Chiral Selectivity in the Achiral Amino Acid Glycine.
Brunner, Henri; Tsuno, Takashi; Balázs, Gábor; The Journal of organic chemistry  (2019) –; doi:10.1021/acs.joc.9b02726

data_4037662
_publ_section_title
;
 Chiral Selectivity in the Achiral Amino Acid Glycine.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.9b02726
_journal_year                    2019
_chemical_formula_moiety         'C2 H5 N O2'
_chemical_formula_sum            'C2 H5 N O2'
_chemical_formula_weight         75.07
_chemical_name_systematic        'gamma glycine'
_space_group_crystal_system      trigonal
_space_group_IT_number           144
_space_group_name_Hall           'P 31'
_space_group_name_H-M_alt        'P 31'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-05-14
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   7.0167(5)
_cell_length_b                   7.0167(5)
_cell_length_c                   5.4894(3)
_cell_measurement_reflns_used    620
_cell_measurement_temperature    173
_cell_measurement_theta_max      29.6680
_cell_measurement_theta_min      3.3400
_cell_volume                     234.06(3)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      173
_diffrn_detector                 'Rigaku HyPix-3000 area detector'
_diffrn_detector_area_resol_mean 10.0
_diffrn_detector_type            'HPC area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
--------------------------------------------------------------------------
  1  \w    -38.00 107.00   0.50    7.65    --   20.00  54.00 -60.00  290
  2  \w    -74.00 -48.00   0.50    7.65    --   20.00  54.00-150.00   52
  3  \w     -9.00  17.00   0.50    7.65    --   20.00  54.00-150.00   52
  4  \w      8.00  33.00   0.50    7.65    --   20.00  54.00-120.00   50
  5  \w    -71.00 -42.00   0.50    7.65    --   20.00  54.00 -60.00   58
;
_diffrn_measurement_device       'two-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Mini II (JP)'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0947741000
_diffrn_orient_matrix_UB_12      -0.0116737000
_diffrn_orient_matrix_UB_13      -0.0020452000
_diffrn_orient_matrix_UB_21      0.0314842000
_diffrn_orient_matrix_UB_22      0.0561989000
_diffrn_orient_matrix_UB_23      -0.1131802000
_diffrn_orient_matrix_UB_31      0.0603929000
_diffrn_orient_matrix_UB_32      0.1015327000
_diffrn_orient_matrix_UB_33      0.0624077000
_diffrn_radiation_collimation    0.3
_diffrn_radiation_monochromator  'curved graphite'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0184
_diffrn_reflns_av_unetI/netI     0.0345
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.964
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       3
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            1041
_diffrn_reflns_point_group_measured_fraction_full 0.677
_diffrn_reflns_point_group_measured_fraction_max 0.601
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         30.254
_diffrn_reflns_theta_min         3.353
_diffrn_source                   'Sealed X-ray tube'
_diffrn_source_type              'Sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.142
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.94420
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46e (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.598
_exptl_crystal_description       block
_exptl_crystal_F_000             120
_exptl_crystal_preparation       'From TCI'
_exptl_crystal_recrystallization_method 'From H2O/EtOH with KO2CEt'
_exptl_crystal_size_max          0.211
_exptl_crystal_size_mid          0.174
_exptl_crystal_size_min          0.134
_refine_diff_density_max         0.233
_refine_diff_density_min         -0.189
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details
;
 Flack x determined using 104 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -1.8(10)
_refine_ls_extinction_coef       0.16(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     48
_refine_ls_number_reflns         565
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.118
_refine_ls_R_factor_all          0.0377
_refine_ls_R_factor_gt           0.0354
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0217P)^2^+0.1155P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0797
_refine_ls_wR_factor_ref         0.0806
_reflns_Friedel_coverage         0.247
_reflns_Friedel_fraction_full    0.355
_reflns_Friedel_fraction_max     0.238
_reflns_number_gt                531
_reflns_number_total             565
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b02726_si_002.cif
_cod_data_source_block           CCDC1916165
_cod_original_cell_volume        234.06(4)
_cod_database_code               4037662
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C2 H5 N1 O2'
_chemical_oxdiff_usercomment     'glycine '
_reflns_odcompleteness_completeness 99.72
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     27.42
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups, All N(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C005(H00D,H00E)
2.b Idealised Me refined as rotating group:
 N003(H00A,H00C,H00B)
;
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.096
_oxdiff_exptl_absorpt_empirical_full_min 0.941