Absolute Configuration and Polymorphism of 2-Phenylbutyramide and α-Methyl-α-phenylsuccinimide
Khrustalev, Victor N.; Sandhu, Bhupinder; Bentum, Samuel; Fonari, Alexandr; Krivoshein, Arcadius V.; Timofeeva, Tatiana V.; Crystal Growth & Design 14 (2014) 3360–; doi:10.1021/cg500284q

data_4511393
_publ_section_title
;
 Absolute Configuration and Polymorphism of 2-Phenylbutyramide and
 \a-Methyl-\a-phenylsuccinimide
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3360
_journal_paper_doi               10.1021/cg500284q
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C11 H11 N O2'
_chemical_formula_sum            'C11 H11 N O2'
_chemical_formula_weight         189.21
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.308(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.3699(9)
_cell_length_b                   22.592(3)
_cell_length_c                   11.7988(15)
_cell_measurement_reflns_used    8719
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      30.27
_cell_measurement_theta_min      2.50
_cell_volume                     1964.5(4)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0199
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            25061
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         0.90
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.974
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.210
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         5725
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0637
_refine_ls_R_factor_gt           0.0490
_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^)+(0.072P)^2^+0.306P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1314
_refine_ls_wR_factor_ref         0.1406
_reflns_number_gt                4559
_reflns_number_total             5725
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg500284q_si_001.cif
_cod_data_source_block           rac-2
_cod_depositor_comments
'Adding full bibliography for 4511390--4511397.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4511393