#------------------------------------------------------------------------------
#$Date: 2025-08-22 18:52:37 +0300 (Fri, 22 Aug 2025) $
#$Revision: 301865 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/22/56/7225617.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_7225617
loop_
_publ_author_name
'Losev, E. A.'
'Zakharov, B. A.'
'Boldyreva, E. V.'
_publ_section_title
;
 Polymorphic transformations in glycine co-crystals at low temperature and
 high pressure: two new examples as a follow-up to a glycine--glutaric
 acid study
;
_journal_issue                   31
_journal_name_full               CrystEngComm
_journal_page_first              5869
_journal_paper_doi               10.1039/C6CE00561F
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C4 H6 O6, C2 H5 N O2'
_chemical_formula_sum            'C6 H11 N O8'
_chemical_formula_weight         225.16
_chemical_name_common            'glycine-DL-tartaric acid (1:1)'
_chemical_name_systematic        'glycine-DL-tartaric acid (1:1)'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-06-02 deposited with the CCDC.
2016-06-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.159(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.8067(6)
_cell_length_b                   9.3033(8)
_cell_length_c                   20.367(2)
_cell_measurement_reflns_used    5463
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.43
_cell_measurement_theta_min      2.06
_cell_volume                     890.34(16)
_computing_cell_refinement       'STOE X-AREA (Stoe & Cie, 2006)'
_computing_data_collection       'STOE X-AREA (Stoe & Cie, 2006)'
_computing_data_reduction        'STOE X-RED (Stoe & Cie, 2006)'
_computing_molecular_graphics    'Mercury (Macrae et al., 2006)'
_computing_publication_material
;
Mercury (Macrae et al., 2006), 
PLATON (Spek, 2009),
;
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_collimation    '0.5 mm diameter, monocapillary'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0481
_diffrn_reflns_av_unetI/netI     0.0471
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            7889
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.247
_diffrn_reflns_theta_min         2.046
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           30
_diffrn_source_power             1.500
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.160
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.680
_exptl_crystal_description       block
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.390
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.366
_refine_diff_density_min         -0.437
_refine_diff_density_rms         0.092
_refine_ls_extinction_coef       0.022(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2408
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0735
_refine_ls_R_factor_gt           0.0392
_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/[σ²(Fo²)+(0.0665P)²] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1264
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1544
_reflns_number_total             2408
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            c6ce00561f17.cif
_cod_data_source_block           gta100K
_cod_depositor_comments
'Adding full bibliography for 7225609--7225638.cif.'
_cod_original_cell_volume        890.34(17)
_cod_database_code               7225617
_shelx_shelxl_version_number     2014/7
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelx_estimated_absorpt_t_min   0.940
_shelx_estimated_absorpt_t_max   0.983
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -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_adp_type
_atom_site_occupancy
_atom_site_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
O6 O 0.7619(3) 0.12017(14) 0.56498(7) 0.0171(3) Uani 1 1 d . .
H6 H 0.580(6) 0.131(2) 0.5435(12) 0.021 Uiso 1 1 d . U
O3 O 0.6025(3) 0.35599(14) 0.43266(7) 0.0197(3) Uani 1 1 d . .
H3 H 0.458(5) 0.359(3) 0.3947(12) 0.024 Uiso 1 1 d . U
O5 O 1.2249(3) 0.14561(15) 0.49246(7) 0.0189(3) Uani 1 1 d . .
H5 H 1.152(5) 0.074(3) 0.4707(12) 0.023 Uiso 1 1 d . U
O8 O 1.2219(3) 0.15674(14) 0.66289(7) 0.0195(3) Uani 1 1 d . .
O7 O 1.3292(3) 0.36436(15) 0.61678(7) 0.0204(3) Uani 1 1 d . .
H7 H 1.4705 0.3639 0.6491 0.024 Uiso 1 1 calc R U
O4 O 0.7497(3) 0.14626(15) 0.39527(7) 0.0197(3) Uani 1 1 d . .
O1 O 1.2211(3) 0.58764(14) 0.29355(7) 0.0188(3) Uani 1 1 d . .
C3 C 0.7754(4) 0.24706(19) 0.43462(9) 0.0164(4) Uani 1 1 d . .
O2 O 1.1816(3) 0.36244(15) 0.33171(7) 0.0212(3) Uani 1 1 d . .
C5 C 0.9189(4) 0.2478(2) 0.56112(9) 0.0148(4) Uani 1 1 d . .
H5A H 0.807(5) 0.332(2) 0.5645(11) 0.018 Uiso 1 1 d . U
C2 C 1.0984(4) 0.46803(19) 0.29385(9) 0.0158(4) Uani 1 1 d . .
C6 C 1.1733(4) 0.24956(19) 0.61990(9) 0.0155(4) Uani 1 1 d . .
