#------------------------------------------------------------------------------ #$Date: 2015-04-02 12:22:18 +0100 (Thu, 02 Apr 2015) $ #$Revision: 134621 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/16/2101634.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_2101634 loop_ _publ_author_name 'G\"orbitz, C. H.' 'Backe, P. H.' _publ_section_title ; Structures of L-valyl-L-glutamine and L-glutamyl-L-valine ; _journal_issue 6 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 999 _journal_page_last 1006 _journal_paper_doi 10.1107/S0108768196006817 _journal_volume 52 _journal_year 1996 _chemical_formula_sum 'C10 H19 N3 O4' _chemical_formula_weight 245.28 _chemical_name_systematic ; L-valyl-L-glutamine ; _space_group_IT_number 18 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'P 2 2ab' _symmetry_space_group_name_H-M 'P 21 21 2' _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 16.419(3) _cell_length_b 15.309(3) _cell_length_c 4.7080(10) _cell_measurement_reflns_used 25 _cell_measurement_temperature 120(2) _cell_measurement_theta_max 17.5 _cell_measurement_theta_min 12.5 _cell_volume 1183.4(4) _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_structure_solution 'MITHRIL (Gilmore, 1984)' _diffrn_ambient_temperature 120(2) _diffrn_measurement_device 'Nicolet P3' _diffrn_measurement_method 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 0.0000 _diffrn_reflns_av_sigmaI/netI 0.0725 _diffrn_reflns_limit_h_max 23 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 21 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 6 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 2044 _diffrn_reflns_theta_max 30.05 _diffrn_reflns_theta_min 2.48 _diffrn_standards_decay_% <2.0 _diffrn_standards_interval_count 96 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.107 _exptl_absorpt_correction_type none _exptl_crystal_colour Colourless _exptl_crystal_density_diffrn 1.377 _exptl_crystal_density_meas ? _exptl_crystal_description Block _exptl_crystal_F_000 528 _exptl_crystal_size_max 0.50 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.10 _refine_diff_density_max 0.314 _refine_diff_density_min -0.280 _refine_ls_abs_structure_details 'Flack (1983)' _refine_ls_abs_structure_Flack -2.(2) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_all 1.004 _refine_ls_goodness_of_fit_obs 1.091 _refine_ls_hydrogen_treatment ;H atoms bonded to N and O refined, others placed geometrically and refined using a riding model. U~iso~ refined for H atoms of the amino group and two methyl groups; U~iso~ = 1.2U~eq~ of bonded atom for others ; _refine_ls_matrix_type full _refine_ls_number_parameters 184 _refine_ls_number_reflns 2044 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.004 _refine_ls_restrained_S_obs 1.091 _refine_ls_R_factor_all 0.0858 _refine_ls_R_factor_obs 0.0502 _refine_ls_shift/esd_max -0.016 _refine_ls_shift/esd_mean 0.001 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(Fo^2^)+(0.0432P)^2^] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.0999 _refine_ls_wR_factor_obs 0.0906 _reflns_number_observed 1475 _reflns_number_total 2044 _reflns_observed_criterion >2sigma(I) _[local]_cod_data_source_file ha0146.cif _[local]_cod_data_source_block