1,3-Dibenzyl-2-phenylperhydropyrimidine
Xia, H.-T.; Liu, Y.-F.; Wang, D.-Q.; Gao, W.; Acta Crystallographica Section E 63 (2007) o3665–o3665; doi:10.1107/S1600536807036859

data_2215289
_publ_section_title
;
 1,3-Dibenzyl-2-phenylperhydropyrimidine
;
_journal_coeditor_code           WN2159
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3665
_journal_page_last               o3665
_journal_paper_doi               10.1107/S1600536807036859
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C24 H26 N2'
_chemical_formula_moiety         'C24 H26 N2'
_chemical_formula_sum            'C24 H26 N2'
_chemical_formula_weight         342.47
_chemical_name_systematic
;
1,3-Dibenzyl-2-phenylperhydropyrimidine
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 98.304(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.0912(11)
_cell_length_b                   16.900(2)
_cell_length_c                   19.621(3)
_cell_measurement_reflns_used    926
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      18.639
_cell_measurement_theta_min      2.407
_cell_volume                     1998.6(5)
_computing_cell_refinement       <i>SMART</i>
_computing_data_collection       '<i>SMART</i> (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0730
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_diffrn_reflns_limit_h_max       6
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_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            9972
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.60
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  0.9901
_exptl_absorpt_correction_T_min  0.9772
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.138
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.126
_refine_diff_density_min         -0.138
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.753
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         3522
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.753
_refine_ls_R_factor_all          0.1466
_refine_ls_R_factor_gt           0.0445
_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^)+(0.0279P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0757
_refine_ls_wR_factor_ref         0.0943
_reflns_number_gt                1341
_reflns_number_total             3522
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wn2159.cif
_cod_data_source_block           I
_cod_original_cell_volume        1998.7(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2215289
_cod_database_fobs_code          2215289