#------------------------------------------------------------------------------ #$Date: 2014-10-25 20:23:10 +0300 (Sat, 25 Oct 2014) $ #$Revision: 125873 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/10/51/2105153.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_2105153 loop_ _publ_author_name 'Tumanov, Nikolay A.' 'Boldyreva, Elena V.' _publ_section_title ; X-ray diffraction and Raman study of DL-alanine at high pressure: revision of phase transitions ; _journal_coeditor_code GP5051 _journal_issue 4 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 412 _journal_page_last 423 _journal_volume 68 _journal_year 2012 _chemical_formula_moiety 'C3 H7 N O2' _chemical_formula_sum 'C3 H7 N O2' _chemical_formula_weight 89.10 _chemical_name_common DL-alanine _chemical_name_systematic 'DL-2-Aminopropionic Acid ' _space_group_IT_number 33 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'P 2c -2n' _symmetry_space_group_name_H-M 'P n a 21' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 11.537(3) _cell_length_b 5.554(3) _cell_length_c 5.6456(8) _cell_measurement_reflns_used 1408 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 30.9919 _cell_measurement_theta_min 3.6016 _cell_volume 361.8(2) _computing_cell_refinement 'CrysAlis Pro (Oxford Diffraction Ltd, 2010)' _computing_data_collection 'CrysAlis Pro (Oxford Diffraction Ltd, 2010)' _computing_data_reduction 'CrysAlis Pro (Oxford Diffraction Ltd, 2010)' _computing_molecular_graphics 'Mercury (Macrae et al., 2008)' _computing_publication_material ; Mercury (Macrae et al., 2008), PLATON (Spek, 2009), enCIFer (Allen et al., 2004) ; _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_detector_area_resol_mean 10.3457 _diffrn_measured_fraction_theta_full 0.437 _diffrn_measured_fraction_theta_max 0.437 _diffrn_measurement_device_type 'Oxford Diffraction Gemini Ultra R' _diffrn_measurement_method \w _diffrn_radiation_monochromator graphite _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0745 _diffrn_reflns_av_sigmaI/netI 0.0537 _diffrn_reflns_limit_h_max 14 _diffrn_reflns_limit_h_min -14 _diffrn_reflns_limit_k_max 4 _diffrn_reflns_limit_k_min -4 _diffrn_reflns_limit_l_max 8 _diffrn_reflns_limit_l_min -8 _diffrn_reflns_number 3018 _diffrn_reflns_theta_full 31.06 _diffrn_reflns_theta_max 31.06 _diffrn_reflns_theta_min 5.05 _exptl_absorpt_coefficient_mu 0.137 _exptl_absorpt_correction_T_max 0.478 _exptl_absorpt_correction_T_min 0.408 _exptl_absorpt_correction_type gaussian _exptl_absorpt_process_details ; Absorb6.1 (R. J. Angel, 2004) ; _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.636 _exptl_crystal_density_method 'not measured' _exptl_crystal_description plate _exptl_crystal_F_000 192 _exptl_crystal_size_max 0.16 _exptl_crystal_size_mid 0.10 _exptl_crystal_size_min 0.06 _refine_diff_density_max 0.157 _refine_diff_density_min -0.151 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.048 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 57 _refine_ls_number_reflns 499 _refine_ls_number_restraints 1 _refine_ls_restrained_S_all 1.047 _refine_ls_R_factor_all 0.0599 _refine_ls_R_factor_gt 0.0419 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0327P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0715 _refine_ls_wR_factor_ref 0.0787 _reflns_number_gt 396 _reflns_number_total 499 _reflns_threshold_expression I>2\s(I) _iucr_refine_instructions_details ; TITL DLALA_50KBAR_NV_OU IN PNA2(1) CELL 0.71073 11.53670 5.55404 5.64560 90.00000 90.00000 90.00000 ZERR 3 0.00267 0.00324 0.00079 0.00000 0.00000 0.00000 LATT -1 SYMM -X, -Y, Z+ 0.50000 SYMM -X+ 0.50000, Y+ 0.50000, Z+ 0.50000 SYMM X+ 0.50000, -Y+ 0.50000, Z SFAC C H N O UNIT 12 28 4 8 L.S. 10 PLAN 30 FMAP 2 ACTA CONF BOND $H EQIV $1 x,y,-1+z EQIV $2 1-x,1-y,-1/2+z EQIV $3 3/2-x,1/2+y,-1/2+z HTAB N1 O2_$2 HTAB N1 O1_$1 HTAB N1 O2_$1 HTAB N1 O1_$3 WGHT 0.032700 FVAR 6.63726 O2 4 0.594041 0.483393 0.610241 11.00000 0.03147 0.03110 = 0.02086 -0.00136 0.00027 0.00588 O1 4 0.683840 0.157504 0.747428 11.00000 0.03347 0.02695 = 0.01774 0.00298 -0.00037 0.00781 C1 1 0.645184 0.289003 0.583192 11.00000 0.01133 0.03263 = 0.02143 0.00289 0.00206 -0.00171 C2 1 0.662434 0.190034 0.332543 11.00000 0.02033 0.02901 = 0.01394 0.00085 -0.00108 -0.00011 AFIX 13 H2 2 0.744181 0.146780 0.312131 11.00000 -1.20000 AFIX 0 C3 1 0.589546 -0.028611 0.288180 11.00000 0.03502 0.03819 = 0.02225 0.00168 -0.00305 -0.00288 AFIX 137 H3B 2 0.608030 -0.094265 0.135482 11.00000 -1.20000 H3A 2 0.509074 0.015170 0.292405 11.00000 -1.20000 H3C 2 0.604830 -0.146841 0.408225 11.00000 -1.20000 AFIX 0 N1 3 0.632344 0.377828 0.158614 11.00000 0.02458 0.03640 = 0.01442 -0.00164 0.00047 -0.00414 AFIX 137 H1C 2 0.677207 0.506118 0.181385 11.00000 -1.20000 H1A 2 0.558367 0.419420 0.176642 11.00000 -1.20000 H1B 2 0.643289 0.321337 0.012795 11.00000 -1.20000 HKLF 4 REM DLALA_50KBAR_NV_OU IN PNA2(1) REM R1 = 0.0419 for 396 Fo > 4sig(Fo) and 0.0599 for all 499 data REM 57 parameters refined using 1 restraints END WGHT 0.0327 0.0000 REM Highest difference peak 0.157, deepest hole -0.151, 1-sigma level 0.042 Q1 1 0.7327 0.6226 0.2416 11.00000 0.05 0.16 Q2 1 0.5797 0.5565 0.1223 11.00000 0.05 0.15 Q3 1 0.5431 -0.0949 0.1092 11.00000 0.05 0.14 Q4 1 0.7638 0.4885 0.2474 11.00000 0.05 0.14 Q5 1 0.3863 0.1814 0.3094 11.00000 0.05 0.14 Q6 1 0.5935 0.4833 0.5336 11.00000 0.05 0.13 Q7 1 0.6475 0.0732 0.1165 11.00000 0.05 0.13 Q8 1 0.5536 0.5966 0.7277 11.00000 0.05 0.13 Q9 1 0.7651 0.4510 0.1488 11.00000 0.05 0.12 Q10 1 0.5213 0.5423 0.6130 11.00000 0.05 0.12 Q11 1 0.6200 -0.1906 0.6452 11.00000 0.05 0.12 Q12 1 0.7178 0.3793 0.3121 11.00000 0.05 0.11 Q13 1 0.7205 0.3480 0.1849 11.00000 0.05 0.11 Q14 1 0.6445 0.3188 0.7532 11.00000 0.05 0.11 Q15 1 0.5461 0.6432 0.6069 11.00000 0.05 0.11 Q16 1 0.7349 0.0273 0.4954 11.00000 0.05 0.11 Q17 1 0.7161 0.3172 0.6293 11.00000 0.05 0.11 Q18 1 0.6190 0.5277 0.8130 11.00000 0.05 0.10 Q19 1 0.5804 0.5095 0.4460 11.00000 0.05 0.10 Q20 1 0.6000 0.1026 