Proton-transfer compounds of isonipecotamide with the aromatic dicarboxylic acids 4-nitrophthalic, 4,5-dichlorophthalic, 5-nitroisophthalic and terephthalic acid
Smith, Graham; Wermuth, Urs D.; Acta Crystallographica Section C 67 (2011) o259–o264; doi:10.1107/S0108270111020518

data_2018160
_publ_section_title
;
 Proton-transfer compounds of isonipecotamide with the aromatic
 dicarboxylic acids 4-nitrophthalic, 4,5-dichlorophthalic,
 5-nitroisophthalic and terephthalic acid
;
_journal_coeditor_code           SU3064
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o259
_journal_page_last               o264
_journal_paper_doi               10.1107/S0108270111020518
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C6 H13 N2 O + , C8 H4 N O6 -'
_chemical_formula_moiety         'C6 H13 N2 O +, C8 H4 N O6 -'
_chemical_formula_sum            'C14 H17 N3 O7'
_chemical_formula_weight         339.31
_chemical_name_common            'isonipecotamide hydrogen 5-nitroisophthalate'
_chemical_name_systematic
;
4-carbamoylpiperidinium 3-carboxy-5-nitrobenzoate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.787(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.4117(4)
_cell_length_b                   14.3552(5)
_cell_length_c                   11.4490(5)
_cell_measurement_reflns_used    4846
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.67
_cell_measurement_theta_min      3.19
_cell_volume                     1502.27(11)
_computing_cell_refinement       'CrysAlis PRO (Oxford Diffraction, 2009)'
_computing_data_collection       'CrysAlis PRO (Oxford Diffraction, 2009)'
_computing_data_reduction        'CrysAlis PRO (Oxford Diffraction, 2009)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement
;
SHELXL97 (Sheldrick, 2008) within WinGX (Farrugia, 1999)
;
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>, 1994)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Gemini-S CCD area-detector'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0305
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9866
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.38
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.122
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis PRO; Oxford Diffraction, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.500
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.241
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         2940
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0694P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1010
_refine_ls_wR_factor_ref         0.1064
_reflns_number_gt                2284
_reflns_number_total             2940
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            su3064.cif
_cod_data_source_block           III
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2018160
_cod_database_fobs_code          2018160