High-performing and thermally stable energetic 3,7-diamino-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole derivatives
Tang, Yongxing; He, Chunlin; Imler, Gregory H.; Parrish, Damon A.; Shreeve, Jean'ne M.; Journal of Materials Chemistry A 5 (2017) 6100–; doi:10.1039/C7TA01111C

data_7236545
_publ_section_title
;
 High-performing and thermally stable energetic
 3,7-diamino-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole derivatives
;
_journal_issue                   13
_journal_name_full               'Journal of Materials Chemistry A'
_journal_page_first              6100
_journal_paper_doi               10.1039/C7TA01111C
_journal_volume                  5
_journal_year                    2017
_chemical_formula_moiety         'C3 H3 N7 O2, H2 O'
_chemical_formula_sum            'C3 H5 N7 O3'
_chemical_formula_weight         187.14
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-01-09 deposited with the CCDC.
2017-03-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.954(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.6446(6)
_cell_length_b                   14.4368(7)
_cell_length_c                   7.7331(4)
_cell_measurement_reflns_used    5320
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.732
_cell_measurement_theta_min      2.822
_cell_volume                     1401.27(12)
_computing_cell_refinement       'Bruker APEX3 v2015.5-2 (Bruker, 2015)'
_computing_data_collection       'Bruker APEX3 v2015.5-2 (Bruker, 2015)'
_computing_data_reduction
;
Bruker SAINT v8.34A (Bruker, 2013), Bruker XPREP v2014/2 (Bruker, 2014)
;
_computing_molecular_graphics    'Bruker SHELXTL v2014/7 (Bruker, 2014)'
_computing_publication_material  'Bruker SHELXTL v2014/7 (Bruker, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'Bruker SHELXTL v2014/7 (Bruker, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       '\w 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  0.0349
_diffrn_reflns_av_unetI/netI     0.0268
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            16794
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.360
_diffrn_reflns_theta_min         2.150
_exptl_absorpt_coefficient_mu    0.155
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.6876
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2014/5 (Bruker, 2008)'
_exptl_crystal_colour            'clear colorless'
_exptl_crystal_density_diffrn    1.774
_exptl_crystal_description       plate
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.258
_exptl_crystal_size_mid          0.215
_exptl_crystal_size_min          0.029
_refine_diff_density_max         0.229
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     257
_refine_ls_number_reflns         2858
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0545
_refine_ls_R_factor_gt           0.0367
_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^)+(0.0475P)^2^+0.6801P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0928
_refine_ls_wR_factor_ref         0.1011
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2186
_reflns_number_total             2858
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ta01111c2.cif
_cod_data_source_block           shrv429
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7236545
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.961
_shelx_estimated_absorpt_t_max   0.996