vg _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w = 1/[\s^2^(Fo^2^)+(0.0432P)^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^)+(0.0432P)^2^] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_database_code 2101634 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z' 'x+1/2, -y+1/2, -z' '-x+1/2, y+1/2, -z' 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 0.0196(9) 0.0145(8) 0.0142(10) -0.0004(8) -0.0025(9) 0.0011(9) O2 0.0132(8) 0.0188(9) 0.0152(10) 0.0022(7) 0.0033(9) 0.0039(9) O3 0.0181(9) 0.0098(9) 0.0198(10) 0.0022(7) 0.0000(9) 0.0009(9) O4 0.0139(9) 0.0250(10) 0.0151(10) -0.0042(8) -0.0002(9) -0.0010(10) N1 0.0145(10) 0.0094(10) 0.0159(12) -0.0016(8) 0.0006(11) -0.0028(11) N2 0.0141(10) 0.0105(10) 0.0130(11) -0.0016(8) -0.0035(10) 0.0007(10) N3 0.0168(11) 0.0175(11) 0.0167(12) -0.0057(9) -0.0004(11) 0.0011(12) C1 0.0148(11) 0.0076(10) 0.0114(12) 0.0004(10) -0.0008(11) 0.0016(12) C2 0.0115(11) 0.0115(11) 0.0143(14) 0.0012(9) 0.0009(12) -0.0033(11) C3 0.0098(11) 0.0113(11) 0.0160(13) -0.0015(10) -0.0020(10) 0.0000(12) C4 0.0107(11) 0.0142(11) 0.0110(12) -0.0004(10) -0.0058(11) -0.0027(11) C5 0.0123(12) 0.0140(12) 0.0166(13) -0.0006(10) 0.0021(11) -0.0019(13) C6 0.0158(13) 0.0239(14) 0.030(2) -0.0020(11) 0.0006(15) -0.012(2) C7 0.0143(12) 0.0197(14) 0.028(2) 0.0022(11) 0.0023(14) -0.0060(14) C8 0.0130(11) 0.0119(11) 0.0152(14) 0.0001(9) 0.0031(11) -0.0019(12) C9 0.0117(11) 0.0205(13) 0.0139(12) -0.0033(10) -0.0004(12) -0.0002(13) C10 0.0106(12) 0.0170(13) 0.0151(14) 0.0023(10) -0.0019(11) 0.0047(12) 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_type_symbol O1 0.31741(11) 0.40999(11) 0.9818(4) 0.0161(4) Uani d . 1 O O2 0.26033(10) 0.62396(11) 1.2250(4) 0.0157(4) Uani d . 1 O O3 0.30745(11) 0.73079(11) 0.9517(5) 0.0159(4) Uani d . 1 O O4 0.57611(11) 0.72086(13) 0.5408(5) 0.0180(4) Uani d . 1 O N1 0.25476(14) 0.31687(14) 0.5356(6) 0.0133(5) Uani d . 1 N H1 0.231(2) 0.288(3) 0.386(8) 0.031(5) Uiso d . 1 H H2 0.237(2) 0.287(2) 0.680(8) 0.031(5) Uiso d . 1 H H3 0.3128(19) 0.3081(19) 0.494(7) 0.031(5) Uiso d . 1 H N2 0.31948(13) 0.53211(14) 0.7039(5) 0.0125(5) Uani d . 1 N H4 0.2978(17) 0.5606(17) 0.568(7) 0.015 Uiso d . 1 H N3 0.60105(15) 0.78731(16) 0.9591(6) 0.0170(5) Uani d . 1 N H5 0.6452(19) 0.8116(19) 0.896(7) 0.020 Uiso d . 1 H H6 0.5930(19) 0.782(2) 1.145(8) 0.020 Uiso d . 1 H C1 0.23342(14) 0.41140(15) 0.5664(6) 0.0113(5) Uani d . 1 C H11 0.2369(2) 0.4380(9) 0.397(6) 0.014 Uiso calc R 1 H C2 0.29506(15) 0.45099(15) 0.7707(6) 0.0124(5) Uani d . 1 C C3 0.36727(15) 0.58679(17) 0.8976(6) 0.0124(5) Uani d . 1 C H31 0.3893(7) 0.5500(11) 1.046(5) 0.015 Uiso calc R 1 H C4 0.30746(15) 0.65269(16) 1.0352(6) 0.0120(5) Uani d . 1 C C5 0.14602(14) 0.41997(17) 0.6840(6) 0.0143(5) Uani d . 1 C H51 0.1425(2) 0.3848(11) 0.861(6) 0.017 Uiso calc R 1 H C6 0.08314(16) 0.38412(18) 0.4741(7) 0.0233(7) Uani d . 1 C H61 0.0303(10) 0.3835(12) 0.562(2) 0.037(6) Uiso calc R 1 H H62 0.0980(8) 0.3257(11) 0.420(4) 0.037(6) Uiso calc R 1 H H63 0.0816(9) 0.4207(10) 0.308(4) 0.037(6) Uiso calc R 1 H C7 0.12666(16) 0.51472(17) 0.7592(7) 0.0207(6) Uani d . 