5,6-Fused bicyclic tetrazolo-pyridazine energetic materials.
Chen, Sitong; Liu, Yuji; Feng, Yongan; Yang, Xianjin; Zhang, Qinghua; Chemical communications (Cambridge, England) 56 (2020) 1493–1496; doi:10.1039/c9cc08782f

data_7125723
_publ_section_title
;
 5,6-Fused bicyclic tetrazolo-pyridazine energetic materials.
;
_journal_issue                   10
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1493
_journal_page_last               1496
_journal_paper_doi               10.1039/c9cc08782f
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         '0.5(H2 O), C4 H4 N8 O2'
_chemical_formula_sum            'C4 H5 N8 O2.5'
_chemical_formula_weight         205.16
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2019-07-04
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-08-14 deposited with the CCDC.	2020-01-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.484(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.2036(15)
_cell_length_b                   4.6757(5)
_cell_length_c                   25.698(3)
_cell_measurement_reflns_used    1376
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.39
_cell_measurement_theta_min      3.18
_cell_volume                     1463.6(3)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0937
_diffrn_reflns_av_unetI/netI     0.0913
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            5433
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         3.34
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.157
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6006
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1764 before and 0.0698 after correction.
The Ratio of minimum to maximum transmission is 0.8055.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.862
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.352
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.081
_refine_ls_extinction_coef       0.0035(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     153
_refine_ls_number_reflns         1659
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.1085
_refine_ls_R_factor_gt           0.0511
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0550P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1038
_refine_ls_wR_factor_ref         0.1287
_reflns_number_gt                1017
_reflns_number_total             1659
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9cc08782f2.cif
_cod_data_source_block           ff
_cod_depositor_comments
;
Adding full bibliography for 7125722--7125725.cif.

2025-03-30
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_moiety     'H2 O, 2(C4 H4 N8 O2)'
_cod_original_formula_sum        'C8 H10 N16 O5'
_cod_original_formula_units_Z    4
_cod_original_formula_weight     410.32
_cod_database_code               7125723
_olex2_refinement_description
;
;
_olex2_submission_special_instructions 'No special instructions were received'