#------------------------------------------------------------------------------
#$Date: 2016-02-20 02:53:41 +0200 (Sat, 20 Feb 2016) $
#$Revision: 176768 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/40/2104012.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2104012
loop_
_publ_author_name
'Cowan, John A.'
'Howard, Judith A. K.'
'McIntyre, Garry J.'
'Lo, Samuel M.-F.'
'Williams, Ian D.'
_publ_section_title
;
 Variable-temperature neutron diffraction studies of the short, strong
 N···O hydrogen bonds in the 1:2 co-crystal of
 benzene-1,2,4,5-tetracarboxylic acid and 4,4'-bipyridyl
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              794
_journal_page_last               801
_journal_paper_doi               10.1107/S0108768103024984
_journal_volume                  59
_journal_year                    2003
_chemical_formula_sum            'C30 H22 N4 O8'
_chemical_formula_weight         566.00
_chemical_name_systematic
;
 ?
;
_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   difmap
_atom_sites_solution_primary     difmap
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                64.510(10)
_cell_angle_beta                 72.030(10)
_cell_angle_gamma                76.080(10)
_cell_formula_units_Z            1
_cell_length_a                   7.5410(10)
_cell_length_b                   9.7150(10)
_cell_length_c                   10.2040(10)
_cell_measurement_temperature    200(2)
_cell_volume                     636.79(14)
_computing_cell_refinement       'LAUEGEN (Campbell)'
_computing_data_collection       'LADI Control'
_computing_data_reduction
;
INTEGRATE+ and LAUENORM (Wilkinson), (Campbell)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.495
_diffrn_measured_fraction_theta_max 0.495
_diffrn_measurement_device_type  'LADI Laue diffractometer'
_diffrn_measurement_method       'Laue method'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          neutron
_diffrn_radiation_source         'ILL high flux reactor'
_diffrn_radiation_type           neutron
_diffrn_radiation_wavelength     '1.1 to 1.9'
_diffrn_reflns_av_R_equivalents  0.1130
_diffrn_reflns_av_sigmaI/netI    0.1115
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1961
_diffrn_reflns_theta_full        30.70
_diffrn_reflns_theta_max         30.70
_diffrn_reflns_theta_min         3.23
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.000
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.478
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       plate
_exptl_crystal_F_000             201
_exptl_crystal_size_max          1.3
_exptl_crystal_size_mid          0.6
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.706
_refine_diff_density_min         -0.746
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.276
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         1961
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.276
_refine_ls_R_factor_all          0.1022
_refine_ls_R_factor_gt           0.0524
_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/[σ²(Fo²)+(0.0500P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1188
_refine_ls_wR_factor_ref         0.1249
_reflns_number_gt                1192
_reflns_number_total             1961
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            bs5001.cif
_cod_data_source_block           hexladi
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_cell_volume        635.9(5)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2104012
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -z'
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_occupancy
_atom_site_type_symbol
N1 0.2833(3) -0.2257(2) 1.40362(18) 0.0241(8) Uani d 1 N
H1 0.3112(10) -0.3049(7) 1.5310(7) 0.040(2) Uani d 1 H
C11 0.3482(5) -0.2825(3) 1.2972(3) 0.0263(11) Uani d 1 C
