##############################################################################
###                                                                        ###
###        Electronic paper (Acta Crystallographica Section E)             ###
###                                                                        ###
##############################################################################
#                                                                            #
# This CIF contains the data in a paper accepted for publication in Acta     #
# Crystallographica Section E. It conforms to the requirements of Notes      #
# for Authors for Section E, and has been peer reviewed under the auspices   #
# of the IUCr Commission on Journals.                                        #
#                                                                            #
# Full details of the Crystallographic Information File format               #
# are given in the paper "The Crystallographic Information File (CIF):       #
# a New Standard Archive File for Crystallography" by S. R. Hall, F. H.      #
# Allen and I. D. Brown [Acta Cryst. (1991), A47, 655-685].                  #
#                                                                            #
# The current version of the core CIF dictionary is obtainable from          #
# ftp://ftp.iucr.org/pub/cif_core.dic. The current version number is 2.1.    #
#                                                                            #
# Software is freely available for graphical display of the structure(s) in  #
# this CIF.  For information consult the CIF home page http://www.iucr.org/  #
# cif/home.html                                                              #
#                                                                            #
#            Copyright International Union of Crystallography                #
#                                                                            #
##############################################################################
                                             
data_I
_audit_creation_method     SHELXL-97
_chemical_name_systematic
;
Bis[μ-2-(phenylamido)pyridine]bis{[2-(phenylamino)pyridine]lithium(I)}
;
_chemical_name_common     ?
_chemical_formula_moiety     'C44 H38 Li2 N8'
_chemical_formula_sum     'C44 H38 Li2 N8'
_chemical_formula_iupac     '[Li2 (C11 H9 N2)2 (C11 H10 N2)2]'
_chemical_formula_weight     692.70
_chemical_melting_point     ?
_symmetry_cell_setting     triclinic
_symmetry_space_group_name_H-M     'P -1'
loop_
    _symmetry_equiv_pos_as_xyz
    'x, y, z'
    '-x, -y, -z'
_cell_length_a     8.7031(8)
_cell_length_b     10.3718(10)
_cell_length_c     11.5289(11)
_cell_angle_alpha     116.715(2)
_cell_angle_beta     92.739(2)
_cell_angle_gamma     91.216(2)
_cell_volume     927.46(15)
_cell_formula_units_Z     1
_cell_measurement_reflns_used     3543
_cell_measurement_theta_min     2.20
_cell_measurement_theta_max     28.54
_cell_measurement_temperature     160(2)
_exptl_crystal_description     plate
_exptl_crystal_colour     yellow
_exptl_crystal_size_max     0.70
_exptl_crystal_size_mid     0.52
_exptl_crystal_size_min     0.08
_exptl_crystal_density_diffrn     1.240
_exptl_crystal_density_meas     ?
_exptl_crystal_density_method     'not measured'
_exptl_crystal_F_000     364
_exptl_absorpt_coefficient_mu     0.075
_exptl_absorpt_correction_type     none
_exptl_absorpt_process_details     ?
_exptl_absorpt_correction_T_min     ?
_exptl_absorpt_correction_T_max     ?
_exptl_special_details
;
;
_diffrn_ambient_temperature     160(2)
_diffrn_radiation_type     MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_source     'sealed tube'
_diffrn_radiation_monochromator     graphite
_diffrn_measurement_device_type     'Bruker SMART 1K CCD'
_diffrn_measurement_method     'thin-slice ω'
_diffrn_detector_area_resol_mean     8.192
_diffrn_reflns_number     5683
_diffrn_reflns_av_R_equivalents     0.0140
_diffrn_reflns_av_sigmaI/netI     0.0418
_diffrn_reflns_theta_min     1.98
_diffrn_reflns_theta_max     28.59
_diffrn_reflns_theta_full     25.00
_diffrn_measured_fraction_theta_max     0.878
_diffrn_measured_fraction_theta_full     0.983
_diffrn_reflns_limit_h_min     -11
_diffrn_reflns_limit_h_max     11
_diffrn_reflns_limit_k_min     -13
_diffrn_reflns_limit_k_max     11
_diffrn_reflns_limit_l_min     -14
_diffrn_reflns_limit_l_max     14
_diffrn_standards_number     0
_diffrn_standards_interval_count     ?
