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_7234610
_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_name_systematic        rac-3-phenylpyrrolidin-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   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2019-08-06
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-10-03 deposited with the CCDC.    2019-10-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 107.533(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.575(6)
_cell_length_b                   5.711(2)
_cell_length_c                   20.567(8)
_cell_measurement_reflns_used    3740
_cell_measurement_temperature    175
_cell_measurement_theta_max      23.852
_cell_measurement_theta_min      3.716
_cell_volume                     1744.4(11)
_computing_cell_refinement       'SAINT v8.27A (Bruker, 2012)'
_computing_data_reduction        'SAINT v8.27A (Bruker, 2012)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      175
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0516
_diffrn_reflns_av_unetI/netI     0.0339
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            15783
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        24.116
_diffrn_reflns_theta_max         24.116
_diffrn_reflns_theta_min         2.743
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.7450
_exptl_absorpt_correction_T_min  0.6463
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2012/1 (Bruker,2012) was used for absorption correction. wR2(int) was 0.0642 before and 0.0470 after correction. The Ratio of minimum to maximum transmission is 0.8675. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_description       plate
_exptl_crystal_F_000             736
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: ethanol'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.177
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         2756
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0497
_refine_ls_R_factor_gt           0.0331
_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^)+(0.0430P)^2^+0.2338P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0773
_refine_ls_wR_factor_ref         0.0850
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2158
_reflns_number_total             2756
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ce01100e2.cif
_cod_data_source_block           PII_175K
_cod_original_cell_volume        1744.5(12)
_cod_database_code               7234610
_shelx_shelxl_version_number     2017/1
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Ternary CH refined with riding coordinates:
 C3(H3), C3A(H3A)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C2A(H2AA,H2AB)
2.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C8(H8), C9(H9), C10(H10), C6A(H6A), C7A(H7A), C8A(H8A),
 C9A(H9A), C10A(H10A)
;
_shelx_res_checksum              48809
_olex2_submission_original_sample_id AVK14F3
_olex2_submission_special_instructions 'No special instructions were received'