1 C H71 0.1618(11) 0.5336(6) 0.907(4) 0.030(5) Uiso calc R 1 H H72 0.0716(10) 0.5190(3) 0.821(4) 0.030(5) Uiso calc R 1 H H73 0.1345(12) 0.5505(7) 0.597(3) 0.030(5) Uiso calc R 1 H C8 0.43809(14) 0.62983(16) 0.7409(6) 0.0134(5) Uani d . 1 C H81 0.4687(6) 0.5867(9) 0.648(2) 0.016 Uiso calc R 1 H H82 0.4175(4) 0.6680(8) 0.603(3) 0.016 Uiso calc R 1 H C9 0.49336(15) 0.68044(17) 0.9422(6) 0.0153(5) Uani d . 1 C H91 0.4623(7) 0.7183(8) 1.045(2) 0.018 Uiso calc R 1 H H92 0.5163(5) 0.6421(8) 1.067(3) 0.018 Uiso calc R 1 H C10 0.56044(15) 0.73132(18) 0.7984(6) 0.0142(6) Uani d . 1 C 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 N1 C1 C2 106.9(2) yes N1 C1 C5 109.5(2) yes C2 C1 C5 110.9(2) yes O1 C2 N2 124.9(2) yes O1 C2 C1 120.4(2) yes N2 C2 C1 114.8(2) yes C2 N2 C3 122.8(2) yes N2 C3 C4 107.0(2) yes N2 C3 C8 110.7(2) yes C8 C3 C4 113.8(2) yes O2 C4 O3 123.5(2) yes O2 C4 C3 117.2(2) yes O3 C4 C3 119.2(2) yes C7 C5 C1 110.9(2) yes C6 C5 C1 111.4(2) yes C7 C5 C6 110.5(2) yes C9 C8 C3 111.9(2) yes C10 C9 C8 114.7(2) yes O4 C10 N3 122.3(3) yes O4 C10 C9 121.3(3) yes N3 C10 C9 116.5(3) yes C1 N1 H1 116.(2) no C1 N1 H2 111.(2) no H1 N1 H2 101.(3) no C1 N1 H3 112.3(18) no H1 N1 H3 101.(3) no H2 N1 H3 115.(3) no C2 N2 H4 121.6(19) no C3 N2 H4 113.6(19) no C10 N3 H5 120.(2) no C10 N3 H6 115.(2) no H5 N3 H6 120.(3) no N1 C1 H11 109.8(2) no C2 C1 H11 109.80(14) no C5 C1 H11 109.80(14) no N2 C3 H31 108.39(14) no C8 C3 H31 108.39(14) no C4 C3 H31 108.39(14) no C7 C5 H51 108.0(2) no C6 C5 H51 108.0(2) no C1 C5 H51 107.95(14) no C5 C6 H61 109.5(2) no C5 C6 H62 109.47(14) no H61 C6 H62 109.5 no C5 C6 H63 109.5(2) no H61 C6 H63 109.5 no H62 C6 H63 109.5 no C5 C7 H71 109.5(2) no C5 C7 H72 109.47(13) no H71 C7 H72 109.5 no C5 C7 H73 109.5(2) no H71 C7 H73 109.5 no H72 C7 H73 109.5 no C9 C8 H81 109.24(14) no C3 C8 H81 109.24(13) no C9 C8 H82 109.24(15) no C3 C8 H82 109.24(14) no H81 C8 H82 107.9 no C10 C9 H91 108.59(15) no C8 C9 H91 108.59(14) no C10 C9 H92 108.59(14) no C8 C9 H92 108.59(14) no H91 C9 H92 107.6 no loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag N1 C1 1.496(3) yes C1 C2 1.522(4) yes C1 C5 1.544(3) yes N2 C2 1.342(3) yes O1 C2 1.231(3) yes N2 C3 1.466(3) yes C3 C4 1.550(4) yes C3 C8 1.527(3) yes O2 C4 1.262(3) yes O3 C4 1.259(3) yes C5 C6 1.531(4) yes C5 C7 1.527(3) yes C8 C9 1.524(3) yes C9 C10 1.509(4) yes O4 C10 1.250(4) yes N3 C10 1.323(4) yes N1 H1 0.92(4) no N1 H2 0.88(4) no N1 H3 0.98(3) no N2 H4 0.85(3) no N3 H5 0.87(3) no N3 H6 0.89(4) no C1 H11 0.90(3) no C3 H31 0.97(3) no C5 H51 0.99(3) no C6 H61 0.96(2) no C6 H62 0.96(2) no C6 H63 0.96(2) no C7 H71 0.95(2) no C7 H72 0.95(2) no C7 H73 0.95(2) no C8 H81 0.94(2) no C8 H82 0.94(2) no C9 H91 0.91(2) no C9 H92 0.91(2) no 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 _geom_torsion_publ_flag N1 C1 C2 N2 141.6(2) yes C3 N2 C2 C1 169.2(2) yes C2 N2 C3 C4 -101.2(3) yes N2 C3 C4 O2 75.0(3) yes N1 C1 C5 C6 -64.8(3) yes N1 C1 C5 C7 171.7(3) yes N2 C3 C8 C9 -174.8(2) yes C3 C8 C9 C10 -174.8(2) yes C8 C9 C10 O4 -10.6(4) yes C3 N2 C2 O1 -9.0(4) no N1 C1 C2 O1 -40.1(3) no C5 C1 C2 O1 79.3(3) no C5 C1 C2 N2 -99.1(3) no C2 N2 C3 C8 134.3(2) no C8 C3 C4 O2 -162.4(2) no N2 C3 C4 O3 -104.2(3) no C8 C3 C4 O3 18.4(3) no C2 C1 C5 C7 53.9(3) no C2 C1 C5 C6 177.4(2) no C4 C3 C8 C9 64.6(3) no C8 C9 C10 N3 169.1(2) no