Glycine-d-tartaric acid (1/1).
Mohandas, T.; Inbaseelan, C. Ranjith Dev; Saravanan, S.; Sakthivel, P.; Acta crystallographica. Section E, Structure reports online 69 (2013) o236–; doi:10.1107/S1600536813000822

data_2311127
_publ_section_title
;
 Glycine-d-tartaric acid (1/1).
;
_journal_coeditor_code           BV2215
_journal_issue                   'Pt 2'
_journal_name_full
'Acta crystallographica. Section E, Structure reports online'
_journal_page_first              o236
_journal_paper_doi               10.1107/S1600536813000822
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C2 H5 N O2, C4 H6 O6'
_chemical_formula_moiety         'C2 H5 N O2, C4 H6 O6'
_chemical_formula_sum            'C6 H11 N O8'
_chemical_formula_weight         225.16
_chemical_name_systematic
;
Glycine--<i>D</i>-tartaric acid (1/1)
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.1710(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.8387(2)
_cell_length_b                   9.2913(4)
_cell_length_c                   20.0273(8)
_cell_measurement_reflns_used    1585
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.03
_cell_volume                     900.38(6)
_computing_cell_refinement       'APEX2 and SAINT-NT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT-NT and XPREP (Bruker, 2003)'
_computing_molecular_graphics    'ORTEP-32 (Farrugia, 2012)'
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.831
_diffrn_measurement_device_type  'Bruker Kappa APEXII'
_diffrn_measurement_method       '\w and \f scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0331
_diffrn_reflns_av_sigmaI/netI    0.0219
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            12500
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         34.97
_diffrn_reflns_theta_min         2.03
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 100
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.158
_exptl_absorpt_correction_T_max  0.9691
_exptl_absorpt_correction_T_min  0.9542
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.661
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.494
_refine_diff_density_min         -0.221
_refine_ls_extinction_coef       0.074(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         3282
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0371
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0603P)^2^+0.1264P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1052
_refine_ls_wR_factor_ref         0.1116
_reflns_number_gt                2685
_reflns_number_total             3282
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            bv2215sup1.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2311127