Structural insights into the multi-component solid forms of aminocaproic acid and aminomethyl benzoic acid: mechanochemical approach for the preparation of salt forms
Kanagavel, Manimurugan; Nechipadappu, Sunil Kumar; CrystEngComm  (2026) –; doi:10.1039/D5CE00830A

data_7251397
_publ_section_title
;
 Structural insights into the multi-component solid forms of aminocaproic
 acid and aminomethyl benzoic acid: mechanochemical approach for the
 preparation of salt forms
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D5CE00830A
_journal_year                    2026
_chemical_formula_moiety         '2(C8 H10 N O2), C4 H4 O6, H2 O '
_chemical_formula_sum            'C20 H26 N2 O11'
_chemical_formula_weight         470.43
_chemical_name_systematic
'Aminomethyl benzoic acid tartarate mono hydrate'
_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'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     difmap
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2025-06-10 deposited with the CCDC.	2025-11-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.5494(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.3917(2)
_cell_length_b                   11.7324(2)
_cell_length_c                   14.9593(2)
_cell_measurement_reflns_used    9880
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      30.52
_cell_measurement_theta_min      2.41
_cell_volume                     2138.09(6)
_computing_cell_refinement       '<i>SAINT</i> (Bruker, 2016)'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker D8 QUEST PHOTON-100'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0219
_diffrn_reflns_av_unetI/netI     0.0227
_diffrn_reflns_Laue_measured_fraction_full 0.972
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            24392
_diffrn_reflns_point_group_measured_fraction_full 0.972
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.547
_diffrn_reflns_theta_min         2.410
_exptl_absorpt_coefficient_mu    0.120
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.7033
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.461
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             992
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: ethanol-water'
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.383
_refine_diff_density_min         -0.270
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         6435
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0452
_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^)+(0.0628P)^2^+0.5880P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1190
_refine_ls_wR_factor_ref         0.1310
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5246
_reflns_number_total             6435
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00830a2.cif
_cod_data_source_block           KB1245_0m
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7251397
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.979
_shelx_estimated_absorpt_t_max   0.989
_shelx_res_checksum              79897