Facile and selective polynitrations at the 4-pyrazolyl dual backbone: A straightforward access to a series of high-density energetic materials
Domasevitch, Konstantin V.; Gospodinov, Ivan; Krautscheid, Harald; Klapoetke, Thomas M.; Stierstorfer, Joerg; New Journal of Chemistry 43 (2019) 1305–1312; doi:10.1039/C8NJ05266B

data_7058017
_publ_section_title
;
 Facile and selective polynitrations at the 4-pyrazolyl dual backbone: A
 straightforward access to a series of high-density energetic materials
;
_journal_issue                   3
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1305
_journal_page_last               1312
_journal_paper_doi               10.1039/C8NJ05266B
_journal_volume                  43
_journal_year                    2019
_chemical_formula_moiety         'C6 H5 N5 O2'
_chemical_formula_sum            'C6 H5 N5 O2'
_chemical_formula_weight         179.15
_chemical_name_systematic
;
3-Nitro-4,4'-bipyrazole
;
_space_group_crystal_system      tetragonal
_space_group_IT_number           92
_space_group_name_Hall           'P 4abw 2nw'
_space_group_name_H-M_alt        'P 41 21 2'
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-04-11 deposited with the CCDC.
2018-12-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_angle_gamma                90
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_cell_length_c                   47.463(3)
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_cell_measurement_theta_max      27.951
_cell_measurement_theta_min      3.741
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_computing_cell_refinement       'IPDS Software (Stoe & Cie, 2000)'
_computing_data_collection       'IPDS Software (Stoe & Cie, 2000)'
_computing_data_reduction        'IPDS Software (Stoe & Cie, 2000)'
_computing_molecular_graphics    'Diamond 2.1e (Brandenburg, 1999)'
_computing_publication_material  'WinGX 1.70.01 (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Stoe IPDS-2T'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0347
_diffrn_reflns_av_unetI/netI     0.0217
_diffrn_reflns_Laue_measured_fraction_full 0.985
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_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       7
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_diffrn_reflns_limit_l_min       -49
_diffrn_reflns_number            6517
_diffrn_reflns_point_group_measured_fraction_full 0.990
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_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.951
_diffrn_reflns_theta_min         3.741
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.132
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         1701
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0342
_refine_ls_R_factor_gt           0.0319
_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^)+(0.0359P)^2^+0.2689P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                1589
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nj05266b2.cif
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_cod_database_code               7058017
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_shelx_res_checksum              83213
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