<i>N</i>,<i>N</i>'-Dimethyl-<i>N</i>,<i>N</i>'-diphenylethylenediamine
Lennartson, Anders; Kokoli, Theonitsa; Håkansson, Mikael; Acta Crystallographica Section E 61 (2005) o2904–o2906; doi:10.1107/S1600536805025298

data_2206685
_publ_section_title
;
 <i>N</i>,<i>N</i>'-Dimethyl-<i>N</i>,<i>N</i>'-diphenylethylenediamine
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2904
_journal_page_last               o2906
_journal_paper_doi               10.1107/S1600536805025298
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C16 H20 N2'
_chemical_formula_moiety         'C16 H20 N2'
_chemical_formula_sum            'C16 H20 N2'
_chemical_formula_weight         240.34
_chemical_name_systematic        N,N'-dimetyl-N,N'-diphenylethylenediamine
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.428(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.374(2)
_cell_length_b                   10.302(4)
_cell_length_c                   10.447(4)
_cell_measurement_reflns_used    4655
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2.78
_cell_volume                     685.8(4)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku, 2000)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and PLUTON (Spek, 2003)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      291(2)
_diffrn_detector_area_resol_mean 105
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Rigaku R-AXIS IIC image-plate system'
_diffrn_measurement_method       \f
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0729
_diffrn_reflns_av_sigmaI/netI    0.0562
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4655
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.78
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             260
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.133
_refine_diff_density_min         -0.124
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     122
_refine_ls_number_reflns         1307
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0803
_refine_ls_R_factor_gt           0.0548
_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^)+(0.088P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1400
_refine_ls_wR_factor_ref         0.1551
_reflns_number_gt                987
_reflns_number_total             1307
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            er6023.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2206685
_cod_database_fobs_code          2206685