Multipurpose [1,2,4]triazolo[4,3-b][1,2,4,5] tetrazine-based energetic materials
Liu, Yingle; Zhao, Gang; Tang, Yongxing; Zhang, Jichuan; Hu, Lu; Imler, Gregory H.; Parrish, Damon A.; Shreeve, Jean'ne M.; Journal of Materials Chemistry A 7 (2019) 7875–; doi:10.1039/C9TA01717H

data_7237653
_publ_section_title
;
 Multipurpose [1,2,4]triazolo[4,3-b][1,2,4,5] tetrazine-based energetic
 materials
;
_journal_issue                   13
_journal_name_full               'Journal of Materials Chemistry A'
_journal_page_first              7875
_journal_paper_doi               10.1039/C9TA01717H
_journal_volume                  7
_journal_year                    2019
_chemical_formula_moiety         'C3 H2 N8 O2'
_chemical_formula_sum            'C3 H2 N8 O2'
_chemical_formula_weight         182.13
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-12-12 deposited with the CCDC.	2019-03-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   6.9340(2)
_cell_length_b                   12.4025(4)
_cell_length_c                   15.5088(4)
_cell_measurement_reflns_used    4975
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.12
_cell_measurement_theta_min      2.63
_cell_volume                     1333.74(7)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.992
_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  0.0267
_diffrn_reflns_av_unetI/netI     0.0255
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            14964
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.976
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.025
_diffrn_reflns_theta_min         2.103
_exptl_absorpt_coefficient_mu    0.154
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.7105
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2014/5 (Bruker, 2008)'
_exptl_crystal_colour            'clear orange'
_exptl_crystal_density_diffrn    1.814
_exptl_crystal_description       chunk
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.316
_exptl_crystal_size_mid          0.117
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.157
_refine_diff_density_min         -0.161
_refine_diff_density_rms         0.034
_refine_ls_abs_structure_details
;
 Flack x determined using 1375 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.2(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         3793
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0395
_refine_ls_R_factor_gt           0.0298
_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^)+(0.0387P)^2^+0.0537P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0679
_refine_ls_wR_factor_ref         0.0719
_reflns_Friedel_coverage         0.904
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.960
_reflns_number_gt                3244
_reflns_number_total             3793
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ta01717h2.cif
_cod_data_source_block           shrv741
_cod_database_code               7237653
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.953
_shelx_estimated_absorpt_t_max   0.989
_shelx_res_checksum              78433