Pyrazolo[1,5-a]pyrimidine with similar “amino–nitro–amino” arrangement characteristics to TATB: a novel heat-resistant explosive with fused structure
Yang, Feng; Xu, Yuangang; Wang, Pengcheng; Lin, Qiuhan; Bi, Fuqiang; Liu, Ning; Lu, Ming; CrystEngComm 23 (2021) 2801–2808; doi:10.1039/D1CE00049G

data_7242397
_publ_section_title
;
 Pyrazolo[1,5-a]pyrimidine with similar
 &#x201C;amino--nitro--amino&#x201D; arrangement characteristics to TATB:
 a novel heat-resistant explosive with fused structure
;
_journal_issue                   15
_journal_name_full               CrystEngComm
_journal_page_first              2801
_journal_page_last               2808
_journal_paper_doi               10.1039/D1CE00049G
_journal_volume                  23
_journal_year                    2021
_chemical_formula_moiety         'C6 H3 Cl N6 O4, C2 H3 N'
_chemical_formula_sum            'C8 H6 Cl N7 O4'
_chemical_formula_weight         299.65
_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   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-07-15 deposited with the CCDC.	2021-03-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.872(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.0127(13)
_cell_length_b                   4.6953(7)
_cell_length_c                   23.988(3)
_cell_measurement_reflns_used    2713
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.32
_cell_measurement_theta_min      2.43
_cell_volume                     1237.5(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0691
_diffrn_reflns_av_unetI/netI     0.0809
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            11982
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.566
_diffrn_reflns_theta_min         2.430
_exptl_absorpt_coefficient_mu    0.336
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6327
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.608
_exptl_crystal_description       needle
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.020
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         2846
_refine_ls_number_restraints     35
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.1559
_refine_ls_R_factor_gt           0.0657
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0762P)^2^+0.6350P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1433
_refine_ls_wR_factor_ref         0.1769
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1441
_reflns_number_total             2846
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce00049g2.cif
_cod_data_source_block           YF027_a
_cod_depositor_comments
'Adding full bibliography for 7242396--7242399.cif.'
_cod_original_cell_volume        1237.6(3)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7242397
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.936
_shelx_estimated_absorpt_t_max   0.997
_shelx_res_checksum              97247