_diffrn_standards_interval_time     ?
_diffrn_standards_decay_%     ?
_refine_special_details
;
 ?
;
_reflns_number_total     4165
_reflns_number_gt     2868
_reflns_threshold_expression     I>2σ(I)
_refine_ls_structure_factor_coef     Fsqd
_refine_ls_matrix_type     full
_refine_ls_R_factor_all     0.0607
_refine_ls_R_factor_gt     0.0404
_refine_ls_wR_factor_gt     0.0956
_refine_ls_wR_factor_ref     0.1019
_refine_ls_goodness_of_fit_ref     0.923
_refine_ls_restrained_S_all     0.923
_refine_ls_number_reflns     4165
_refine_ls_number_parameters     321
_refine_ls_number_restraints     0
_refine_ls_hydrogen_treatment     refall
_refine_ls_weighting_scheme     calc
_refine_ls_weighting_details
                  'w = 1/[σ²(Fo²)+(0.0563P)²] where P = (Fo²+2Fc²)/3'
_atom_sites_solution_hydrogens     difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary     difmap
_refine_ls_shift/su_max     0.000
_refine_ls_shift/su_mean     0.000
_refine_diff_density_max     0.233
_refine_diff_density_min     -0.198
_refine_ls_extinction_method     SHELXTL
_refine_ls_extinction_coef     0.011(3)
_refine_ls_extinction_expression
                                  'Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^'
loop_
    _atom_type_symbol
    _atom_type_description
    _atom_type_scat_dispersion_real
    _atom_type_scat_dispersion_imag
    _atom_type_scat_source
    'C' 'C' 0.0033 0.0016
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'H' 'H' 0.0000 0.0000
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'Li' 'Li' -0.0003 0.0001
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'N' 'N' 0.0061 0.0033
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
_computing_data_collection     'SMART (Bruker, 2001)'
_computing_cell_refinement     'SAINT (Bruker, 2001)'
_computing_data_reduction     'SAINT'
_computing_structure_solution     'SHELXTL (Sheldrick, 2001)'
_computing_structure_refinement     SHELXTL
_computing_molecular_graphics     SHELXTL
_computing_publication_material     'SHELXTL and local programs'
loop_
    _atom_site_label
    _atom_site_fract_x
    _atom_site_fract_y
    _atom_site_fract_z
    _atom_site_U_iso_or_equiv
    _atom_site_adp_type
    _atom_site_calc_flag
    _atom_site_refinement_flags
    _atom_site_occupancy
    _atom_site_disorder_assembly
    _atom_site_disorder_group
    _atom_site_type_symbol
    Li 0.3855(3) 0.5671(3) 0.5221(2) 0.0406(6) Uani d . 1 . . Li
    N1 0.27806(13) 0.42171(12) 0.56848(11) 0.0317(3) Uani d . 1 . . N
    N2 0.52228(12) 0.50692(11) 0.65280(10) 0.0264(2) Uani d . 1 . . N
    C1 0.14004(17) 0.36108(15) 0.56935(15) 0.0357(3) Uani d . 1 . . C
    H1 0.0743(18) 0.3379(16) 0.4933(15) 0.044(4) Uiso d . 1 . . H
    C2 0.09729(17) 0.33301(16) 0.66845(15) 0.0372(3) Uani d . 1 . . C
