1-(3-Pyridyl)pyrrolidine-2,5-dione
Hou, Hong-Bo; Liu, Yi-Ming; Yang, Luan-Fang; Acta Crystallographica Section E 65 (2009) o3054–; doi:10.1107/S1600536809046522

data_2224195
_publ_section_title
;
 1-(3-Pyridyl)pyrrolidine-2,5-dione
;
_journal_coeditor_code           FB2172
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3054
_journal_paper_doi               10.1107/S1600536809046522
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C9 H8 N2 O2'
_chemical_formula_moiety         'C9 H8 N2 O2'
_chemical_formula_sum            'C9 H8 N2 O2'
_chemical_formula_weight         176.17
_chemical_name_systematic
;
1-(3-Pyridyl)pyrrolidine-2,5-dione
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.137(8)
_cell_length_b                   10.838(6)
_cell_length_c                   6.831(4)
_cell_measurement_reflns_used    852
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.52
_cell_volume                     898.6(9)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        'SAINT (Bruker, 2002)'
_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_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \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  0.0731
_diffrn_reflns_av_sigmaI/netI    0.0467
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            3927
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.52
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9841
_exptl_absorpt_correction_T_min  0.9767
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             368
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.110
_refine_diff_density_min         -0.101
_refine_ls_abs_structure_details
;
;
_refine_ls_extinction_coef       0.128(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    32
_refine_ls_number_parameters     119
_refine_ls_number_reflns         852
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.0461
_refine_ls_R_factor_gt           0.0329
_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^)+(0.0287P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0650
_refine_ls_wR_factor_ref         0.0692
_reflns_number_gt                672
_reflns_number_total             852
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fb2172.cif
_cod_data_source_block           I
_cod_database_code               2224195
_cod_database_fobs_code          2224195