A series of N-trinitromethyl-substituted polynitro-pyrazoles: high-energy-density materials with positive oxygen balances
Ding, Lujia; Ge, Ruirong; Wang, Pengcheng; Li, Dongxue; Lin, Qiuhan; Lu, Ming; Xu, Yuangang; RSC Advances 12 (2022) 33304–33312; doi:10.1039/D2RA06149J

data_7245897
_publ_section_title
;
 A series of N-trinitromethyl-substituted polynitro-pyrazoles:
 high-energy-density materials with positive oxygen balances
;
_journal_issue                   51
_journal_name_full               'RSC Advances'
_journal_page_first              33304
_journal_page_last               33312
_journal_paper_doi               10.1039/D2RA06149J
_journal_volume                  12
_journal_year                    2022
_chemical_formula_moiety         'C4 H5 N5 O4'
_chemical_formula_sum            'C4 H5 N5 O4'
_chemical_formula_weight         187.13
_space_group_crystal_system      monoclinic
_space_group_IT_number           7
_space_group_name_Hall           'P -2yc'
_space_group_name_H-M_alt        'P 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-07-27
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2022-09-03 deposited with the CCDC.	2022-11-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.207(6)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.0966(8)
_cell_length_b                   12.015(2)
_cell_length_c                   7.3348(15)
_cell_measurement_reflns_used    1157
_cell_measurement_temperature    170
_cell_measurement_theta_max      23.512
_cell_measurement_theta_min      3.292
_cell_volume                     355.31(12)
_computing_cell_refinement       'SAINT V8.40A (?, 2016)'
_computing_data_reduction        'SAINT V8.40A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      170.0
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0694
_diffrn_reflns_av_unetI/netI     0.0804
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4326
_diffrn_reflns_point_group_measured_fraction_full 0.928
_diffrn_reflns_point_group_measured_fraction_max 0.890
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.679
_diffrn_reflns_theta_min         3.292
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.156
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6429
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1117 before and 0.0579 after correction. The Ratio of minimum to maximum transmission is 0.8623. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.749
_exptl_crystal_description       block
_exptl_crystal_F_000             192
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.268
_refine_diff_density_min         -0.291
_refine_diff_density_rms         0.069
_refine_ls_abs_structure_details
;
 Flack x determined using 340 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -1.3(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         1482
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.1031
_refine_ls_R_factor_gt           0.0509
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0422P)^2^+0.1338P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0957
_refine_ls_wR_factor_ref         0.1209
_reflns_Friedel_coverage         0.773
_reflns_Friedel_fraction_full    0.860
_reflns_Friedel_fraction_max     0.783
_reflns_number_gt                990
_reflns_number_total             1482
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ra06149j2.cif
_cod_data_source_block           2175_0m
_cod_original_cell_volume        355.30(12)
_cod_database_code               7245897
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.995
_shelx_estimated_absorpt_t_min   0.977
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 N4(H4), N2(H2)
2.b Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C)
;
_olex2_submission_special_instructions 'No special instructions were received'