    H2 -0.0035(19) 0.2903(16) 0.6635(15) 0.045(4) Uiso d . 1 . . H
    C3 0.20271(18) 0.36851(16) 0.77320(15) 0.0395(4) Uani d . 1 . . C
    H3 0.1773(19) 0.3497(17) 0.8474(16) 0.056(5) Uiso d . 1 . . H
    C4 0.34521(17) 0.42868(15) 0.77534(14) 0.0338(3) Uani d . 1 . . C
    H4 0.4166(18) 0.4513(16) 0.8458(14) 0.040(4) Uiso d . 1 . . H
    C5 0.38331(15) 0.45526(13) 0.67015(12) 0.0253(3) Uani d . 1 . . C
    C6 0.62527(15) 0.58820(13) 0.76016(12) 0.0251(3) Uani d . 1 . . C
    C7 0.58101(17) 0.68904(15) 0.88262(13) 0.0327(3) Uani d . 1 . . C
    H7 0.4730(19) 0.7012(16) 0.8940(14) 0.043(4) Uiso d . 1 . . H
    C8 0.68913(18) 0.76838(16) 0.98206(14) 0.0386(4) Uani d . 1 . . C
    H8 0.6545(18) 0.8382(17) 1.0639(15) 0.048(4) Uiso d . 1 . . H
    C9 0.84486(18) 0.75217(16) 0.96387(14) 0.0381(4) Uani d . 1 . . C
    H9 0.9204(17) 0.8091(15) 1.0341(14) 0.038(4) Uiso d . 1 . . H
    C10 0.89026(17) 0.65500(15) 0.84356(14) 0.0355(3) Uani d . 1 . . C
    H10 1.0009(19) 0.6393(16) 0.8305(15) 0.047(4) Uiso d . 1 . . H
    C11 0.78262(16) 0.57577(14) 0.74348(13) 0.0293(3) Uani d . 1 . . C
    H11 0.8158(19) 0.5099(17) 0.6655(16) 0.051(5) Uiso d . 1 . . H
    N3 0.28231(13) 0.75574(11) 0.59060(11) 0.0314(3) Uani d . 1 . . N
    N4 0.33760(14) 0.79794(13) 0.41807(11) 0.0323(3) Uani d . 1 . . N
    H4N 0.3784(19) 0.7106(17) 0.3870(15) 0.046(4) Uiso d . 1 . . H
    C12 0.20863(18) 0.78881(16) 0.69984(14) 0.0370(3) Uani d . 1 . . C
    H12 0.2276(17) 0.7254(16) 0.7419(14) 0.042(4) Uiso d . 1 . . H
    C13 0.11184(19) 0.90076(15) 0.75203(14) 0.0385(4) Uani d . 1 . . C
    H13 0.065(2) 0.9179(17) 0.8293(16) 0.051(5) Uiso d . 1 . . H
    C14 0.09143(18) 0.98592(15) 0.68881(14) 0.0370(3) Uani d . 1 . . C
    H14 0.0199(19) 1.0660(17) 0.7219(15) 0.047(4) Uiso d . 1 . . H
    C15 0.16715(16) 0.95821(14) 0.57888(14) 0.0333(3) Uani d . 1 . . C
    H15 0.1526(17) 1.0182(16) 0.5340(14) 0.041(4) Uiso d . 1 . . H
    C16 0.26182(15) 0.84025(13) 0.53066(12) 0.0278(3) Uani d . 1 . . C
    C17 0.31804(15) 0.85230(14) 0.32528(13) 0.0306(3) Uani d . 1 . . C
    C18 0.34383(18) 0.99792(17) 0.35960(17) 0.0407(4) Uani d . 1 . . C
    H18 0.3774(18) 1.0631(17) 0.4482(15) 0.044(4) Uiso d . 1 . . H
    C19 0.3265(2) 1.0454(2) 0.2653(2) 0.0527(5) Uani d . 1 . . C
    H19 0.347(2) 1.144(2) 0.2929(18) 0.074(6) Uiso d . 1 . . H
    C20 0.2847(2) 0.9495(2) 0.13783(19) 0.0540(5) Uani d . 1 . . C
    H20 0.271(2) 0.9811(19) 0.0716(18) 0.066(5) Uiso d . 1 . . H
    C21 0.26074(18) 0.8049(2) 0.10362(17) 0.0455(4) Uani d . 1 . . C
    H21 0.229(2) 0.7353(18) 0.0125(17) 0.056(5) Uiso d . 1 . . H
    C22 0.27653(16) 0.75598(17) 0.19709(14) 0.0354(3) Uani d . 1 . . C
    H22 0.2593(18) 0.6514(17) 0.1689(15) 0.047(4) Uiso d . 1 . . H
_geom_special_details
;
 ?
