85(4) 2.00(4) 2.835(2) 165(4) yes O4B HO4B O3A 1_555 0.82 2.49 2.923(3) 114 yes O5A HO5A O4A 4_667 1.06(4) 1.91(3) 2.832(3) 143(2) yes O5B HO5B O5A 4_557 0.82 2.05 2.849(4) 163 yes