2-[4-(Diethylamino)benzylidene]malononitrile
Jing, Yi; Yu, Luo-Ting; Acta Crystallographica Section E 67 (2011) o1556–; doi:10.1107/S1600536811019295

data_2230509
_publ_section_title
;
 2-[4-(Diethylamino)benzylidene]malononitrile
;
_journal_coeditor_code           VM2094
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1556
_journal_paper_doi               10.1107/S1600536811019295
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C14 H15 N3'
_chemical_formula_moiety         'C14 H15 N3'
_chemical_formula_sum            'C14 H15 N3'
_chemical_formula_weight         225.29
_chemical_name_common
;
2-[4-(Diethylamino)benzylidene]malononitrile
;
_chemical_name_systematic
;
2-{[4-(diethylamino)phenyl]methylidene}propanedinitrile
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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
;
  Olex2 1.1
  (compiled 2011.02.15 svn.r1672, GUI svn.r3494)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.846(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2187(2)
_cell_length_b                   9.4914(2)
_cell_length_c                   14.5384(4)
_cell_measurement_reflns_used    4336
_cell_measurement_temperature    150.0
_cell_measurement_theta_max      29.1855
_cell_measurement_theta_min      3.0892
_cell_volume                     1260.18(5)
_computing_cell_refinement
;
CrysAlis PRO (Oxford Diffraction, 2006)
;
_computing_data_collection
;
CrysAlis PRO (Oxford Diffraction, 2006)
;
_computing_data_reduction
;
CrysAlis PRO (Oxford Diffraction, 2006)
;
_computing_molecular_graphics
;
OLEX2 (Dolomanov <i>et al.</i>, 2009) and Mercury (Macrae <i>et al.</i>,
2006)
;
_computing_publication_material
;
OLEX2 (Dolomanov <i>et al.</i>, 2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150.0
_diffrn_detector_area_resol_mean 16.0874
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0224
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10075
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.10
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.99658
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis PRO; Oxford Diffraction, 2006)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.187
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.179
_refine_diff_density_min         -0.178
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         2577
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0378
_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^)+(0.0409P)^2^+0.2819P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0884
_refine_ls_wR_factor_ref         0.0946
_reflns_number_gt                2151
_reflns_number_total             2577
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            vm2094.cif
_cod_data_source_block           I
_cod_original_cell_volume        1260.17(6)
_cod_database_code               2230509
_cod_database_fobs_code          2230509