#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2012001.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_2012001 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2001 _journal_volume 57 _journal_page_first 614 _journal_page_last 615 _publ_section_title ; DL-Alanine ; loop_ _publ_author_name 'Subha Nandhini, M.' 'Krishnakumar, R.V.' 'Natarajan, S.' _chemical_name_common 'DL-alanine' _chemical_formula_moiety 'C3 H7 N O2' _chemical_formula_sum 'C3 H7 N O2' _chemical_formula_weight 89.10 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P n a 21' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z+1/2' '-x+1/2, y+1/2, z+1/2' 'x+1/2, -y+1/2, z' _cell_length_a 12.0263(17) _cell_length_b 6.0321(9) _cell_length_c 5.829(2) _cell_angle_alpha 90.00(12) _cell_angle_beta 90.00(3) _cell_angle_gamma 90.00(3) _cell_volume 422.88(19) _cell_formula_units_Z 4 _cell_measurement_temperature 293(2) _exptl_crystal_density_diffrn 1.399 _exptl_crystal_density_meas 1.39 _diffrn_ambient_temperature 293(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 .58960(11) .4862(2) .6045(3) .0356(4) Uani d . 1 . . O O2 .68614(12) .2009(2) .7409(3) .0328(4) Uani d . 1 . . O C2 .66363(15) .2231(3) .3380(3) .0224(4) Uani d . 1 . . C H2 .7419 .1804 .3237 .027 Uiso calc R 1 . . H C1 .64429(13) .3133(3) .5818(3) .0222(4) Uani d . 1 . . C C3 .59233(16) .0216(3) .2916(4) .0347(5) Uani d . 1 . . C H3A .6060 -.0308 .1387 .052 Uiso calc R 1 . . H H3B .5153 .0605 .3069 .052 Uiso calc R 1 . . H H3C .6104 -.0930 .3997 .052 Uiso calc R 1 . . H N1 .63948(12) .3976(2) .1659(3) .0258(4) Uani d . 1 . . N H1A .6815 .5160 .1942 .039 Uiso calc R 1 . . H H1B .5680 .4351 .1741 .039 Uiso calc R 1 . . H H1C .6544 .3463 .0261 .039 Uiso calc R 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 .0407(7) .0418(7) .0242(9) .0146(5) .0024(7) -.0047(6) O2 .0415(7) .0416(8) .0152(7) .0080(6) -.0017(6) .0006(6) C2 .0256(7) .0287(9) .0130(9) .0029(7) .0010(7) -.0009(8) C1 .0210(8) .0319(8) .0136(9) -.0013(6) .0004(6) -.0026(8) C3 .0457(11) .0340(9) .0245(13) -.0057(8) -.0022(9) -.0036(9) N1 .0300(7) .0326(8) .0148(8) .0002(6) .0003(6) .0002(6) 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 . 1.240(2) ? O2 C1 . 1.254(3) ? C2 N1 . 1.483(3) ? C2 C3 . 1.512(3) ? C2 C1 . 1.540(3) ? C2 H2 . .9800 ? C3 H3A . .9600 ? C3 H3B . .9600 ? C3 H3C . .9600 ? N1 H1A . .8900 ? N1 H1B . .8900 ? N1 H1C . .8900 ?