#------------------------------------------------------------------------------
#$Date: 2025-08-21 03:19:08 +0300 (Thu, 21 Aug 2025) $
#$Revision: 301842 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/50/01/4500123.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4500123
loop_
_publ_author_name
'Bertolasi, Valerio'
'Gilli, Paola'
'Gilli, Gastone'
_publ_section_title
;
 Hydrogen Bonding and Electron Donor−Acceptor (EDA) Interactions
 Controlling the Crystal Packing of Picric Acid and Its Adducts with
 Nitrogen Bases. Their Rationalization in Terms of the pKaEqualization and
 Electron-Pair Saturation Concepts
;
_journal_issue                   7
_journal_name_full               'Crystal Growth & Design'
_journal_page_first              2724
_journal_paper_doi               10.1021/cg101007a
_journal_volume                  11
_journal_year                    2011
_chemical_formula_moiety         'C6 H2 N3 O7, C4 H6 N3'
_chemical_formula_sum            'C10 H8 N6 O7'
_chemical_formula_weight         324.22
_chemical_name_systematic
;
2-aminopyrimidinium picrate
;
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.8722(16)
_cell_angle_beta                 81.3468(14)
_cell_angle_gamma                89.619(3)
_cell_formula_units_Z            2
_cell_length_a                   5.9086(2)
_cell_length_b                   8.0430(3)
_cell_length_c                   13.8680(7)
_cell_measurement_reflns_used    9757
_cell_measurement_temperature    295
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      3.94
_cell_volume                     651.41(5)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPIII (Burnett & Johnson, 1996)'
_computing_publication_material
'SHELXL-97 (Sheldrick, 1997), PARST (Nardelli, 1995)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      295
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'φ scans and ω scans'
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0456
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9757
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         3.94
_exptl_absorpt_coefficient_mu    0.143
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.653
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             332
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.211
_refine_diff_density_min         -0.322
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         3135
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0732
_refine_ls_R_factor_gt           0.0466
_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)+(0.0737P)²+0.0762P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1215
_refine_ls_wR_factor_ref         0.1392
_reflns_number_gt                2207
_reflns_number_total             3135
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            cg101007a_si_002.cif
_cod_data_source_block           (6)
_cod_database_code               4500123
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
O1 O 0.5951(2) 0.24853(17) 0.78547(9) 0.0516(3) Uani 1 1 d
O2 O 0.6374(2) 0.1632(2) 0.60007(10) 0.0694(4) Uani 1 1 d
O3 O 0.9277(3) 0.2411(3) 0.50335(11) 0.1036(7) Uani 1 1 d
O4 O 1.5203(2) 0.5686(2) 0.59680(11) 0.0735(5) Uani 1 1 d
