Crystallisation of organic salts by sublimation: salt formation from the gas phase
Lombard, Jean; Smith, Vincent J.; le Roex, Tanya; Haynes, Delia A.; CrystEngComm 22 (2020) 7826–7831; doi:10.1039/D0CE01470B

data_7241574
_publ_section_title
;
 Crystallisation of organic salts by sublimation: salt formation from the
 gas phase
;
_journal_issue                   45
_journal_name_full               CrystEngComm
_journal_page_first              7826
_journal_page_last               7831
_journal_paper_doi               10.1039/D0CE01470B
_journal_volume                  22
_journal_year                    2020
_chemical_formula_moiety         'C4 H6 O4, 2(C6 H12 N4)'
_chemical_formula_sum            'C16 H30 N8 O4'
_chemical_formula_weight         398.48
_chemical_name_common
;
bis-hexamethylenetetramine succinic acid
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-12-05 deposited with the CCDC.	2020-10-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.170(1)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   21.847(1)
_cell_length_b                   6.9981(4)
_cell_length_c                   26.359(2)
_cell_measurement_reflns_used    7220
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.98
_cell_measurement_theta_min      2.21
_cell_volume                     3939.4(4)
_computing_cell_refinement       'SAINT V8.37A (Bruker, 2016)'
_computing_data_collection       'APEX3 (Bruker, 2017)'
_computing_data_reduction        'SAINT V8.37A (Bruker, 2016)'
_computing_molecular_graphics
'X-seed (Barbour, 2001; Atwood & barbour, 2003)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_type            'Bruker APEX II'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX DUO CCD area-detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multilayer mirror optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0344
_diffrn_reflns_av_unetI/netI     0.0200
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            38167
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.321
_diffrn_reflns_theta_min         1.581
_diffrn_source                   'microfocus sealed tube'
_diffrn_source_type              'Incoatec I\mS microsource'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9406
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, 2016/2'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.476
_exptl_crystal_size_mid          0.122
_exptl_crystal_size_min          0.052
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.173
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         4898
_refine_ls_number_restraints     270
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0532
_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^)+(0.0866P)^2^+3.0071P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1627
_refine_ls_wR_factor_ref         0.1802
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3557
_reflns_number_total             4898
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce01470b2.cif
_cod_data_source_block           1c_RT
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7241574
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.954
_shelx_estimated_absorpt_t_max   0.995
_shelx_res_checksum              19961