#------------------------------------------------------------------------------
#$Date: 2016-02-20 17:35:30 +0100 (Sat 20 de Feb de 2016) $
#$Revision: 176787 $
#$URL: svn://www.crystallography.net/cod/cif/2/21/10/2211010.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_2211010
loop_
_publ_author_name
'Ji-Lin Lu'
'Da-Shun Zhang'
'Lin Li'
'Bei-Ping Liu'
_publ_section_title
;
 1,4-Dihydro-3,6-dipyrazin-2-yl-1,2,4,5-tetrazine--benzene-1,3-dicarboxylic
 acid (1/1)
;
_journal_coeditor_code           GG2015
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4855
_journal_page_last               o4857
_journal_paper_doi               10.1107/S1600536806039894
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C10 H8 N8, C8 H6 O4'
_chemical_formula_moiety         'C10 H8 N8, C8 H6 O4'
_chemical_formula_sum            'C18 H14 N8 O4'
_chemical_formula_weight         406.37
_chemical_name_systematic
;1,4-Dihydro-3,6-dipyrazin-2-yl-1,2,4,5-tetrazine--benzene-1,3-dicarboxylic
 acid
(1/1)
;
_space_group_IT_number           52
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2a 2bc'
_symmetry_space_group_name_H-M   'P n n a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.546(4)
_cell_length_b                   33.654(11)
_cell_length_c                   3.7035(12)
_cell_measurement_reflns_used    650
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      19.75
_cell_measurement_theta_min      3.01
_cell_volume                     1688.3(9)
_computing_cell_refinement       SMART-NT
_computing_data_collection       'SMART-NT (Bruker, 1998)'
_computing_data_reduction        'SAINT-NT (Bruker, 1998)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXTL-NT (Bruker, 1998)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Bruker APEX-II CCD area-detector'
_diffrn_measurement_method       'φ and ω'
_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  0.080
_diffrn_reflns_av_sigmaI/netI    0.066
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       4
_diffrn_reflns_limit_l_min       -4
_diffrn_reflns_number            8125
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.764
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.599
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.19
_refine_diff_density_min         -0.21
_refine_ls_extinction_coef       0.0066(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     139
_refine_ls_number_reflns         1501
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.0825
_refine_ls_R_factor_gt           0.0398
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0266P)²+0.8222P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0821
_refine_ls_wR_factor_ref         0.0981
_reflns_number_gt                937
_reflns_number_total             1501
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            gg2015.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_database_code               2211010
_cod_database_fobs_code          2211010
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, -y, z'
'-x+1/2, y+1/2, -z+1/2'
'x, -y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, y, -z'
'x-1/2, -y-1/2, z-1/2'
'-x, y-1/2, z-1/2'
loop_
_atom_site_type_symbol
_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
O O1 0.67031(11) 0.18837(5) 0.0947(5) 0.0419(5) Uani d . 1
O O2 0.80743(12) 0.15239(5) 0.1262(5) 0.0478(6) Uani d . 1
N N1 0.52753(13) 0.05362(6) 0.7689(5) 0.0298(5) Uani d . 1
N N2 0.59041(14) 0.12359(5) 0.4411(6) 0.0318(5) Uani d . 1
N N3 0.78629(13) 0.03824(6) 0.8291(5) 0.0300(5) Uani d . 1
N N4 0.84166(13) 0.00537(5) 0.9557(6) 0.0304(5) Uani d D 1
C C1 0.76584(17) 0.18283(7) 0.0452(7) 0.0305(6) Uani d . 1
C C2 0.81729(16) 0.21767(6) -0.1117(7) 0.0263(6) Uani d . 1
C C3 0.91983(17) 0.21782(7) -0.1133(7) 0.0319(6) Uani d . 1
C C4 0.9707(3) 0.2500 -0.2500 0.0352(9) Uani d S 1
C C5 0.7663(2) 0.2500 -0.2500 0.0279(8) Uani d S 1
C C6 0.65412(17) 0.09647(7) 0.5559(7) 0.0299(6) Uani d . 1
