#------------------------------------------------------------------------------ #$Date: 2012-03-31 00:54:29 +0300 (Sat, 31 Mar 2012) $ #$Revision: 50085 $ #$URL: file:///home/coder/svn-repositories/cod/cif/4/50/49/4504969.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_4504969 loop_ _publ_author_name 'Dawson, Alice' 'Allan, David R.' 'Belmonte, Scott A.' 'Clark, Stewart J.' 'David, William I. F.' 'McGregor, Pamela A.' 'Parsons, Simon' 'Pulham, Colin R.' 'Sawyer, Lindsay' _publ_section_title ; Effect of High Pressure on the Crystal Structures of Polymorphs of Glycine ; _journal_issue 4 _journal_name_full 'Crystal Growth & Design' _journal_page_first 1415 _journal_volume 5 _journal_year 2005 _chemical_formula_moiety 'C2 H5 N1 O2' _chemical_formula_sum 'C2 H5 N O2' _chemical_formula_weight 75.07 _chemical_name_systematic 'Alpha glycine' _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary 'From GLYCIN29' _audit_creation_date 04-06-04 _audit_creation_method CRYSTALS_ver_12.24 _cell_angle_alpha 90 _cell_angle_beta 114.916(15) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 4.9669(9) _cell_length_b 11.459(4) _cell_length_c 5.4231(12) _cell_measurement_reflns_used 442 _cell_measurement_temperature 293 _cell_measurement_theta_max 23 _cell_measurement_theta_min 4 _cell_volume 279.93(13) _computing_cell_refinement 'SAINT (Siemens ,1995)' _computing_data_collection 'SMART (Siemens, 1993)' _computing_data_reduction 'SAINT (Siemens ,1995)' _computing_molecular_graphics 'CAMERON (Watkin et al 1996)' _computing_publication_material 'CRYSTALS (Betteridge et al 2003)' _computing_structure_refinement 'CRYSTALS (Betteridge et al 2003)' _diffrn_ambient_pressure 2 _diffrn_ambient_temperature 293 _diffrn_measured_fraction_theta_full 0.418 _diffrn_measured_fraction_theta_max 0.330 _diffrn_measurement_device_type 'Bruker SMART' _diffrn_measurement_method \w _diffrn_radiation_monochromator silicon _diffrn_radiation_type synchrotron _diffrn_radiation_wavelength 0.68430 _diffrn_reflns_av_R_equivalents 0.058 _diffrn_reflns_limit_h_max 5 _diffrn_reflns_limit_h_min -5 _diffrn_reflns_limit_k_max 4 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 6 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 596 _diffrn_reflns_theta_full 16.794 _diffrn_reflns_theta_max 22.392 _diffrn_reflns_theta_min 4.342 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.158 _exptl_absorpt_correction_T_max 1.000 _exptl_absorpt_correction_T_min 0.306 _exptl_absorpt_correction_type 'Empirical and multi-scan' _exptl_absorpt_process_details 'SHADE (Parsons 2004) and SADABS (Siemens, 1996)' _exptl_crystal_colour Colourless _exptl_crystal_density_diffrn 1.781 _exptl_crystal_description block _exptl_crystal_F_000 160 _exptl_crystal_size_max 0.15 _exptl_crystal_size_mid 0.15 _exptl_crystal_size_min 0.15 _refine_diff_density_max 0.27 _refine_diff_density_min -0.27 _refine_ls_extinction_coef 130(60) _refine_ls_extinction_method 'Larson 1970 Crystallographic Computing eq 22' _refine_ls_goodness_of_fit_ref 1.1837 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 22 _refine_ls_number_reflns 128 _refine_ls_number_restraints 8 _refine_ls_R_factor_all 0.0875 _refine_ls_R_factor_gt 0.0771 _refine_ls_shift/su_max 