2-(Ethoxycarbonyl)pyridinium nitrate
Wang, Yingchun; Acta Crystallographica Section E 66 (2010) o2025–; doi:10.1107/S1600536810025407

data_2226862
_publ_section_title
;
 2-(Ethoxycarbonyl)pyridinium nitrate
;
_journal_coeditor_code           FL2300
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2025
_journal_paper_doi               10.1107/S1600536810025407
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C8 H10 N1 O2 +, N O3 -'
_chemical_formula_moiety         'C8 H10 N1 O2 +, N O3 -'
_chemical_formula_sum            'C8 H10 N2 O5'
_chemical_formula_weight         214.18
_chemical_name_systematic
;
2-(Ethoxycarbonyl)pyridinium nitrate
;
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.55(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.8221(14)
_cell_length_b                   16.208(3)
_cell_length_c                   9.2195(18)
_cell_measurement_reflns_used    3542
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.555
_cell_measurement_theta_min      3.115
_cell_volume                     977.2(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_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku SCXmini diffractometer'
_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  0.0891
_diffrn_reflns_av_sigmaI/netI    0.0761
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            9694
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.31
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.123
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.456
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.2000
_exptl_crystal_size_min          0.2000
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.215
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2226
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.1262
_refine_ls_R_factor_gt           0.0644
_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^)+(0.0720P)^2^+0.2351P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1505
_refine_ls_wR_factor_ref         0.1783
_reflns_number_gt                1287
_reflns_number_total             2226
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            fl2300.cif
_cod_data_source_block           I
_cod_original_cell_volume        977.2(3)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2226862
_cod_database_fobs_code          2226862