4,4'-Bis(<i>N</i>,<i>N</i>-diethylamino)-2,2'-bipyridine
Pablo Alborés; Luis M. Baraldo; Ibañez, Andrés; Ricardo Baggio; Acta Crystallographica Section C 60 (2004) o850–o852; doi:10.1107/S0108270104025077

data_2014469
_publ_section_title
;
 4,4'-Bis(<i>N</i>,<i>N</i>-diethylamino)-2,2'-bipyridine
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o850
_journal_page_last               o852
_journal_paper_doi               10.1107/S0108270104025077
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C18 H26 N4'
_chemical_formula_moiety         'C18 H26 N4'
_chemical_formula_sum            'C18 H26 N4'
_chemical_formula_weight         298.43
_chemical_name_systematic
;
4,4'-Bis(N,N-diethylamino)-2,2'-bipyridine
;
_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                 98.754(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.0642(12)
_cell_length_b                   11.0554(12)
_cell_length_c                   14.3447(15)
_cell_measurement_reflns_used    274
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.43
_cell_measurement_theta_min      3.12
_cell_volume                     1734.2(3)
_computing_cell_refinement       SMART-NT
_computing_data_collection       'SMART-NT (Bruker, 2001)'
_computing_data_reduction        'SAINT-NT (Bruker, 2000)'
_computing_molecular_graphics    'XP in SHELXTL/PC (Sheldrick, 1994)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.072
_diffrn_reflns_av_sigmaI/netI    0.050
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3053
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.143
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.880
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3053
_refine_ls_number_restraints     16
_refine_ls_restrained_S_all      0.880
_refine_ls_R_factor_all          0.1358
_refine_ls_R_factor_gt           0.0675
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc  w= 1/[\s^2^(Fo^2^)+(0.0572P)^2^+1.468P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1375
_refine_ls_wR_factor_ref         0.1726
_reflns_number_gt                1646
_reflns_number_total             3053
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fg1772.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (8 times).

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

The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (8
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (2 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2014469
_cod_database_fobs_code          2014469