Bis(trimethylammonium) naphthalene-1,5-disulfonate
Jin, Yu; Acta Crystallographica Section E 68 (2012) o90–; doi:10.1107/S1600536811052718

data_2233083
_publ_section_title
;
 Bis(trimethylammonium) naphthalene-1,5-disulfonate
;
_journal_coeditor_code           BH2404
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o90
_journal_paper_doi               10.1107/S1600536811052718
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          '2C3 H10 N +, C10 H6 O6 S2 2-'
_chemical_formula_moiety         '2(C3 H10 N +), C10 H6 O6 S2 2-'
_chemical_formula_sum            'C16 H26 N2 O6 S2'
_chemical_formula_weight         406.51
_chemical_name_systematic
;
Bis(trimethylammonium) naphthalene-1,5-disulfonate
;
_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                 105.81(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.3428(17)
_cell_length_b                   10.502(2)
_cell_length_c                   11.742(2)
_cell_measurement_reflns_used    3450
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      55.28
_cell_measurement_theta_min      6.21
_cell_volume                     989.9(4)
_computing_cell_refinement       'CrystalClear (Rigaku, 2005)'
_computing_data_collection       'CrystalClear (Rigaku, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Mercury CCD'
_diffrn_measurement_method       '\w scans'
_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  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0265
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10031
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.19
_exptl_absorpt_coefficient_mu    0.303
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4887
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.280
_refine_diff_density_min         -0.356
_refine_ls_extinction_coef       0.055(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     119
_refine_ls_number_reflns         2265
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0407
_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^)+(0.0505P)^2^+0.3652P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1054
_refine_ls_wR_factor_ref         0.1088
_reflns_number_gt                2016
_reflns_number_total             2265
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bh2404.cif
_cod_data_source_block           I
_cod_original_cell_volume        989.8(3)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2233083
_cod_database_fobs_code          2233083