Structure, Physicochemical Properties, and Density Functional Theory Calculation of High-Energy-Density Materials Constructed with Intermolecular Interaction: Nitro Group Charge Determines Sensitivity
Liu, Xiangyu; Su, Zhiyong; Ji, Wenxin; Chen, Sanping; Wei, Qing; Xie, Gang; Yang, Xuwu; Gao, Shengli; The Journal of Physical Chemistry C  (2014) 141007164223007–; doi:10.1021/jp5062418

data_1517958
_publ_section_title
;
 Structure, Physicochemical Properties, and Density Functional Theory
 Calculation of High-Energy-Density Materials Constructed with
 Intermolecular Interaction: Nitro Group Charge Determines Sensitivity
;
_journal_name_full               'The Journal of Physical Chemistry C'
_journal_page_first              141007164223007
_journal_paper_doi               10.1021/jp5062418
_journal_year                    2014
_chemical_formula_sum            'C8 H12 N6 O7'
_chemical_formula_weight         304.24
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.494(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.7042(13)
_cell_length_b                   4.9681(7)
_cell_length_c                   13.5275(19)
_cell_measurement_reflns_used    1222
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.56
_cell_measurement_theta_min      2.51
_cell_volume                     650.97(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0159
_diffrn_reflns_av_sigmaI/netI    0.0347
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3381
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    0.137
_exptl_absorpt_correction_T_max  0.974
_exptl_absorpt_correction_T_min  0.962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.552
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bulk
_exptl_crystal_F_000             316
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.182
_refine_diff_density_min         -0.125
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.8(14)
_refine_ls_extinction_coef       0.045(7)
_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   0.963
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         2362
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.963
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0760P)^2^+0.0050P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1034
_refine_ls_wR_factor_ref         0.1107
_reflns_number_gt                2080
_reflns_number_total             2362
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            3-996909.cif
_cod_data_source_block           xb7426_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 
;
_cod_original_sg_symbol_H-M      'P2(1)   '
_cod_database_code               1517958