Low-dimensional hydrogen-bonded structures in the 1:1 and 1:2 proton-transfer compounds of 4,5-dichlorophthalic acid with the aliphatic Lewis bases triethylamine, diethylamine, <i>n</i>-butylamine and piperidine
Smith, Graham; Wermuth, Urs D.; Acta Crystallographica Section C 66 (2010) o374–o380; doi:10.1107/S0108270110022328

data_2017711
_publ_section_title
;
 Low-dimensional hydrogen-bonded structures in the 1:1 and 1:2
 proton-transfer compounds of 4,5-dichlorophthalic acid with the
 aliphatic Lewis bases triethylamine, diethylamine, <i>n</i>-butylamine
 and piperidine
;
_journal_coeditor_code           GD3347
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o374
_journal_page_last               o380
_journal_paper_doi               10.1107/S0108270110022328
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          '2C4 H12 N +, C8 H2 Cl2 O4 2-, H2 O'
_chemical_formula_moiety         '2(C4 H12 N +), C8 H2 Cl2 O4 2-, H2 O'
_chemical_formula_sum            'C16 H28 Cl2 N2 O5'
_chemical_formula_weight         399.30
_chemical_melting_point          457
_chemical_name_common
;
n-butylaminium 4,5-dichlorophthalate monohydrate
;
_chemical_name_systematic
;
bis(butanaminium) 4,5-dichlorobenzene-1,2-dicarboxylate monohydrate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                78.678(7)
_cell_angle_beta                 85.846(6)
_cell_angle_gamma                67.777(9)
_cell_formula_units_Z            2
_cell_length_a                   8.1362(6)
_cell_length_b                   9.3043(11)
_cell_length_c                   15.4060(10)
_cell_measurement_reflns_used    6406
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      32.49
_cell_measurement_theta_min      2.95
_cell_volume                     1058.62(18)
_computing_cell_refinement
'<i>CrysAlis PRO</i> (Oxford Diffraction, 2009)'
_computing_data_collection
'<i>CrysAlis PRO</i> (Oxford Diffraction, 2009)'
_computing_data_reduction
'<i>CrysAlis PRO</i> (Oxford Diffraction, 2009)'
_computing_molecular_graphics    '<i>PLATON</i> (Spek, 2009)'
_computing_publication_material  '<i>PLATON</i> (Spek, 2009)'
_computing_structure_refinement
'<i>SHELXL97</i> (Sheldrick, 2008) within <i>WinGX</i> (Farrugia, 1999)'
_computing_structure_solution    '<i>SIR92</i> (Altomare <i>et al.</i>, 1994)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 16.077
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
'Oxford Diffraction Gemini-S CCD-detector diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0409
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15869
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.95
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.332
_exptl_absorpt_correction_T_max  0.940
_exptl_absorpt_correction_T_min  0.865
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.253
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.410
_refine_diff_density_min         -0.294
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.179
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     260
_refine_ls_number_reflns         4851
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.179
_refine_ls_R_factor_all          0.0575
_refine_ls_R_factor_gt           0.0455
_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^)+(0.0837P)^2^+0.0287P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1385
_refine_ls_wR_factor_ref         0.1445
_reflns_number_gt                3858
_reflns_number_total             4851
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gd3347.cif
_cod_data_source_block           III
_cod_database_code               2017711
_cod_database_fobs_code          2017711