Nitrogen-rich 4,4'-azo bis(1,2,4-triazolone) salts-the synthesis and promising properties of a new family of high-density insensitive materials.
Zhu, Jiaping; Jin, Shaohua; Wan, Li; Zhang, Chunyuan; Li, Lijie; Chen, Shusen; Shu, Qinghai; Dalton transactions (Cambridge, England : 2003) 45 (2016) 3590–3598; doi:10.1039/c5dt04731e

data_7037846
_publ_section_title
;
 Nitrogen-rich 4,4'-azo bis(1,2,4-triazolone) salts-the synthesis and
 promising properties of a new family of high-density insensitive
 materials.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3590
_journal_page_last               3598
_journal_paper_doi               10.1039/c5dt04731e
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C4 H4 N8 O2'
_chemical_formula_weight         196.15
_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
_audit_update_record
;
2015-12-22 deposited with the CCDC.
2016-01-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 107.344(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.581(3)
_cell_length_b                   6.325(3)
_cell_length_c                   7.891(4)
_cell_measurement_reflns_used    1317
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      31.507
_cell_measurement_theta_min      2.704
_cell_volume                     361.2(3)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  AFC10/Saturn724+
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0218
_diffrn_reflns_av_sigmaI/netI    0.0255
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3404
_diffrn_reflns_theta_full        31.51
_diffrn_reflns_theta_max         31.51
_diffrn_reflns_theta_min         2.81
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.150
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.804
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             200
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.358
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     68
_refine_ls_number_reflns         1194
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0484
_refine_ls_R_factor_gt           0.0392
_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/[\s^2^(Fo^2^)+(0.0569P)^2^+0.1090P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0968
_refine_ls_wR_factor_ref         0.1040
_reflns_number_gt                1032
_reflns_number_total             1194
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt04731e2.cif
_cod_data_source_block           bo3052
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7037846--7037854.cif.
;
_cod_original_cell_volume        361.1(3)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7037846