2,4-Dimethylanilinium perchlorate
Liang, Wen-Xian; Acta Crystallographica Section E 66 (2010) o1575–; doi:10.1107/S1600536810017253

data_2226669
_publ_section_title
;
 2,4-Dimethylanilinium perchlorate
;
_journal_coeditor_code           SJ2798
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1575
_journal_paper_doi               10.1107/S1600536810017253
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C8 H12 N +, Cl O4 -'
_chemical_formula_moiety         'C8 H12 N +, Cl O4 -'
_chemical_formula_sum            'C8 H12 Cl N O4'
_chemical_formula_weight         221.64
_chemical_name_systematic
;
2,4-Dimethylanilinium perchlorate
;
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.43(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3299(19)
_cell_length_b                   7.1947(14)
_cell_length_c                   15.176(3)
_cell_measurement_reflns_used    1970
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.470
_cell_measurement_theta_min      3.0701
_cell_volume                     1010.1(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  'PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku SCXmini'
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0298
_diffrn_reflns_av_sigmaI/netI    0.0233
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9986
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.14
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.367
_exptl_absorpt_correction_T_max  0.950
_exptl_absorpt_correction_T_min  0.884
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.457
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.4500
_exptl_crystal_size_mid          0.3000
_exptl_crystal_size_min          0.1500
_refine_diff_density_max         0.223
_refine_diff_density_min         -0.384
_refine_ls_extinction_coef       0.00140(10)
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         2318
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0526
_refine_ls_R_factor_gt           0.0442
_refine_ls_shift/su_max_lt       0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0568P)^2^+0.4369P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1171
_refine_ls_wR_factor_ref         0.1220
_reflns_number_gt                1970
_reflns_number_total             2318
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sj2798.cif
_cod_data_source_block           I
_cod_original_cell_volume        1010.2(3)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2226669
_cod_database_fobs_code          2226669