O5 O 1.4886(2) 0.65982(18) 0.74264(11) 0.0675(4) Uani 1 1 d
O6 O 0.7177(2) 0.28537(18) 0.96965(9) 0.0626(4) Uani 1 1 d
O7 O 0.7775(2) 0.54945(17) 0.96804(10) 0.0601(4) Uani 1 1 d
N1 N 0.8180(2) 0.23658(18) 0.58393(10) 0.0455(4) Uani 1 1 d
N2 N 1.4192(2) 0.57853(18) 0.67977(12) 0.0470(4) Uani 1 1 d
N3 N 0.7886(2) 0.41455(18) 0.92836(10) 0.0425(3) Uani 1 1 d
C1 C 0.7844(2) 0.31761(19) 0.75907(11) 0.0348(3) Uani 1 1 d
C2 C 0.9082(2) 0.32225(19) 0.66135(11) 0.0353(3) Uani 1 1 d
C3 C 1.1135(3) 0.4049(2) 0.63552(12) 0.0376(3) Uani 1 1 d
C4 C 1.2058(2) 0.48848(19) 0.70624(12) 0.0372(4) Uani 1 1 d
C5 C 1.0985(2) 0.4924(2) 0.80239(12) 0.0378(4) Uani 1 1 d
C6 C 0.8981(2) 0.40836(19) 0.82669(11) 0.0354(3) Uani 1 1 d
H3 H 1.180(3) 0.403(2) 0.5716(14) 0.039(4) Uiso 1 1 d
H5 H 1.158(3) 0.550(2) 0.8498(13) 0.041(4) Uiso 1 1 d
N4 N 0.2700(2) 0.03842(17) 0.75715(9) 0.0385(3) Uani 1 1 d
N5 N 0.2722(3) 0.0925(2) 0.92019(12) 0.0520(4) Uani 1 1 d
N6 N -0.0245(2) -0.05979(17) 0.87749(10) 0.0423(3) Uani 1 1 d
C7 C 0.1735(3) 0.02385(19) 0.85199(11) 0.0375(3) Uani 1 1 d
C8 C -0.1199(3) -0.1255(2) 0.80707(13) 0.0431(4) Uani 1 1 d
C9 C -0.0262(3) -0.1159(2) 0.70849(13) 0.0447(4) Uani 1 1 d
C10 C 0.1728(3) -0.0318(2) 0.68575(13) 0.0433(4) Uani 1 1 d
H4 H 0.393(4) 0.097(3) 0.7461(16) 0.064(6) Uiso 1 1 d
H51 H 0.202(3) 0.081(2) 0.9789(17) 0.055(6) Uiso 1 1 d
H52 H 0.389(4) 0.153(3) 0.9057(16) 0.066(6) Uiso 1 1 d
H8 H -0.255(4) -0.189(3) 0.8281(16) 0.065(6) Uiso 1 1 d
H9 H -0.097(3) -0.166(3) 0.6632(15) 0.057(5) Uiso 1 1 d
H10 H 0.252(4) -0.019(2) 0.6209(16) 0.061(6) Uiso 1 1 d
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'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 '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
O3 N1 O2 121.01(15)
O3 N1 C2 118.08(14)
O2 N1 C2 120.91(13)
O4 N2 O5 123.33(14)
O4 N2 C4 118.81(15)
O5 N2 C4 117.85(15)
O6 N3 O7 123.58(14)
O6 N3 C6 118.71(14)
O7 N3 C6 117.69(14)
O1 C1 C2 125.76(14)
O1 C1 C6 121.55(14)
C2 C1 C6 112.65(12)
C3 C2 C1 123.42(14)
C3 C2 N1 116.70(14)
C1 C2 N1 119.88(12)
C4 C3 C2 118.92(14)
C4 C3 H3 123.1(11)
C2 C3 H3 117.9(11)
C3 C4 C5 121.98(14)
C3 C4 N2 119.52(15)
C5 C4 N2 118.48(14)
C6 C5 C4 118.22(14)
C6 C5 H5 119.6(11)
C4 C5 H5 122.2(11)
C5 C6 C1 124.79(14)
C5 C6 N3 117.11(13)
C1 C6 N3 118.09(13)
C10 N4 C7 121.11(14)
C10 N4 H4 123.2(15)
C7 N4 H4 115.7(15)
C7 N5 H51 115.7(14)
C7 N5 H52 121.0(15)
H51 N5 H52 123(2)
C8 N6 C7 117.67(14)
N5 C7 N6 119.35(14)
N5 C7 N4 119.94(14)
N6 C7 N4 120.70(13)
N6 C8 C9 123.91(15)
N6 C8 H8 115.4(13)
C9 C8 H8 120.6(13)
C10 C9 C8 116.76(15)
C10 C9 H9 123.1(13)
C8 C9 H9 120.1(13)
N4 C10 C9 119.84(16)
N4 C10 H10 116.7(13)
C9 C10 H10 123.5(13)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C1 1.2532(18)
O2 N1 1.2115(17)
O3 N1 1.2047(19)
O4 N2 1.218(2)
O5 N2 1.2206(19)
O6 N3 1.2219(19)
O7 N3 1.2231(18)
N1 C2 1.4554(19)
N2 C4 1.4532(18)
N3 C6 1.4618(19)
C1 C2 1.440(2)
C1 C6 1.444(2)
C2 C3 1.383(2)
C3 C4 1.379(2)
C3 H3 0.914(19)
C4 C5 1.388(2)
C5 C6 1.362(2)
C5 H5 0.928(19)
N4 C10 1.352(2)
N4 C7 1.356(2)
N4 H4 0.86(2)
N5 C7 1.316(2)
N5 H51 0.86(2)
N5 H52 0.84(2)
N6 C8 1.319(2)
N6 C7 1.3502(19)
C8 C9 1.396(2)
C8 H8 0.96(2)
C9 C10 1.353(2)
C9 H9 0.91(2)
C10 H10 0.95(2)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139073906
