Design and synthesis of energetic materials towards high density and positive oxygen balance by N-dinitromethyl functionalization of nitroazoles
Zhao, X. X.; Li, S. H.; Wang, Y.; Li, Y. C.; Zhao, F. Q.; Pang, S. P.; Journal of Materials Chemistry A 4 (2016) 5495–; doi:10.1039/C6TA01501H

data_7236297
_publ_section_title
;
 Design and synthesis of energetic materials towards high density and
 positive oxygen balance by N-dinitromethyl functionalization of
 nitroazoles
;
_journal_issue                   15
_journal_name_full               'Journal of Materials Chemistry A'
_journal_page_first              5495
_journal_paper_doi               10.1039/C6TA01501H
_journal_volume                  4
_journal_year                    2016
_chemical_formula_moiety         'H4 N, C3 H N6 O6, 0.13(H2 O)'
_chemical_formula_sum            'C3 H5.26 N7 O6.13'
_chemical_formula_weight         237.44
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-12-14 deposited with the CCDC.
2016-03-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 98.223(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.3136(5)
_cell_length_b                   15.3604(13)
_cell_length_c                   9.3411(8)
_cell_measurement_reflns_used    2607
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.25
_cell_measurement_theta_min      3.45
_cell_volume                     896.58(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'PHOTON100 CMOS detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  'TRIUMPH curved crystal monochromator'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0528
_diffrn_reflns_av_sigmaI/netI    0.0514
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            8925
_diffrn_reflns_theta_full        25.21
_diffrn_reflns_theta_max         25.21
_diffrn_reflns_theta_min         3.26
_exptl_absorpt_coefficient_mu    0.167
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6864
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2013)'
_exptl_crystal_density_diffrn    1.759
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             485
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.204
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         1589
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0763
_refine_ls_R_factor_gt           0.0424
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0332P)^2^+0.5291P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0762
_refine_ls_wR_factor_ref         0.0865
_reflns_number_gt                1111
_reflns_number_total             1589
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ta01501h2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_Hall     '-P 2ybc  '
_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               7236297