;
loop_
    _geom_bond_atom_site_label_1
    _geom_bond_atom_site_label_2
    _geom_bond_site_symmetry_2
    _geom_bond_distance
    _geom_bond_publ_flag
    Li N1 . 2.036(3) yes
    Li N2 . 2.187(3) yes
    Li N2 2_666 2.022(3) yes
    Li N3 . 2.002(3) yes
    N1 C1 . 1.3466(18) ?
    N1 C5 . 1.3606(16) ?
    N2 Li 2_666 2.022(3) ?
    N2 C5 . 1.3718(17) ?
    N2 C6 . 1.4035(15) ?
    C1 H1 . 0.954(15) ?
    C1 C2 . 1.365(2) ?
    C2 H2 . 0.962(16) ?
    C2 C3 . 1.384(2) ?
    C3 H3 . 0.992(17) ?
    C3 C4 . 1.371(2) ?
    C4 H4 . 0.936(15) ?
    C4 C5 . 1.4113(18) ?
    C6 C7 . 1.4061(18) ?
    C6 C11 . 1.3926(18) ?
    C7 H7 . 0.959(17) ?
    C7 C8 . 1.376(2) ?
    C8 H8 . 0.963(17) ?
    C8 C9 . 1.384(2) ?
    C9 H9 . 0.969(14) ?
    C9 C10 . 1.381(2) ?
    C10 H10 . 0.988(17) ?
    C10 C11 . 1.3768(19) ?
    C11 H11 . 0.916(17) ?
    N3 C12 . 1.3465(18) ?
    N3 C16 . 1.3481(16) ?
    N4 H4N . 0.900(16) ?
    N4 C16 . 1.3764(17) ?
    N4 C17 . 1.4213(16) ?
    C12 H12 . 0.989(14) ?
    C12 C13 . 1.372(2) ?
    C13 H13 . 0.942(17) ?
    C13 C14 . 1.384(2) ?
    C14 H14 . 0.991(17) ?
    C14 C15 . 1.372(2) ?
    C15 H15 . 0.978(14) ?
    C15 C16 . 1.3999(18) ?
    C17 C18 . 1.3885(19) ?
    C17 C22 . 1.385(2) ?
    C18 H18 . 0.963(15) ?
    C18 C19 . 1.384(2) ?
    C19 H19 . 0.934(19) ?
    C19 C20 . 1.379(3) ?
    C20 H20 . 0.961(18) ?
    C20 C21 . 1.378(2) ?
    C21 H21 . 0.992(17) ?
    C21 C22 . 1.385(2) ?
    C22 H22 . 0.988(16) ?
loop_
    _geom_angle_atom_site_label_1
    _geom_angle_atom_site_label_2
    _geom_angle_atom_site_label_3
    _geom_angle_site_symmetry_1
    _geom_angle_site_symmetry_3
    _geom_angle
    _geom_angle_publ_flag
    N1 Li N2 . . 65.19(8) yes
    N1 Li N2 . 2_666 118.30(13) yes
    N1 Li N3 . . 112.43(13) yes
    N2 Li N2 . 2_666 110.67(12) yes
    N2 Li N3 . . 120.85(13) yes
    N2 Li N3 2_666 . 118.54(12) yes
    Li N1 C1 . . 143.87(12) ?
    Li N1 C5 . . 90.45(11) ?
    C1 N1 C5 . . 119.05(12) ?