C4 C 1.0241(4) 0.2564(2) 0.49447(9) 0.0160(4) Uani 1 1 d . .
H4 H 1.112(5) 0.347(3) 0.4921(11) 0.019 Uiso 1 1 d . U
N1 N 0.7916(4) 0.54982(18) 0.18724(8) 0.0181(4) Uani 1 1 d . .
H1A H 0.599(5) 0.569(3) 0.1643(12) 0.027 Uiso 1 1 d . U
H1B H 0.847(6) 0.636(3) 0.2014(12) 0.027 Uiso 1 1 d . U
H1C H 0.901(5) 0.511(3) 0.1594(12) 0.027 Uiso 1 1 d . U
C1 C 0.8152(4) 0.4497(2) 0.24496(9) 0.0177(4) Uani 1 1 d . .
H1D H 0.667(5) 0.471(2) 0.2669(11) 0.021 Uiso 1 1 d . U
H1E H 0.785(5) 0.351(3) 0.2285(12) 0.021 Uiso 1 1 d . U
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
C5 O6 H6 110.8(15)
C3 O3 H3 114.2(15)
C4 O5 H5 112.4(17)
C6 O7 H7 109.5
O4 C3 O3 126.82(18)
O4 C3 C4 121.56(16)
O3 C3 C4 111.61(15)
O6 C5 C6 108.33(14)
O6 C5 C4 111.59(14)
C6 C5 C4 109.47(15)
O6 C5 H5A 111.4(14)
C6 C5 H5A 107.8(14)
C4 C5 H5A 108.2(13)
O1 C2 O2 127.03(18)
O1 C2 C1 116.91(16)
O2 C2 C1 116.04(16)
O8 C6 O7 125.92(18)
O8 C6 C5 124.03(17)
O7 C6 C5 110.05(15)
O5 C4 C3 111.13(15)
O5 C4 C5 109.75(15)
C3 C4 C5 110.72(15)
O5 C4 H4 109.4(14)
C3 C4 H4 107.0(15)
C5 C4 H4 108.8(13)
C1 N1 H1A 114.2(14)
C1 N1 H1B 110.4(16)
H1A N1 H1B 100(2)
C1 N1 H1C 106.3(15)
H1A N1 H1C 113(2)
H1B N1 H1C 113(2)
N1 C1 C2 110.93(15)
N1 C1 H1D 107.6(14)
C2 C1 H1D 109.2(14)
N1 C1 H1E 109.7(14)
C2 C1 H1E 112.2(14)
H1D C1 H1E 107(2)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O6 C5 1.418(2)
O6 H6 0.90(3)
O3 C3 1.306(2)
O3 H3 0.92(3)
O5 C4 1.419(2)
O5 H5 0.84(3)
O8 C6 1.217(2)
O7 C6 1.314(2)
O7 H7 0.8400
O4 C3 1.223(2)
O1 C2 1.260(2)
C3 C4 1.519(3)
O2 C2 1.261(2)
C5 C6 1.520(3)
C5 C4 1.547(2)
C5 H5A 0.96(2)
C2 C1 1.517(3)
C4 H4 0.95(2)
N1 C1 1.486(2)
N1 H1A 0.96(3)
N1 H1B 0.88(3)
N1 H1C 0.92(2)
C1 H1D 0.94(2)
C1 H1E 0.98(2)
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
O6 H6 O5 0.90(3) 1.81(3) 2.701(2) 174(2) 1_455
O3 H3 O2 0.92(3) 1.64(3) 2.564(2) 175(2) 1_455
O5 H5 O6 0.84(3) 2.02(2) 2.7419(19) 144(2) 3_756
O7 H7 O1 0.84 1.74 2.558(2) 163.1 3_866
N1 H1C O6 0.92(2) 2.26(2) 2.928(2) 129(2) 4_565
N1 H1C O8 0.92(2) 2.19(3) 2.941(2) 139(2) 4_565
N1 H1A O4 0.96(3) 1.99(3) 2.925(2) 165(2) 2_655
N1 H1B O2 0.88(3) 2.21(3) 2.940(2) 141(2) 2_755
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
O6 C5 C6 O8 -1.7(2)
C4 C5 C6 O8 -123.64(18)
O6 C5 C6 O7 178.01(14)
C4 C5 C6 O7 56.12(19)
O4 C3 C4 O5 6.7(2)
O3 C3 C4 O5 -174.17(14)
O4 C3 C4 C5 -115.54(18)
O3 C3 C4 C5 63.59(19)
O6 C5 C4 O5 -65.88(19)
C6 C5 C4 O5 54.03(19)
O6 C5 C4 C3 57.16(19)
C6 C5 C4 C3 177.07(15)
O1 C2 C1 N1 23.9(2)
O2 C2 C1 N1 -157.86(15)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139202273
