#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/31/2003186.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_2003186 loop_ _publ_author_name 'Raffaella Puliti' 'Carlo Andrea Mattia' _publ_section_title ; N-Acetylglycyl-L-alaninamide and N-Acetyl-L-alanyl-L-alaninamide ; _journal_coeditor_code AS1117 _journal_issue 2 _journal_name_full 'Acta Crystallographica C' _journal_page_first 336 _journal_page_last 339 _journal_paper_doi 10.1107/S0108270194008577 _journal_volume 51 _journal_year 1995 _chemical_formula_moiety 'C7 H13 N3 O3' _chemical_formula_sum 'C7 H13 N3 O3' _chemical_formula_weight 187.20 _space_group_IT_number 4 _symmetry_space_group_name_Hall 'P 2yb' _symmetry_space_group_name_H-M 'P 1 21 1' _atom_type_scat_source IntTabIV _cell_angle_alpha 90. _cell_angle_beta 96.12(2) _cell_angle_gamma 90. _cell_formula_units_Z 2 _cell_length_a 8.189(3) _cell_length_b 5.047(1) _cell_length_c 11.305(5) _cell_measurement_reflns_used 24 _cell_measurement_temperature 293 _cell_measurement_theta_max 25 _cell_measurement_theta_min 22 _cell_volume 464.6(5) _diffrn_radiation_type CuK\a _diffrn_radiation_wavelength 1.54056 _exptl_absorpt_coefficient_mu 0.850 _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.338 _exptl_crystal_density_meas ? _exptl_crystal_description 'flattened prism' _exptl_crystal_size_max 0.45 _exptl_crystal_size_mid 0.18 _exptl_crystal_size_min 0.06 _exptl_crystal_size_rad ? _refine_diff_density_max 0.18 _refine_diff_density_min -0.16 _refine_ls_extinction_coef 8.4E-6(6) _refine_ls_extinction_method 'Stout & Jensen (1968)' _refine_ls_shift/esd_max 0.03 _cod_database_code 2003186 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y+1/2,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_B_iso_or_equiv O1 .3673(2) .500 .1356(1) 3.14(3) O2 .3386(2) .2696(3) .4089(1) 3.87(3) O3 .1341(2) .5044(5) -.1293(1) 4.36(3) N1 .3253(2) .2026(4) -.0737(1) 2.67(3) N2 .1345(2) .3366(4) .1948(1) 2.38(3) N3 .3450(2) .7113(4) .4322(2) 3.10(3) C1 .2417(2) .1273(4) .0274(2) 2.60(4) C2 .2535(2) .3410(4) .1225(2) 2.26(3) C3 .1328(2) .5251(4) .2911(2) 2.33(3) C4 .2842(2) .4910(5) .3814(2) 2.42(3) C5 .2633(2) .3959(5) -.1458(2) 2.80(4) C6 .3601(3) .4697(6) -.2465(2) 3.92(5) C7 -.0208(3) .4800(7) .3529(2) 3.83(5) H1 .433(3) .129(6) -.082(2) 2.67 H2 .038(3) .245(7) .176(2) 2.38 H3 .305(3) .869(7) .405(2) 3.10 H4 .437(3) .716(7) .488(2) 3.10 H5 .295(3) -.020(7) .063(2) 2.60 H6 .115(3) .099(6) -.003(2) 2.60 H7 .135(3) .696(6) .262(2) 2.33 H8 .285(3) .451(7) -.322(2) 3.92 H9 .446(3) .345(7) -.259(2) 3.92 H10 .404(3) .636(7) -.233(3) 3.92 H11 -.124(3) .488(8) .296(2) 3.83 H12 -.042(3) .602(7) .412(3) 3.83 H13 -.013(3) .298(8) .393(2) 3.83