    Li N2 Li . 2_666 69.33(12) ?
    Li N2 C5 . . 84.03(10) ?
    Li N2 C5 2_666 . 123.09(12) ?
    Li N2 C6 . . 131.59(11) ?
    Li N2 C6 2_666 . 114.85(11) ?
    C5 N2 C6 . . 120.29(10) ?
    N1 C1 H1 . . 113.8(9) ?
    N1 C1 C2 . . 123.67(14) ?
    H1 C1 C2 . . 122.5(9) ?
    C1 C2 H2 . . 119.6(9) ?
    C1 C2 C3 . . 117.76(14) ?
    H2 C2 C3 . . 122.7(9) ?
    C2 C3 H3 . . 120.8(9) ?
    C2 C3 C4 . . 120.40(14) ?
    H3 C3 C4 . . 118.8(10) ?
    C3 C4 H4 . . 120.1(9) ?
    C3 C4 C5 . . 119.42(13) ?
    H4 C4 C5 . . 120.5(9) ?
    N1 C5 N2 . . 113.04(11) ?
    N1 C5 C4 . . 119.68(12) ?
    N2 C5 C4 . . 127.20(12) ?
    N2 C6 C7 . . 124.44(12) ?
    N2 C6 C11 . . 118.43(11) ?
    C7 C6 C11 . . 117.00(12) ?
    C6 C7 H7 . . 117.7(9) ?
    C6 C7 C8 . . 121.09(14) ?
    H7 C7 C8 . . 121.2(9) ?
    C7 C8 H8 . . 118.7(10) ?
    C7 C8 C9 . . 120.83(14) ?
    H8 C8 C9 . . 120.4(10) ?
    C8 C9 H9 . . 120.4(9) ?
    C8 C9 C10 . . 118.78(14) ?
    H9 C9 C10 . . 120.8(9) ?
    C9 C10 H10 . . 119.5(9) ?
    C9 C10 C11 . . 120.66(14) ?
    H10 C10 C11 . . 119.8(9) ?
    C6 C11 C10 . . 121.60(13) ?
    C6 C11 H11 . . 119.4(10) ?
    C10 C11 H11 . . 118.9(10) ?
    Li N3 C12 . . 114.62(11) ?
    Li N3 C16 . . 127.06(11) ?
    C12 N3 C16 . . 117.65(12) ?
    H4N N4 C16 . . 116.2(10) ?
    H4N N4 C17 . . 114.3(10) ?
    C16 N4 C17 . . 126.39(12) ?
    N3 C12 H12 . . 115.4(9) ?
    N3 C12 C13 . . 124.16(13) ?
    H12 C12 C13 . . 120.4(9) ?
    C12 C13 H13 . . 119.4(10) ?
    C12 C13 C14 . . 117.42(14) ?
    H13 C13 C14 . . 123.2(10) ?
    C13 C14 H14 . . 119.8(9) ?
    C13 C14 C15 . . 120.38(14) ?
    H14 C14 C15 . . 119.8(9) ?
    C14 C15 H15 . . 120.4(9) ?
    C14 C15 C16 . . 118.60(13) ?
    H15 C15 C16 . . 120.9(9) ?
    N3 C16 N4 . . 114.41(12) ?
    N3 C16 C15 . . 121.77(12) ?
    N4 C16 C15 . . 123.79(12) ?
    N4 C17 C18 . . 121.58(13) ?
    N4 C17 C22 . . 118.64(12) ?
    C18 C17 C22 . . 119.76(13) ?
    C17 C18 H18 . . 119.0(9) ?
    C17 C18 C19 . . 119.53(16) ?
    H18 C18 C19 . . 121.4(9) ?
    C18 C19 H19 . . 116.3(11) ?
    C18 C19 C20 . . 120.70(16) ?
    H19 C19 C20 . . 123.0(11) ?
    C19 C20 H20 . . 121.6(11) ?
    C19 C20 C21 . . 119.73(15) ?