C C7 0.49508(17) 0.11594(7) 0.4963(7) 0.0325(6) Uani d . 1
C C8 0.46423(17) 0.08147(7) 0.6597(7) 0.0324(6) Uani d . 1
C C9 0.62337(16) 0.06146(7) 0.7166(6) 0.0245(6) Uani d . 1
C C10 0.69375(16) 0.03105(7) 0.8372(6) 0.0243(6) Uani d . 1
H H1 0.6458 0.1682 0.1797 0.063 Uiso calc R 1
H H4A 0.9066 0.0088 0.9068 0.036 Uiso d RD 1
H H3 0.9543 0.1962 -0.0218 0.038 Uiso calc R 1
H H4 1.0393 0.2500 -0.2500 0.042 Uiso calc SR 1
H H5 0.6976 0.2500 -0.2500 0.034 Uiso calc SR 1
H H6 0.7214 0.1011 0.5277 0.036 Uiso calc R 1
H H7 0.4482 0.1344 0.4223 0.039 Uiso calc R 1
H H8 0.3970 0.0774 0.6953 0.039 Uiso calc R 1
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
O1 0.0312(10) 0.0309(11) 0.0637(14) 0.0015(8) 0.0054(9) 0.0152(10)
O2 0.0411(11) 0.0298(11) 0.0724(15) 0.0076(9) 0.0023(10) 0.0182(10)
N1 0.0258(10) 0.0272(11) 0.0365(13) 0.0000(10) 0.0014(10) 0.0022(10)
N2 0.0319(12) 0.0230(11) 0.0406(14) 0.0031(10) 0.0038(10) 0.0040(10)
N3 0.0244(10) 0.0216(11) 0.0440(14) 0.0034(9) -0.0009(9) -0.0019(10)
N4 0.0218(10) 0.0228(11) 0.0466(13) 0.0019(9) -0.0063(9) -0.0060(10)
C1 0.0318(14) 0.0283(14) 0.0314(15) 0.0005(12) -0.0028(12) -0.0002(12)
C2 0.0316(13) 0.0223(13) 0.0249(14) 0.0010(10) -0.0012(11) -0.0005(11)
C3 0.0331(14) 0.0293(15) 0.0334(16) 0.0046(12) -0.0020(12) -0.0005(12)
C4 0.0289(18) 0.033(2) 0.043(2) 0.000 0.000 -0.0004(18)
C5 0.0268(17) 0.0293(19) 0.028(2) 0.000 0.000 -0.0020(16)
C6 0.0268(13) 0.0243(13) 0.0385(16) 0.0002(11) 0.0035(11) 0.0012(12)
C7 0.0305(14) 0.0295(14) 0.0375(15) 0.0068(12) 0.0013(11) 0.0045(13)
C8 0.0253(12) 0.0307(14) 0.0411(16) 0.0039(12) 0.0009(12) 0.0054(13)
C9 0.0251(12) 0.0210(13) 0.0272(14) 0.0011(10) 0.0013(11) -0.0023(10)
C10 0.0255(12) 0.0214(13) 0.0259(14) -0.0004(11) 0.0027(10) -0.0017(11)
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_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
C1 O1 H1 . . 109.5
C8 N1 C9 . . 116.2(2)
C6 N2 C7 . . 116.6(2)
C10 N3 N4 . . 111.35(19)
C10 N4 N3 2_655 . 113.73(16)
C10 N4 H4A 2_655 . 112.7
N3 N4 H4A . . 110.4
O2 C1 O1 . . 122.9(2)
O2 C1 C2 . . 123.3(2)
O1 C1 C2 . . 113.8(2)
C5 C2 C3 . . 119.6(2)
C5 C2 C1 . . 122.1(2)
C3 C2 C1 . . 118.3(2)
C4 C3 C2 . . 120.2(2)
C4 C3 H3 . . 119.9
C2 C3 H3 . . 119.9
C3 C4 C3 4_554 . 120.1(3)
C3 C4 H4 4_554 . 120.0
C3 C4 H4 . . 120.0
C2 C5 C2 4_554 . 120.2(3)
C2 C5 H5 4_554 . 119.9
C2 C5 H5 . . 119.9
N2 C6 C9 . . 121.9(2)
N2 C6 H6 . . 119.1
C9 C6 H6 . . 119.1
N2 C7 C8 . . 121.7(2)
N2 C7 H7 . . 119.1
C8 C7 H7 . . 119.1
N1 C8 C7 . . 122.1(2)
N1 C8 H8 . . 118.9
C7 C8 H8 . . 118.9
N1 C9 C6 . . 121.5(2)
N1 C9 C10 . . 116.6(2)
C6 C9 C10 . . 121.9(2)
N3 C10 N4 . 2_655 120.9(2)
N3 C10 C9 . . 119.9(2)
N4 C10 C9 2_655 . 119.18(18)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
O1 C1 . 1.320(3)
O1 H1 . 0.8200
O2 C1 . 1.207(3)
N1 C8 . 1.333(3)
N1 C9 . 1.339(3)
N2 C6 . 1.326(3)
N2 C7 . 1.333(3)
N3 C10 . 1.277(3)
N3 N4 . 1.416(2)
N4 C10 2_655 1.388(3)
N4 H4A . 0.9052
C1 C2 . 1.483(3)
C2 C5 . 1.387(3)
C2 C3 . 1.389(3)
C3 C4 . 1.380(3)
C3 H3 . 0.9300
C4 H4 . 0.9300
C5 H5 . 0.9300
C6 C9 . 1.384(3)
C6 H6 . 0.9300
C7 C8 . 1.373(3)
C7 H7 . 0.9300
C8 H8 . 0.9300
C9 C10 . 1.468(3)
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
O1 H1 N2 . 0.82 1.94 2.751(3) 173
C6 H6 O2 . 0.93 2.56 3.223(3) 129
N4 H4A N1 6_657 0.91 2.53 3.165(3) 128
N4 H4A N1 2_655 0.91 2.34 2.749(3) 107
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_4
_geom_torsion
C10 N3 N4 C10 2_655 40.8(2)
O2 C1 C2 C5 . 170.5(2)
O1 C1 C2 C5 . -10.6(3)
O2 C1 C2 C3 . -10.5(4)
O1 C1 C2 C3 . 168.3(2)
C5 C2 C3 C4 . 0.3(3)
C1 C2 C3 C4 . -178.68(18)
C2 C3 C4 C3 4_554 -0.15(17)
C3 C2 C5 C2 4_554 -0.15(17)
C1 C2 C5 C2 4_554 178.8(3)
C7 N2 C6 C9 . 1.7(4)
C6 N2 C7 C8 . -0.8(4)
C9 N1 C8 C7 . 1.2(4)
N2 C7 C8 N1 . -0.7(4)
C8 N1 C9 C6 . -0.4(3)
C8 N1 C9 C10 . 179.8(2)
N2 C6 C9 N1 . -1.1(4)
N2 C6 C9 C10 . 178.7(2)
N4 N3 C10 N4 2_655 -0.6(3)
N4 N3 C10 C9 . 179.99(19)
N1 C9 C10 N3 . -173.0(2)
C6 C9 C10 N3 . 7.2(4)
N1 C9 C10 N4 2_655 7.6(3)
C6 C9 C10 N4 2_655 -172.2(2)
