Structural Studies of Enantiomers, Racemates, and Quasiracemates: N-(4-Methylbenzoyl)methylbenzylamine andN-(4-Nitrobenzoyl)methylbenzylamine
Hendi, Mukta S.; Hooter, Paul; Davis, Raymond E.; Lynch, Vincent M.; Wheeler, Kraig A.; Crystal Growth & Design 4 (2004) 95–; doi:10.1021/cg0341353

data_4505291
_publ_section_title
;
 Structural Studies of Enantiomers, Racemates, and
 Quasiracemates:&#x2009;N-(4-Methylbenzoyl)methylbenzylamine
 andN-(4-Nitrobenzoyl)methylbenzylamine
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              95
_journal_paper_doi               10.1021/cg0341353
_journal_volume                  4
_journal_year                    2004
_chemical_formula_sum            'C16 H17 N O'
_chemical_formula_weight         239.31
_chemical_name_systematic
;
 (rac)-N-(4-Methylbenzoyl)-a-methylbenzylamine
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.3320(10)
_cell_length_b                   9.7310(10)
_cell_length_c                   22.9260(10)
_cell_measurement_temperature    298(2)
_cell_volume                     2751.2(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.411
_diffrn_measured_fraction_theta_max 0.411
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0245
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       2
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            1350
_diffrn_reflns_theta_full        26.71
_diffrn_reflns_theta_max         26.71
_diffrn_reflns_theta_min         2.09
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.072
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.156
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.79
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.122
_refine_diff_density_min         -0.129
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         1350
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0488
_refine_ls_R_factor_gt           0.0336
_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^)+(0.0346P)^2^+0.8495P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0752
_refine_ls_wR_factor_ref         0.0866
_reflns_number_gt                1115
_reflns_number_total             1350
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg0341353si20030718_015021.cif
_cod_data_source_block           S:cmpd_rac-1
_cod_original_sg_symbol_H-M      Pca21
_cod_database_code               4505291