Structural and computational analysis of H-bond mediated anion⋯anion interactions in new salts of fumaric and maleic acids
Jemai, Mahdi; Barceló-Oliver, Miquel; Marouani, Houda; Roisnel, Thierry; Frontera, Antonio; Prohens, Rafel; CrystEngComm 27 (2025) 4686–4698; doi:10.1039/D5CE00380F

data_7250464
_publ_section_title
;
 Structural and computational analysis of H-bond mediated
 anion&#x22EF;anion interactions in new salts of fumaric and maleic acids
;
_journal_issue                   27
_journal_name_full               CrystEngComm
_journal_page_first              4686
_journal_page_last               4698
_journal_paper_doi               10.1039/D5CE00380F
_journal_volume                  27
_journal_year                    2025
_chemical_formula_moiety         'C7 H14 N O2, C4 H3 O4'
_chemical_formula_sum            'C11 H17 N O6'
_chemical_formula_weight         259.25
_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     dual
_audit_creation_date             2024-10-03
_audit_creation_method
;
Olex2 1.5
(compiled 2024.01.12 svn.r2f8d729c for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2025-04-01 deposited with the CCDC.	2025-05-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.959(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.8182(5)
_cell_length_b                   5.5773(3)
_cell_length_c                   25.6130(14)
_cell_measurement_reflns_used    9866
_cell_measurement_temperature    299.00
_cell_measurement_theta_max      68.32
_cell_measurement_theta_min      8.74
_cell_volume                     1247.56(12)
_computing_cell_refinement       'Bruker Apex5, 2024'
_computing_data_collection       'Bruker Apex5, 2024'
_computing_data_reduction        'SAINT v8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      299.00
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0579
_diffrn_reflns_av_unetI/netI     0.0444
_diffrn_reflns_Laue_measured_fraction_full 0.982
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            17964
_diffrn_reflns_point_group_measured_fraction_full 0.982
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.318
_diffrn_reflns_theta_min         5.064
_diffrn_source                   'high brilliance microfocus sealed tube'
_diffrn_source_current           1.2
_diffrn_source_power             0.06
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.961
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.4920
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016) was used for absorption correction.
wR2(int) was 0.1422 before and 0.0724 after correction.
The Ratio of minimum to maximum transmission is 0.6533.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.380
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.265
_refine_diff_density_min         -0.269
_refine_diff_density_rms         0.052
_refine_ls_extinction_coef       0.045(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/2 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         2250
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0551
_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^)+(0.0790P)^2^+0.3712P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1482
_refine_ls_wR_factor_ref         0.1502
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2126
_reflns_number_total             2250
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00380f2.cif
_cod_data_source_block           1_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7250461--7250466.cif.'
_cod_database_code               7250464
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_max   0.893
_shelx_estimated_absorpt_t_min   0.694
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2. Restrained distances
 N8-H8B = N8-H8A
 0.95 with sigma of 0.02
 O1A-H1A
 0.95 with sigma of 0.02
3.a Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C6(H6A,H6B), C7(H7A,H7B), C9(H9A,H9B), C10(H10A,H10B)
3.b Aromatic/amide H refined with riding coordinates:
 C4A(H4A), C5A(H5A)
;
_shelx_res_checksum              11414
_olex2_exptl_crystal_mounting_method
'cryoloop, covered with Parabar 10320 (formerly known as Paratone)'
_olex2_submission_special_instructions 'No special instructions were received'