Formation of multi-component crystals with a series of pyridinium-carboxyacrylate zwitterions
Lombard, Jean; Loots, Leigh; le Roex, Tanya; Haynes, Delia A.; CrystEngComm 20 (2018) 25–; doi:10.1039/C7CE01953J

data_7229688
_publ_section_title
;
 Formation of multi-component crystals with a series of
 pyridinium-carboxyacrylate zwitterions
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              25
_journal_paper_doi               10.1039/C7CE01953J
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C10 H7 N2 O5, C3 H7 N6, 2(H2 O)'
_chemical_formula_sum            'C13 H18 N8 O7'
_chemical_formula_weight         398.35
_chemical_name_systematic
;
1,3,5-triazine-2,4,6-triamine (Z)-2-(3-carbamoylpyridin-1-ium-1-yl)
-1,1-dihydroxybut-2-en-1-ideoate dihydrate
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-11-28 deposited with the CCDC.
2017-11-29 downloaded from the CCDC.
;
_cell_angle_alpha                71.530(2)
_cell_angle_beta                 86.574(3)
_cell_angle_gamma                89.673(3)
_cell_formula_units_Z            2
_cell_length_a                   5.7312(5)
_cell_length_b                   12.3326(10)
_cell_length_c                   12.8974(11)
_cell_measurement_reflns_used    3835
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.68
_cell_measurement_theta_min      3.24
_cell_volume                     863.01(13)
_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-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS-2013/1 (Sheldrick, 2016)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_type            'Bruker APEX II'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX SMART CCD area-detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'multilayer mirror optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0383
_diffrn_reflns_av_unetI/netI     0.0533
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12027
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.806
_diffrn_reflns_theta_min         2.767
_diffrn_source                   'microfocus sealed tube'
_diffrn_source_type              'INCOATEC I\ms HB'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.126
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9481
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, 2014/5'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.236
_exptl_crystal_size_mid          0.108
_exptl_crystal_size_min          0.067
_refine_diff_density_max         0.628
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.103
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         4460
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.1008
_refine_ls_R_factor_gt           0.0719
_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^)+(0.0288P)^2^+1.2353P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1331
_refine_ls_wR_factor_ref         0.1448
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3311
_reflns_number_total             4460
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ce01953j2.cif
_cod_data_source_block           1Melamine
_cod_depositor_comments
'Adding full bibliography for 7229684--7229689.cif.'
_cod_database_code               7229688
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.971
_shelx_estimated_absorpt_t_max   0.992
_shelx_res_checksum              5677