Proton-transfer and non-transfer in compounds of quinoline and quinaldic acid with <small>L</small>-tartaric acid
Graham Smith; Urs D. Wermuth; Jonathan M. White; Acta Crystallographica Section C 62 (2006) o694–o698; doi:10.1107/S0108270106045136

data_2015703
_publ_section_title
;
 Proton-transfer and non-transfer in compounds of quinoline and
 quinaldic acid with <small>L</small>-tartaric acid
;
_journal_coeditor_code           SF3023
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o694
_journal_page_last               o698
_journal_paper_doi               10.1107/S0108270106045136
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          '2C10 H7 N O2, C4 H6 O6'
_chemical_formula_moiety         '2(C10 H7 N O2), C4 H6 O6'
_chemical_formula_sum            'C24 H20 N2 O10'
_chemical_formula_weight         496.42
_chemical_melting_point          469.9(8)
_chemical_name_common            'quinaldic acid-L-(+)-tartaric acid (2/1)'
_chemical_name_systematic
;
bis(quinolinium-2-carboxylate) (2R,3R)-tartaric acid
;
_space_group_IT_number           1
_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 (Sheldrick, 1997)'
_cell_angle_alpha                100.950(5)
_cell_angle_beta                 98.903(6)
_cell_angle_gamma                106.388(5)
_cell_formula_units_Z            1
_cell_length_a                   4.9730(12)
_cell_length_b                   10.446(3)
_cell_length_c                   11.655(4)
_cell_measurement_reflns_used    2448
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.42
_cell_volume                     556.2(3)
_computing_cell_refinement       'SAINT ?? (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  PLATON
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997) in WinGX'
_computing_structure_solution
'SHELXS97 (Sheldrick, 1997) in WinGX (Farrugia, 1999)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0117
_diffrn_reflns_av_sigmaI/netI    0.0303
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3500
_diffrn_reflns_theta_full        27.3
_diffrn_reflns_theta_max         27.3
_diffrn_reflns_theta_min         1.82
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    0.117
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.95
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1999)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.482
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'cut block'
_exptl_crystal_F_000             258
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.170
_refine_diff_density_min         -0.261
_refine_ls_abs_structure_details 'Flack (1983), ? Friedel pairs'
_refine_ls_abs_structure_Flack   -0.4(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         2517
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0422
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0695P)^2^+ 0.0367P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1051
_reflns_number_gt                2481
_reflns_number_total             2517
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sf3023.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '469.1--470.7' was changed to
'469.9(8)' - the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '469.1--470.7' was changed to
'469.9(8)' - the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               2015703
_cod_database_fobs_code          2015703