0.000030 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details ; p=P(6)*max(Fo^2^,0) + (1-P(6))Fc^2^ Method = SHELXL 97 (Sheldrick, 1997) W = 1. / [Sigma^2^(F*)+(P(1)p)^2^+P(2)p+P(4)+P(5)Sin(theta) ] P(i) are: 0.816E-01 1.59 0.00 0.00 0.00 0.333 ; _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.1906 _refine_ls_wR_factor_gt 0.1845 _refine_ls_wR_factor_ref 0.1906 _reflns_limit_h_max 5 _reflns_limit_h_min -5 _reflns_limit_k_max 4 _reflns_limit_k_min 0 _reflns_limit_l_max 6 _reflns_limit_l_min 0 _reflns_number_gt 109 _reflns_number_total 103 _reflns_threshold_expression I>2.00u(I) _oxford_refine_ls_scale 0.79(3) _oxford_structure_analysis_title 'Alpha glycine at 2 GPa in P2(1)/n' _[local]_cod_data_source_file cg049716msi20050403_032703.cif _[local]_cod_data_source_block algly20 _[local]_cod_cif_authors_sg_H-M P21/n _[local]_cod_chemical_formula_sum_orig 'C2 H5 N1 O2' _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' 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 ; _cod_original_cell_volume 279.92(13) _cod_database_code 4504969 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,-z -x+1/2,y+1/2,-z+1/2 x+1/2,-y+1/2,z+1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_occupancy _atom_site_adp_type _atom_site_refinement_flags_posn O1 O 1.1613(10) 0.8495(13) -0.1015(10) 0.015(2) 1.0000 Uiso D O2 O 0.6973(10) 0.9096(12) -0.2326(10) 0.013(2) 1.0000 Uiso D C1 C 0.9389(13) 0.8715(15) -0.0588(11) 0.012(3) 1.0000 Uiso D C2 C 0.9624(15) 0.8497(13) 0.2265(13) 0.013(3) 1.0000 Uiso D N1 N 0.7225(13) 0.9097(14) 0.2691(13) 0.012(2) 1.0000 Uiso D H1 H 0.9492 0.7666 0.2523 0.0196 1.0000 Uiso . H2 H 1.1524 0.8786 0.3582 0.0196 1.0000 Uiso . H3 H 0.7408 0.8956 0.4371 0.0183 1.0000 Uiso . H4 H 0.5473 0.8833 0.1495 0.0183 1.0000 Uiso . H5 H 0.7337 0.9862 0.2467 0.0183 1.0000 Uiso . loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_Cromer_Mann_a1 _atom_type_scat_Cromer_Mann_b1 _atom_type_scat_Cromer_Mann_a2 _atom_type_scat_Cromer_Mann_b2 _atom_type_scat_Cromer_Mann_a3 _atom_type_scat_Cromer_Mann_b3 _atom_type_scat_Cromer_Mann_a4 _atom_type_scat_Cromer_Mann_b4 _atom_type_scat_Cromer_Mann_c _atom_type_scat_source C 0.0030 0.0010 2.3100 20.8439 1.0200 10.2075 1.5886 0.5687 0.8650 51.6512 0.2156 'International Tables Vol C 4.2.6.8 and 6.1.1.4' H 0.0000 0.0000 0.4930 10.5109 0.3229 26.1257 0.1402 3.1424 0.0408 57.7998 0.0030 'International Tables Vol C 4.2.6.8 and 6.1.1.4' N 0.0060 0.0030 12.2126 0.0057 3.1322 9.8933 2.0125 28.9975 1.1663 0.5826 -11.5290 'International Tables Vol C 4.2.6.8 and 6.1.1.4' O 0.0100 0.0060 3.0485 13.2771 2.2868 5.7011 1.5463 0.3239 0.8670 32.9089 0.2508 'International Tables Vol C 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 O2 C1 O1 125.1(3) yes O2 C1 C2 117.4(3) yes O1 C1 C2 117.5(3) yes C1 C2 N1 111.2(4) yes C1 C2 H1 109.095 no N1 C2 H1 109.076 no C1 C2 H2 109.049 no N1 C2 H2 108.938 no H1 C2 H2 109.468 no C2 N1 H3 109.519 no C2 N1 H4 109.482 no H3 N1 H4 109.328 no C2 N1 H5 109.616 no H3 N1 H5 109.431 no H4 N1 H5 109.452 no loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag O1 C1 1.246(6) yes O2 C1 1.251(7) yes C1 C2 1.523(7) yes C2 N1 1.476(8) yes C2 H1 0.969 no C2 H2 0.971 no N1 H3 0.891 no N1 H4 0.891 no N1 H5 0.890 no