4-Carbamoylpyridinium perchlorate
Chen, Li-Zhuang; Acta Crystallographica Section E 65 (2009) o2626–; doi:10.1107/S1600536809039026

data_2224064
_publ_section_title
;
 4-Carbamoylpyridinium perchlorate
;
_journal_coeditor_code           XU2591
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2626
_journal_paper_doi               10.1107/S1600536809039026
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C6 H7 N2 O +, Cl O4 -'
_chemical_formula_moiety         'C6 H7 N2 O +, Cl O4 -'
_chemical_formula_sum            'C6 H7 Cl N2 O5'
_chemical_formula_weight         222.59
_chemical_name_systematic
;
4-Carbamoylpyridinium 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                 99.37(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.935(2)
_cell_length_b                   10.082(2)
_cell_length_c                   8.2021(16)
_cell_measurement_reflns_used    1421
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      3.23
_cell_volume                     892.2(3)
_computing_cell_refinement       'CrystalClear (Rigaku, 2005)'
_computing_data_collection       'CrystalClear (Rigaku, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku, 2005)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 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 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku SCXmini'
_diffrn_measurement_method       \w
_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  0.0743
_diffrn_reflns_av_sigmaI/netI    0.0567
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            8863
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.23
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.427
_exptl_absorpt_correction_T_max  0.90
_exptl_absorpt_correction_T_min  0.87
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.657
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.419
_refine_diff_density_min         -0.422
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         2033
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0898
_refine_ls_R_factor_gt           0.0643
_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^)+(0.0844P)^2^+0.3072P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1580
_refine_ls_wR_factor_ref         0.1760
_reflns_number_gt                1421
_reflns_number_total             2033
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu2591.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2224064
_cod_database_fobs_code          2224064