4-[<i>N,N</i>-Bis(2-cyanoethyl)amino]pyridine
Ni Jun; Li, Yi-Zhi; Qi, Wen-Bin; Liu, Yong-Jiang; Chen, Hui-Lan; Wang, Zhi-Lin; Acta Crystallographica Section C 59 (2003) o470–o472; doi:10.1107/S0108270103012630

data_2013490
_publ_section_title
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 4-[<i>N,N</i>-Bis(2-cyanoethyl)amino]pyridine
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_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o470
_journal_page_last               o472
_journal_paper_doi               10.1107/S0108270103012630
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C11 H12 N4'
_chemical_formula_moiety         'C11 H12 N4'
_chemical_formula_sum            'C11 H12 N4'
_chemical_formula_weight         200.25
_chemical_melting_point          481.9(8)
_chemical_name_common            4-[N,N-bis(2-cyanoethyl)amino]pyridine
_chemical_name_systematic
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3,3'-(4-pyridylimino)dipropanenitrile
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 92.120(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.355(4)
_cell_length_b                   8.321(2)
_cell_length_c                   8.264(2)
_cell_measurement_reflns_used    756
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.11
_cell_measurement_theta_min      2.47
_cell_volume                     1055.2(5)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART APEX 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  0.0257
_diffrn_reflns_av_sigmaI/netI    0.0202
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2589
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.65
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.261
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.162
_refine_diff_density_min         -0.179
_refine_ls_extinction_coef       0.129(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXTL
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     71
_refine_ls_number_reflns         922
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0440
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.02P)^2^+1.20P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0925
_refine_ls_wR_factor_ref         0.0937
_reflns_number_gt                820
_reflns_number_total             922
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ob1120.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '481.1-482.7' was changed to
'481.9(8)' - the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '481.1-482.7' was changed to
'481.9(8)' - the average value was taken and precision was
estimated.

'_symmetry_cell_setting' value 'Monoclinic' changed to
'monoclinic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2013490
_cod_database_fobs_code          2013490