1,4-Dimethyl-1,5,6,7-tetrahydro-2<i>H</i>-cyclopenta[<i>b</i>]pyridin-2-one
Dmitry V. Albov; Victor B. Rybakov; Eugene V. Babaev; Leonid A. Aslanov; Acta Crystallographica Section E 60 (2004) o922–o923; doi:10.1107/S1600536804010025

data_2203643
_publ_section_title
;
 1,4-Dimethyl-1,5,6,7-tetrahydro-2<i>H</i>-cyclopenta[<i>b</i>]pyridin-2-one
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o922
_journal_page_last               o923
_journal_paper_doi               10.1107/S1600536804010025
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C10 H13 N O'
_chemical_formula_moiety         'C10 H13 N O'
_chemical_formula_sum            'C10 H13 N O'
_chemical_formula_weight         163.21
_chemical_melting_point          383
_chemical_name_systematic
;
1,4-dimethyl-1,5,6,7-tetrahydro-2H-cyclopenta[b]pyridin-2-one
;
_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                 121.233(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7125(15)
_cell_length_b                   6.8262(16)
_cell_length_c                   15.285(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      33
_cell_measurement_theta_min      30
_cell_volume                     866.5(3)
_computing_cell_refinement       'CAD-4 EXPRESS (Enraf--Nonius, 1994)'
_computing_data_collection       'CAD-4 EXPRESS'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 1997)
;
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       'non-profiled \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_av_R_equivalents  0.0007
_diffrn_reflns_av_sigmaI/netI    0.0234
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1740
_diffrn_reflns_theta_full        74.89
_diffrn_reflns_theta_max         74.89
_diffrn_reflns_theta_min         5.33
_diffrn_standards_decay_%        2
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  60
_diffrn_standards_number         1
_exptl_absorpt_coefficient_mu    0.639
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.251
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.181
_refine_diff_density_min         -0.158
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.870
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         1740
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.879
_refine_ls_R_factor_all          0.0471
_refine_ls_R_factor_gt           0.0448
_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^)+(0.0733P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1030
_refine_ls_wR_factor_ref         0.1033
_reflns_number_gt                1183
_reflns_number_total             1740
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            na6323.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2203643