2-(4-Carboxypiperidinium-1-yl)pyridine-3-carboxylate
Fan, Ping; Ge, Chunhua; Sun, Mingjun; Li, Weiwei; Shang, Runshan; Acta Crystallographica Section E 68 (2012) o913–; doi:10.1107/S1600536812005752

data_2233911
_publ_section_title
;
 2-(4-Carboxypiperidinium-1-yl)pyridine-3-carboxylate
;
_journal_coeditor_code           KP2382
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o913
_journal_paper_doi               10.1107/S1600536812005752
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C12 H14 N2 O4'
_chemical_formula_moiety         'C12 H14 N2 O4'
_chemical_formula_sum            'C12 H14 N2 O4'
_chemical_formula_weight         250.25
_chemical_name_systematic
;
2-(4-Carboxypiperidinium-1-yl)pyridine-3-carboxylate
;
_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                 93.57(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.1094(14)
_cell_length_b                   18.667(4)
_cell_length_c                   8.6603(17)
_cell_measurement_reflns_used    361
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.65
_cell_measurement_theta_min      2.53
_cell_volume                     1147.1(4)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_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 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \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  0.0219
_diffrn_reflns_av_sigmaI/netI    0.0239
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6010
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.18
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.964
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.449
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.338
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2237
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0507
_refine_ls_R_factor_gt           0.0423
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0685P)^2^+0.1385P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1129
_refine_ls_wR_factor_ref         0.1184
_reflns_number_gt                1841
_reflns_number_total             2237
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            kp2382.cif
_cod_data_source_block           I
_cod_original_sg_symbol_Hall     -P2ybc
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2233911
_cod_database_fobs_code          2233911