Structural landscape studies of aminopyridinium hypodiphosphates: dehydration and polymorphism in 4-aminopyridinium salts
Budzikur-Maciąg, Daria; Kinzhybalo, Vasyl; Ślepokura, Katarzyna; CrystEngComm 26 (2024) 6861–6872; doi:10.1039/D4CE01048E

data_7249610
_publ_section_title
;
 Structural landscape studies of aminopyridinium hypodiphosphates:
 dehydration and polymorphism in 4-aminopyridinium salts
;
_journal_issue                   48
_journal_name_full               CrystEngComm
_journal_page_first              6861
_journal_page_last               6872
_journal_paper_doi               10.1039/D4CE01048E
_journal_volume                  26
_journal_year                    2024
_chemical_formula_moiety         '2(C5 H7 N2), (H2 P2 O6)'
_chemical_formula_sum            'C10 H16 N4 O6 P2'
_chemical_formula_weight         350.21
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
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_audit_update_record
;
2024-08-15 deposited with the CCDC.	2024-11-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.496(2)
_cell_length_b                   16.008(3)
_cell_length_c                   15.982(2)
_cell_measurement_reflns_used    14962
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      72.8740
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_cell_volume                     3197.0(9)
_computing_cell_refinement       'CrysAlisPro 1.171.42.72a (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.72a (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.72a (Rigaku OD, 2022)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            'HyPix-Arc 150'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
'Rigaku XtaLAB Synergy R, DW system, HyPix-Arc 150'
_diffrn_measurement_method       '\w scans'
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_diffrn_radiation_type           CuK\a
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_diffrn_reflns_av_R_equivalents  0.0560
_diffrn_reflns_av_unetI/netI     0.0388
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            47060
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        67.680
_diffrn_reflns_theta_max         73.750
_diffrn_reflns_theta_min         2.760
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    2.799
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_exptl_absorpt_correction_T_min  0.91559
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.72a (Rigaku Oxford Diffraction, 2022)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.455
_exptl_crystal_description       plate
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.030
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.370
_refine_diff_density_min         -0.577
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details
;
 Flack x determined using 2220 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.008(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     460
_refine_ls_number_reflns         6332
_refine_ls_number_restraints     570
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0555P)^2^+0.4441P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0905
_refine_ls_wR_factor_ref         0.0948
_reflns_Friedel_coverage         0.780
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.981
_reflns_number_gt                5673
_reflns_number_total             6332
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4ce01048e2.cif
_cod_data_source_block           4ap21-deh-110C
_cod_depositor_comments
'Adding full bibliography for 7249606--7249610.cif.'
_cod_database_code               7249610
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.921
_shelx_estimated_absorpt_t_max   0.946
_shelx_res_checksum              90612
_shelx_hkl_checksum              51812