A series of energetic cyclo-pentazolate salts: rapid synthesis, characterization, and promising performance
Xu, Yuangang; Tian, Lili; Li, Dongxue; Wang, Pengcheng; Lu, Ming; Journal of Materials Chemistry A 7 (2019) 12468–; doi:10.1039/C9TA01077G

data_7237640
_publ_section_title
;
 A series of energetic cyclo-pentazolate salts: rapid synthesis,
 characterization, and promising performance
;
_journal_issue                   20
_journal_name_full               'Journal of Materials Chemistry A'
_journal_page_first              12468
_journal_paper_doi               10.1039/C9TA01077G
_journal_volume                  7
_journal_year                    2019
_chemical_formula_moiety         '0.25(K4 N20)'
_chemical_formula_sum            'K N5'
_chemical_formula_weight         109.15
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_primary     dual
_audit_creation_date             2018-12-15
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2018-12-15 deposited with the CCDC.	2019-03-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.835(3)
_cell_length_b                   6.304(2)
_cell_length_c                   7.332(3)
_cell_measurement_reflns_used    1271
_cell_measurement_temperature    150
_cell_measurement_theta_max      26.233
_cell_measurement_theta_min      3.806
_cell_volume                     362.1(2)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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      150
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0341
_diffrn_reflns_av_unetI/netI     0.0258
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            2236
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.275
_diffrn_reflns_theta_min         3.806
_exptl_absorpt_coefficient_mu    1.268
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5873
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0963 before and 0.0502 after correction. The Ratio of minimum to maximum transmission is 0.7879. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    2.002
_exptl_crystal_description       block
_exptl_crystal_F_000             216
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.435
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     31
_refine_ls_number_reflns         397
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0260
_refine_ls_R_factor_gt           0.0246
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0473P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0668
_refine_ls_wR_factor_ref         0.0676
_reflns_Friedel_coverage         0.000
_reflns_number_gt                370
_reflns_number_total             397
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ta01077g2.cif
_cod_data_source_block           mo_1215-nlg-x-320_0m
_cod_database_code               7237640
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.905
_shelx_estimated_absorpt_t_min   0.795
_olex2_refinement_description
;
;
_olex2_submission_special_instructions 'No special instructions were received'