0.7247 11.00000 0.05 0.10 Q21 1 0.6948 -0.2253 0.1007 11.00000 0.05 0.10 Q22 1 0.6355 0.5692 0.7932 11.00000 0.05 0.10 Q23 1 0.6587 0.2646 0.4590 11.00000 0.05 0.10 Q24 1 0.5970 0.4878 0.6821 11.00000 0.05 0.10 Q25 1 0.5574 0.6519 0.8333 11.00000 0.05 0.09 Q26 1 0.5592 -0.0037 0.4214 11.00000 0.05 0.09 Q27 1 0.6815 0.1577 0.6658 11.00000 0.05 0.09 Q28 1 0.4981 0.4828 0.5173 11.00000 0.05 0.09 Q29 1 0.5404 0.3493 0.0215 11.00000 0.05 0.09 Q30 1 0.5922 0.1555 0.2880 11.00000 0.05 0.09 ; _[local]_cod_data_source_file gp5051.cif _[local]_cod_data_source_block dlala_50kbar _cod_original_cell_volume 361.7(2) _cod_database_code 2105153 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' loop_ _atom_site_type_symbol _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_symmetry_multiplicity O O2 0.5940(2) 0.4834(7) 0.6102(3) 0.0278(9) Uani d . 1 1 O O1 0.68384(16) 0.1575(5) 0.7474(3) 0.0261(8) Uani d . 1 1 C C1 0.6452(2) 0.2890(9) 0.5832(5) 0.0218(14) Uani d . 1 1 C C2 0.6624(2) 0.1900(9) 0.3325(4) 0.0211(14) Uani d . 1 1 H H2 0.7442 0.1468 0.3121 0.025 Uiso calc R 1 1 C C3 0.5895(3) -0.0286(11) 0.2882(6) 0.0318(17) Uani d . 1 1 H H3B 0.6080 -0.0943 0.1355 0.038 Uiso calc R 1 1 H H3A 0.5091 0.0152 0.2924 0.038 Uiso calc R 1 1 H H3C 0.6048 -0.1468 0.4082 0.038 Uiso calc R 1 1 N N1 0.6323(2) 0.3778(7) 0.1586(3) 0.0251(11) Uani d . 1 1 H H1C 0.6772 0.5061 0.1814 0.030 Uiso calc R 1 1 H H1A 0.5584 0.4194 0.1766 0.030 Uiso calc R 1 1 H H1B 0.6433 0.3213 0.0128 0.030 Uiso calc R 1 1 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 O2 0.0315(13) 0.031(3) 0.0209(11) 0.0059(11) 0.0003(9) -0.0014(13) O1 0.0335(14) 0.027(3) 0.0177(9) 0.0078(9) -0.0004(8) 0.0030(14) C1 0.0113(19) 0.033(5) 0.0214(16) -0.0017(12) 0.0021(12) 0.0029(19) C2 0.0203(19) 0.029(5) 0.0139(14) -0.0001(14) -0.0011(9) 0.0009(18) C3 0.035(2) 0.038(6) 0.0222(17) -0.0029(15) -0.0030(12) 0.002(2) N1 0.0246(16) 0.036(4) 0.0144(12) -0.0041(11) 0.0005(9) -0.0016(16) 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 O2 C1 O1 125.6(3) O2 C1 C2 119.2(3) O1 C1 C2 115.2(3) N1 C2 C3 109.3(3) N1 C2 C1 109.3(3) C3 C2 C1 111.9(3) N1 C2 H2 108.8 C3 C2 H2 108.8 C1 C2 H2 108.8 C2 C3 H3B 109.5 C2 C3 H3A 109.5 H3B C3 H3A 109.5 C2 C3 H3C 109.5 H3B C3 H3C 109.5 H3A C3 H3C 109.5 C2 N1 H1C 109.5 C2 N1 H1A 109.5 H1C N1 H1A 109.5 C2 N1 H1B 109.5 H1C N1 H1B 109.5 H1A N1 H1B 109.5 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O2 C1 1.240(6) O1 C1 1.262(4) C1 C2 1.531(4) C2 N1 1.474(5) C2 C3 1.498(7) C2 H2 0.9800 C3 H3B 0.9600 C3 H3A 0.9600 C3 H3C 0.9600 N1 H1C 0.8900 N1 H1A 0.8900 N1 H1B 0.8900 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 N1 H1A O2 2_664 0.89 1.88 2.737(3) 161.8 N1 H1B O1 1_554 0.89 1.81 2.691(3) 167.8 N1 H1B O2 1_554 0.89 2.51 3.182(3) 132.8 N1 H1C O1 3_654 0.89 1.85 2.676(4) 153.9 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 O2 C1 C2 N1 11.1(5) O1 C1 C2 N1 -170.2(3) O2 C1 C2 C3 -110.0(5) O1 C1 C2 C3 68.6(4) _journal_paper_doi 10.1107/S0108768112028972