4-Hydroxy-2,2,6,6-tetramethylpiperidinium perchlorate
Cui, Ying; Zhang, Yun-Hui; Zhang, Peng-Wei; Acta Crystallographica Section E 64 (2008) o654–; doi:10.1107/S1600536808002997

data_2217931
_publ_section_title
;
 4-Hydroxy-2,2,6,6-tetramethylpiperidinium perchlorate
;
_journal_coeditor_code           HG2373
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o654
_journal_paper_doi               10.1107/S1600536808002997
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C9 H20 N O +, Cl O4 -'
_chemical_formula_moiety         'C9 H20 N O +, Cl O4 -'
_chemical_formula_sum            'C9 H20 Cl N O5'
_chemical_formula_weight         257.71
_chemical_name_systematic
;
4-Hydroxy-2,2,6,6-tetramethylpiperidinium perchlorate
;
_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                 100.71(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5712(15)
_cell_length_b                   13.927(3)
_cell_length_c                   12.007(2)
_cell_measurement_reflns_used    2824
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      28.110
_cell_measurement_theta_min      2.262
_cell_volume                     1244.0(4)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0463
_diffrn_reflns_av_sigmaI/netI    0.0443
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7480
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.26
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.314
_exptl_absorpt_correction_T_max  0.9876
_exptl_absorpt_correction_T_min  0.9633
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku/MSC, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.376
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.603
_refine_diff_density_min         -0.478
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0451
_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^)+(0.0763P)^2^+0.0376P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1172
_refine_ls_wR_factor_ref         0.1269
_reflns_number_gt                1797
_reflns_number_total             2183
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg2373.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2217931
_cod_database_fobs_code          2217931