    H20 C20 C21 . . 118.6(11) ?
    C20 C21 H21 . . 120.4(10) ?
    C20 C21 C22 . . 120.21(16) ?
    H21 C21 C22 . . 119.3(10) ?
    C17 C22 C21 . . 120.07(15) ?
    C17 C22 H22 . . 122.0(9) ?
    C21 C22 H22 . . 118.0(9) ?
loop_
    _geom_torsion_atom_site_label_1
    _geom_torsion_atom_site_label_2
    _geom_torsion_atom_site_label_3
    _geom_torsion_atom_site_label_4
    _geom_torsion_site_symmetry_1
    _geom_torsion_site_symmetry_2
    _geom_torsion_site_symmetry_3
    _geom_torsion_site_symmetry_4
    _geom_torsion
    _geom_torsion_publ_flag
    N2 Li N1 C1 . . . . 162.8(2) ?
    N2 Li N1 C1 2_666 . . . -96.1(2) ?
    N2 Li N1 C5 . . . . 16.23(8) ?
    N2 Li N1 C5 2_666 . . . 117.34(14) ?
    N3 Li N1 C1 . . . . 47.9(3) ?
    N3 Li N1 C5 . . . . -98.63(14) ?
    N1 Li N2 Li . . . 2_666 112.58(14) ?
    N1 Li N2 C5 . . . . -16.18(8) ?
    N1 Li N2 C6 . . . . -142.01(12) ?
    N2 Li N2 Li 2_666 . . 2_666 0.0 ?
    N2 Li N2 C5 2_666 . . . -128.76(14) ?
    N2 Li N2 C6 2_666 . . . 105.42(15) ?
    N3 Li N2 Li . . . 2_666 -145.1(2) ?
    N3 Li N2 C5 . . . . 86.15(15) ?
    N3 Li N2 C6 . . . . -39.7(2) ?
    Li N1 C1 C2 . . . . -139.68(19) ?
    C5 N1 C1 C2 . . . . 1.2(2) ?
    N1 C1 C2 C3 . . . . -0.3(2) ?
    C1 C2 C3 C4 . . . . -0.5(2) ?
    C2 C3 C4 C5 . . . . 0.5(2) ?
    Li N1 C5 N2 . . . . -26.08(12) ?
    Li N1 C5 C4 . . . . 156.96(13) ?
    C1 N1 C5 N2 . . . . 175.75(12) ?
    C1 N1 C5 C4 . . . . -1.21(19) ?
    Li N2 C5 N1 . . . . 24.30(12) ?
    Li N2 C5 N1 2_666 . . . -36.25(17) ?
    Li N2 C5 C4 . . . . -159.01(15) ?
    Li N2 C5 C4 2_666 . . . 140.44(14) ?
    C6 N2 C5 N1 . . . . 159.69(10) ?
    C6 N2 C5 C4 . . . . -23.63(19) ?
    C3 C4 C5 N1 . . . . 0.4(2) ?
    C3 C4 C5 N2 . . . . -176.10(14) ?
    Li N2 C6 C7 . . . . 73.60(18) ?
    Li N2 C6 C7 2_666 . . . 157.34(13) ?
    Li N2 C6 C11 . . . . -102.27(15) ?
    Li N2 C6 C11 2_666 . . . -18.53(15) ?
    C5 N2 C6 C7 . . . . -37.35(18) ?
    C5 N2 C6 C11 . . . . 146.78(12) ?
    N2 C6 C7 C8 . . . . -177.74(12) ?
    C11 C6 C7 C8 . . . . -1.82(19) ?
    C6 C7 C8 C9 . . . . 0.7(2) ?
    C7 C8 C9 C10 . . . . 0.2(2) ?
    C8 C9 C10 C11 . . . . 0.1(2) ?
    C9 C10 C11 C6 . . . . -1.3(2) ?
    N2 C6 C11 C10 . . . . 178.31(11) ?
