<i>N</i>,<i>N</i>-Dimethyl-<i>N</i>'-[(1<i>E</i>,2<i>E</i>)-3-(4-nitrophenyl)prop-2-enylidene]benzene-1,4-diamine and <i>N</i>,<i>N</i>-dimethyl-4-[(1<i>E</i>,3<i>E</i>)-4-(4-nitrophenyl)buta-1,3-dienyl]-1-naphthylamine
Nesterov, Volodymyr V.; Suina, Andrea; Antipin, Mikhail Yu.; Timofeeva, Tatiana V.; Barlow, Stephen; Marder, Seth R.; Acta Crystallographica Section C 59 (2003) o625–o628; doi:10.1107/S0108270103020985

data_2013587
_publ_section_title
;<i>N</i>,<i>N</i>-Dimethyl-<i>N</i>'-[(1<i>E</i>,2<i>E</i>)-3-(4-nitrophenyl)prop-2-enylidene]benzene-1,4-diamine
 and
 <i>N</i>,<i>N</i>-dimethyl-4-[(1<i>E</i>,3<i>E</i>)-4-(4-nitrophenyl)buta-1,3-dienyl]-1-naphthylamine
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o625
_journal_page_last               o628
_journal_paper_doi               10.1107/S0108270103020985
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C22 H20 N2 O2'
_chemical_formula_moiety         'C22 H20 N2 O2'
_chemical_formula_sum            'C22 H20 N2 O2'
_chemical_formula_weight         344.40
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                79.933(8)
_cell_angle_beta                 81.754(8)
_cell_angle_gamma                84.103(8)
_cell_formula_units_Z            2
_cell_length_a                   6.7383(10)
_cell_length_b                   10.3948(16)
_cell_length_c                   12.8735(19)
_cell_measurement_reflns_used    320
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      24
_cell_measurement_theta_min      4
_cell_volume                     875.8(2)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1994)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0243
_diffrn_reflns_av_sigmaI/netI    0.0447
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6053
_diffrn_reflns_theta_full        27.03
_diffrn_reflns_theta_max         27.03
_diffrn_reflns_theta_min         2.00
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             364
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.528
_refine_diff_density_min         -0.266
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         3800
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0874
_refine_ls_R_factor_gt           0.0685
_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^)+(0.1177P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1706
_refine_ls_wR_factor_ref         0.1870
_reflns_number_gt                2589
_reflns_number_total             3800
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fr1427.cif
_cod_data_source_block           II
_cod_original_cell_volume        875.9(2)
_cod_database_code               2013587
_cod_database_fobs_code          2013587