Unusual polymorphs of rac-3-phenylpyrrolidine-2,5-dione with Z' = 1, 2, and 3
Timofeeva, Tatiana; Sena, Victoria; Averkiev, Boris; Shabarinath, Bejagam; Usman, Muhammad; Krivoshein, Arcadius V.; CrystEngComm  (2019) –; doi:10.1039/C9CE01100E

data_7234609
_publ_section_title
;
 Unusual polymorphs of rac-3-phenylpyrrolidine-2,5-dione with Z' = 1, 2,
 and 3
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C9CE01100E
_journal_year                    2019
_chemical_formula_moiety         'C10 H9 N O2'
_chemical_formula_sum            'C10 H9 N O2'
_chemical_formula_weight         175.18
_chemical_melting_point          353.2
_chemical_name_systematic        3-phenylpyrrolidine-2,5-dione
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     difmap
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-01-08 deposited with the CCDC.    2019-10-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 107.363(6)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.564(5)
_cell_length_b                   5.7158(19)
_cell_length_c                   20.595(8)
_cell_measurement_reflns_used    3776
_cell_measurement_temperature    215(2)
_cell_measurement_theta_max      25.38
_cell_measurement_theta_min      3.71
_cell_volume                     1748.7(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      215(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0566
_diffrn_reflns_av_unetI/netI     0.0441
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            22399
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.071
_diffrn_reflns_theta_min         2.072
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.6544
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
Olex2 1.2 
(compiled May 18 2018 14:05:52 for OlexSys, GUI svn.r5506) 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_description       plate
_exptl_crystal_F_000             736
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: hexanes/acetone (2:1)'
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         4257
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0757
_refine_ls_R_factor_gt           0.0429
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0398P)^2^+0.2610P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0867
_refine_ls_wR_factor_ref         0.0993
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2869
_reflns_number_total             4257
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ce01100e2.cif
_cod_data_source_block           avk14a
_cod_original_cell_volume        1748.6(10)
_cod_database_code               7234609
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.981
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              1446