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_7037847
_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 H7 N8 Na O4'
_chemical_formula_weight         254.17
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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
;
2015-10-20 deposited with the CCDC.
2016-01-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.234(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.421(15)
_cell_length_b                   6.514(5)
_cell_length_c                   15.382(12)
_cell_measurement_temperature    293(2)
_cell_volume                     1943(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0669
_diffrn_reflns_av_sigmaI/netI    0.0686
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4338
_diffrn_reflns_theta_full        24.86
_diffrn_reflns_theta_max         24.86
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    0.187
_exptl_absorpt_correction_T_max  0.9708
_exptl_absorpt_correction_T_min  0.9672
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.738
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.543
_refine_diff_density_min         -0.312
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     170
_refine_ls_number_reflns         1668
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0779
_refine_ls_R_factor_gt           0.0631
_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/[\s^2^(Fo^2^)+(0.0705P)^2^+5.6055P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1552
_refine_ls_wR_factor_ref         0.1660
_reflns_number_gt                1359
_reflns_number_total             1668
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt04731e2.cif
_cod_data_source_block           www
_cod_depositor_comments
'Adding full bibliography for 7037846--7037854.cif.'
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7037847
_audit_block_doi                 10.5517/cc14px0r