#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/2/2006579.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_2006579 _journal_name_full 'Acta Crystallographica' _journal_year 1997 _journal_volume C53 _journal_page_first 1502 _journal_page_last 1505 _publ_section_title ; (1R,2R)-4-Methylurazole-\a-D-pyranosyl-2-deoxyriboside from Reaction of 4- Methylurazole with 2-Deoxy-D-ribose ; loop_ _publ_author_name 'Meyers, Cal Y.' 'Hou, Yuqing' 'Kolb, Vera M.' 'Robinson, Paul D.' _chemical_formula_moiety 'C8 H13 N3 O5' _chemical_formula_sum 'C8 H13 N3 O5' _chemical_formula_weight 231.21 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 21' _symmetry_space_group_name_Hall 'P 2y1' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z' _cell_length_a 9.9110(15) _cell_length_b 5.404(2) _cell_length_c 10.0873(13) _cell_angle_alpha 90.00 _cell_angle_beta 106.347(10) _cell_angle_gamma 90.00 _cell_volume 518.4(2) _cell_formula_units_Z 2 _cell_measurement_temperature 296 _exptl_crystal_density_diffrn 1.481 _diffrn_ambient_temperature 296 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 N1 .7008(2) .7398(5) -.2121(2) .0333(5) Uani d . 1 . N N2 .5874(2) .9035(5) -.2194(2) .0351(5) Uani d . 1 . N C3 .5769(3) 1.0628(6) -.3255(3) .0336(5) Uani d . 1 . C N4 .6988(2) 1.0330(5) -.3653(2) .0328(5) Uani d . 1 . N C5 .7762(3) .8383(5) -.2976(3) .0312(5) Uani d . 1 . C O6 .8884(2) .7628(5) -.3074(2) .0438(5) Uani d . 1 . O O7 .4813(2) 1.2064(4) -.3745(2) .0453(5) Uani d . 1 . O C8 .7339(4) 1.1752(7) -.4735(3) .0489(8) Uani d . 1 . C C1' .7740(3) .6404(5) -.0790(3) .0303(5) Uani d . 1 . C C2' .6772(3) .4903(5) -.0173(3) .0324(5) Uani d . 1 . C C3' .7589(3) .3951(4) .1236(3) .0297(5) Uani d . 1 . C C4' .8264(3) .6115(5) .2148(3) .0336(6) Uani d . 1 . C C5' .9167(3) .7527(6) .1421(3) .0358(6) Uani d . 1 . C O6' .8367(2) .8414(4) .0093(2) .0331(4) Uani d . 1 . O O7' .6676(2) .2628(4) .1861(2) .0373(5) Uani d . 1 . O O8' .7241(3) .7789(4) .2366(2) .0446(5) Uani d . 1 . O H1' .8492(3) .5317(5) -.0902(3) .036 Uiso calc R 1 . H H2'a .5998(3) .5929(5) -.0088(3) .039 Uiso calc R 1 . H H2'b .6387(3) .3522(5) -.0775(3) .039 Uiso calc R 1 . H H3' .8330(3) .2832(4) .1130(3) .036 Uiso calc R 1 . H H4' .8848(3) .5498(5) .3038(3) .040 Uiso calc R 1 . H H5'a .9601(3) .8920(6) .1989(3) .043 Uiso calc R 1 . H H5'b .9912(3) .6455(6) .1308(3) .043 Uiso calc R 1 . H H8a .715(2) 1.3471(10) -.4632(16) .073 Uiso calc R 1 . H H8b .678(2) 1.118(3) -.5622(3) .073 Uiso calc R 1 . H H8c .8319(8) 1.154(4) -.4666(17) .073 Uiso calc R 1 . H H2 .516(3) .845(7) -.203(3) .041(9) Uiso d . 1 . H H7' .681(5) .135(10) .188(4) .061(14) Uiso d . 1 . H H8' .685(5) .704(11) .281(5) .080(15) 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 N1 .0341(10) .0341(12) .0344(10) .0041(10) .0139(8) .0050(10) N2 .0312(10) .0405(13) .0362(11) .0045(10) .0139(9) .0055(10) C3 .0354(12) .0345(14) .0306(11) -.0020(12) .0089(9) -.0024(11) N4 .0366(11) .0342(12) .0294(10) .0009(10) .0122(8) .0026(9) C5 .0363(12) .0313(13) .0266(10) -.0017(11) .0098(9) -.0011(10) O6 .0402(10) .0504(12) .0468(10) .0073(11) .0220(8) .0078(11) O7 .0433(10) .0484(13) .0451(10) .0120(10) .0136(8) .0105(10) C8 .062(2) .050(2) .0409(15) .004(2) .0247(14) .0149(15) C1' .0358(12) .0241(11) .0332(11) -.0002(10) .0134(10) .0035(10) C2' .0357(12) .0297(12) .0327(11) -.0082(11) .0113(9) -.0001(10) C3' .0350(12) .0187(10) .0403(12) .0041(10) .0187(10) .0051(10) C4' .0384(13) .0290(12) .0327(12) .0005(11) .0091(10) .0055(10) C5' .0337(12) .0334(13) .0383(12) -.0034(12) .0069(10) .0071(12) O6' .0361(9) .0268(9) .0365(9) -.0029(8) .0102(7) .0067(8) O7' .0435(11) .0241(9) .0529(12) .0051(9) .0279(9) .0109(9) O8' .0676(14) .0248(10) .0535(12) .0023(11) .0369(11) .0021(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 O6 C5 . 1.214(3) no O6' C1' . 1.431(3) no O6' C5' . 1.433(3) no O7 C3 . 1.216(4) no O7' C3' . 1.431(3) no O8' C4' . 1.422(4) no N1 C5 . 1.396(3) no N1 N2 . 1.416(3) no N1 C1' . 1.439(3) no N2 C3 . 1.355(3) no N4 C5 . 1.367(4) no N4 C3 . 1.386(3) no N4 C8 . 1.455(3) no C1' C2' . 1.517(3) no C2' C3' . 1.515(4) no C3' C4' . 1.521(4) no C4' C5' . 1.514(4) no O7' H7' . .70(5) no O8' H8' . .78(5) no N2 H2 . .83(3) no