    C7 C6 C11 C10 . . . . 2.13(19) ?
    N1 Li N3 C12 . . . . 28.69(19) ?
    N1 Li N3 C16 . . . . -141.62(13) ?
    N2 Li N3 C12 . . . . -44.9(2) ?
    N2 Li N3 C12 2_666 . . . 172.62(14) ?
    N2 Li N3 C16 . . . . 144.76(13) ?
    N2 Li N3 C16 2_666 . . . 2.3(2) ?
    Li N3 C12 C13 . . . . -169.80(15) ?
    C16 N3 C12 C13 . . . . 1.5(2) ?
    N3 C12 C13 C14 . . . . -1.1(2) ?
    C12 C13 C14 C15 . . . . -0.5(2) ?
    C13 C14 C15 C16 . . . . 1.6(2) ?
    Li N3 C16 N4 . . . . -8.5(2) ?
    Li N3 C16 C15 . . . . 169.81(14) ?
    C12 N3 C16 N4 . . . . -178.51(12) ?
    C12 N3 C16 C15 . . . . -0.25(19) ?
    C17 N4 C16 N3 . . . . 169.57(12) ?
    C17 N4 C16 C15 . . . . -8.6(2) ?
    C14 C15 C16 N3 . . . . -1.3(2) ?
    C14 C15 C16 N4 . . . . 176.84(13) ?
    C16 N4 C17 C18 . . . . 58.73(19) ?
    C16 N4 C17 C22 . . . . -123.15(15) ?
    N4 C17 C18 C19 . . . . 178.61(14) ?
    C22 C17 C18 C19 . . . . 0.5(2) ?
    C17 C18 C19 C20 . . . . -0.3(2) ?
    C18 C19 C20 C21 . . . . -0.4(3) ?
    C19 C20 C21 C22 . . . . 0.8(2) ?
    C20 C21 C22 C17 . . . . -0.6(2) ?
    N4 C17 C22 C21 . . . . -178.20(13) ?
    C18 C17 C22 C21 . . . . 0.0(2) ?
loop_
    _geom_hbond_atom_site_label_D
    _geom_hbond_atom_site_label_H
    _geom_hbond_atom_site_label_A
    _geom_hbond_site_symmetry_A
    _geom_hbond_distance_DH
    _geom_hbond_distance_HA
    _geom_hbond_distance_DA
    _geom_hbond_angle_DHA
    _geom_hbond_publ_flag
    N4 H4N N2 2_666 0.900(16) 2.288(17) 3.1763(16) 169.1(13) yes
data_global
_journal_date_recd_electronic     2004-09-29
_journal_date_accepted     2004-10-01
_journal_name_full     'Acta Crystallographica, Section E'
_journal_year     2004
_journal_volume     60
_journal_issue     11
_journal_page_first     m1587
_journal_page_last     m1589
_journal_paper_category     EM
_publ_contact_author_name     'Prof. W. Clegg'
_publ_contact_author_address
;
School of Natural Sciences (Chemistry)
University of Newcastle
Newcastle upon Tyne
NE1 7RU
;
_publ_contact_author_email     w.clegg@ncl.ac.uk
_publ_contact_author_fax     '0191 222 6929'
_publ_contact_author_phone     '0191 222 6649'
_publ_section_title
;
Bis[μ-2-(phenylamido)pyridine]bis{[2-(phenylamino)pyridine]lithium(I)}
;
loop_
    _publ_author_name
    _publ_author_footnote
    _publ_author_address
    'Clegg, William' .
;
School of Natural Sciences (Chemistry)
University of Newcastle upon Tyne
Newcastle upon Tyne NE1 7RU
England
;
    'Liddle, Stephen T.'
;
Current address: School of Chemistry,
University of Nottingham
University Park
Nottingham NG7 2RD
England
;
;
School of Natural Sciences (Chemistry)
University of Newcastle upon Tyne
Newcastle upon Tyne NE1 7RU
England
;