H11 0.4182(12) -0.3988(6) 1.3279(7) 0.052(3) Uani d 1 H
C12 0.3314(5) -0.1950(3) 1.1524(2) 0.0263(10) Uani d 1 C
H12 0.3858(13) -0.2476(7) 1.0715(6) 0.063(3) Uani d 1 H
C13 0.2439(4) -0.0427(3) 1.1136(2) 0.0156(9) Uani d 1 C
C14 0.1779(5) 0.0143(3) 1.2266(2) 0.0290(11) Uani d 1 C
H14 0.1083(12) 0.1306(7) 1.2078(6) 0.057(3) Uani d 1 H
C15 0.2001(5) -0.0801(3) 1.3691(3) 0.0303(12) Uani d 1 C
H15 0.1555(13) -0.0405(8) 1.4585(6) 0.065(3) Uani d 1 H
C21 0.2757(5) 0.0899(3) 0.7012(3) 0.0278(11) Uani d 1 C
H21 0.3353(11) 0.0490(7) 0.6103(6) 0.047(2) Uani d 1 H
C22 0.2985(5) -0.0020(3) 0.8441(2) 0.0237(10) Uani d 1 C
H22 0.3791(11) -0.1135(7) 0.8629(6) 0.053(3) Uani d 1 H
C23 0.2240(4) 0.0544(3) 0.9585(2) 0.0182(10) Uani d 1 C
C24 0.1266(5) 0.2036(3) 0.9205(2) 0.0244(10) Uani d 1 C
H24 0.0626(12) 0.2548(6) 1.0017(6) 0.047(2) Uani d 1 H
C25 0.1108(5) 0.2893(3) 0.7726(2) 0.0230(10) Uani d 1 C
H25 0.0379(10) 0.4051(6) 0.7397(6) 0.049(2) Uani d 1 H
N2 0.1829(3) 0.2332(2) 0.66540(17) 0.0246(8) Uani d 1 N
C1 0.5845(5) -0.4190(3) 1.8510(2) 0.0179(10) Uani d 1 C
C10 0.6712(5) -0.3215(3) 1.6921(2) 0.0202(10) Uani d 1 C
O11 0.6213(6) -0.1824(3) 1.6424(3) 0.0376(14) Uani d 1 O
O12 0.8030(5) -0.3952(3) 1.6176(3) 0.0243(12) Uani d 1 O
H2 0.8212(10) -0.3257(7) 1.5017(5) 0.046(2) Uani d 1 H
C2 0.3934(5) -0.4405(3) 1.8915(2) 0.0173(10) Uani d 1 C
C20 0.2775(5) -0.3806(3) 1.7755(2) 0.0199(10) Uani d 1 C
O21 0.1074(6) -0.3335(4) 1.8049(3) 0.0320(13) Uani d 1 O
O22 0.3708(6) -0.3895(4) 1.6504(3) 0.0239(12) Uani d 1 O
C3 0.3082(6) -0.5211(3) 2.0408(2) 0.0187(12) Uani d 1 C
H3 0.1592(13) -0.5402(7) 2.0733(7) 0.034(2) Uani d 1 H
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0000 0.0000 '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'
N N 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
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
C11 N1 C15 . . 119.48(19)
C11 N1 H1 . . 119.8(3)
C15 N1 H1 . . 120.5(3)
N1 C11 C12 . . 121.6(2)
N1 C11 H11 . . 117.6(4)
C12 C11 H11 . . 120.8(4)
C11 C12 C13 . . 120.1(2)
C11 C12 H12 . . 118.1(3)
C13 C12 H12 . . 121.8(3)
C14 C13 C12 . . 117.3(2)
C14 C13 C23 . . 121.42(19)
C12 C13 C23 . . 121.30(19)
C15 C14 C13 . . 119.4(2)
C15 C14 H14 . . 117.8(4)
C13 C14 H14 . . 122.8(3)
N1 C15 C14 . . 122.2(2)
N1 C15 H15 . . 115.8(4)
C14 C15 H15 . . 122.0(4)
N2 C21 C22 . . 122.6(2)
N2 C21 H21 . . 116.5(4)
C22 C21 H21 . . 120.9(4)
C21 C22 C23 . . 119.8(2)
C21 C22 H22 . . 118.2(4)
C23 C22 H22 . . 122.0(4)
C24 C23 C22 . . 117.3(2)
C24 C23 C13 . . 121.77(19)
C22 C23 C13 . . 120.93(18)
C25 C24 C23 . . 119.2(2)
C25 C24 H24 . . 118.6(3)
C23 C24 H24 . . 122.1(3)
N2 C25 C24 . . 122.4(2)
N2 C25 H25 . . 116.7(4)
C24 C25 H25 . . 120.9(4)
C25 N2 C21 . . 118.64(18)
C2 C1 C3 . 2_649 120.6(2)
C2 C1 C10 . . 119.6(2)
C3 C1 C10 2_649 . 119.6(3)
O11 C10 O12 . . 124.7(3)
O11 C10 C1 . . 120.0(2)
O12 C10 C1 . . 115.3(2)
C10 O12 H2 . . 108.2(4)
C3 C2 C1 . . 119.9(3)
C3 C2 C20 . . 118.8(3)
C1 C2 C20 . . 121.2(2)
O21 C20 O22 . . 124.7(3)
O21 C20 C2 . . 121.2(2)
O22 C20 C2 . . 114.0(3)
C20 O22 H1 . . 120.2(4)
C2 C3 C1 . 2_649 119.5(4)
C2 C3 H3 . . 120.4(4)
C1 C3 H3 2_649 . 120.1(4)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
N1 C11 . 1.338(3)
N1 C15 . 1.341(3)
N1 H1 . 1.246(6)
C11 C12 . 1.379(3)
C11 H11 . 1.078(5)
C12 C13 . 1.403(3)
C12 H12 . 1.083(6)
C13 C14 . 1.399(3)
C13 C23 . 1.485(3)
C14 C15 . 1.382(3)
C14 H14 . 1.086(5)
C15 H15 . 1.072(6)
C21 N2 . 1.345(3)
C21 C22 . 1.381(3)
C21 H21 . 1.095(5)
C22 C23 . 1.409(3)
C22 H22 . 1.074(5)
C23 C24 . 1.402(3)
C24 C25 . 1.401(3)
C24 H24 . 1.079(5)
C25 N2 . 1.342(3)
C25 H25 . 1.082(5)
C1 C2 . 1.404(5)
C1 C3 2_649 1.406(5)
C1 C10 . 1.506(3)
C10 O11 . 1.230(4)
C10 O12 . 1.315(3)
O12 H2 . 1.062(6)
C2 C3 . 1.396(3)
C2 C20 . 1.515(4)
C20 O21 . 1.232(5)
C20 O22 . 1.281(4)
O22 H1 . 1.285(7)
C3 C1 2_649 1.406(5)
C3 H3 . 1.101(13)
