Hydrogen-bonded frameworks of bis(2-carboxypyridinium) hexafluorosilicate and bis(2-carboxyquinolinium) hexafluorosilicate dihydrate
Gelmboldt, Vladimir O.; Ganin, Eduard V.; Domasevitch, Konstantin V.; Acta Crystallographica Section C 63 (2007) o530–o534; doi:10.1107/S0108270107035469

data_2016152
_publ_section_title
;
 Hydrogen-bonded frameworks of bis(2-carboxypyridinium)
 hexafluorosilicate and bis(2-carboxyquinolinium) hexafluorosilicate
 dihydrate
;
_journal_coeditor_code           GG3102
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o530
_journal_page_last               o534
_journal_paper_doi               10.1107/S0108270107035469
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '2C6 H6 N O2 + , Si F6 2-'
_chemical_formula_moiety         '2C6 H6 N O2 + , F6 Si 2-'
_chemical_formula_sum            'C12 H12 F6 N2 O4 Si'
_chemical_formula_weight         390.33
_chemical_name_systematic
;
bis(2-carboxypyridinium) hexafluorosilicate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.943(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.3571(9)
_cell_length_b                   7.8717(6)
_cell_length_c                   9.8053(8)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.18
_cell_measurement_theta_min      5.18
_cell_volume                     721.81(11)
_computing_cell_refinement       'IPDS Software'
_computing_data_collection       'IPDS Software (Stoe & Cie, 2000)'
_computing_data_reduction        'IPDS Software'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1999)'
_computing_publication_material  'WinGX (Version 1.700.00; Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       '\f oscillation'
_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  0.0585
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            9005
_diffrn_reflns_theta_full        29.18
_diffrn_reflns_theta_max         29.18
_diffrn_reflns_theta_min         5.18
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.259
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.796
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.385
_refine_diff_density_min         -0.341
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     115
_refine_ls_number_reflns         1935
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0395
_refine_ls_R_factor_gt           0.0325
_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^)+(0.052P)^2^+0.1245P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0898
_refine_ls_wR_factor_ref         0.0923
_reflns_number_gt                1646
_reflns_number_total             1935
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gg3102.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2016152
_cod_database_fobs_code          2016152