Nitrogen-rich salts based on the combination of 1,2,4-triazole and 1,2,3-triazole rings: a facile strategy for fine tuning energetic properties
Xu, Zhen; Cheng, Guangbin; Zhu, Shunguan; Lin, Qiuhan; Yang, Hongwei; Journal of Materials Chemistry A 6 (2018) 2239–; doi:10.1039/C7TA08941D

data_7236662
_publ_section_title
;
 Nitrogen-rich salts based on the combination of 1,2,4-triazole and
 1,2,3-triazole rings: a facile strategy for fine tuning energetic
 properties
;
_journal_issue                   5
_journal_name_full               'Journal of Materials Chemistry A'
_journal_page_first              2239
_journal_paper_doi               10.1039/C7TA08941D
_journal_volume                  6
_journal_year                    2018
_chemical_formula_moiety         'C4 H2 N8 O4'
_chemical_formula_sum            'C4 H2 N8 O4'
_chemical_formula_weight         226.14
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-06-28 deposited with the CCDC.
2017-12-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.9567(12)
_cell_length_b                   6.4248(8)
_cell_length_c                   9.6417(10)
_cell_measurement_reflns_used    1763
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.15
_cell_measurement_theta_min      3.14
_cell_volume                     802.62(15)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'PHOTON 100 CMOS detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0887
_diffrn_reflns_av_unetI/netI     0.0867
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7638
_diffrn_reflns_point_group_measured_fraction_full 0.974
_diffrn_reflns_point_group_measured_fraction_max 0.966
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.337
_diffrn_reflns_theta_min         3.144
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.166
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6931
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_density_diffrn    1.871
_exptl_crystal_description       needle
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.260
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.272
_refine_diff_density_min         -0.316
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details
;
 Flack x determined using 404 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -1.3(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     151
_refine_ls_number_reflns         1569
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0964
_refine_ls_R_factor_gt           0.0498
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0336P)^2^+0.3937P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0801
_refine_ls_wR_factor_ref         0.0926
_reflns_Friedel_coverage         0.814
_reflns_Friedel_fraction_full    0.944
_reflns_Friedel_fraction_max     0.928
_reflns_number_gt                1151
_reflns_number_total             1569
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ta08941d2.cif
_cod_data_source_block           1_CCDC1
_cod_database_code               7236662
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.958
_shelx_estimated_absorpt_t_max   0.993
_shelx_res_checksum              83771