Design, synthesis and investigations of a series of energetic salts through the variation of amines and concentration of picrate-anion
Mathpati, Ramling S.; Dharavath, Srinivas; Kumar, Nikhil; Ghule, Vikas; Paul, Avijit Kumar; TITTAL, RAM KUMAR; CrystEngComm  (2020) –; doi:10.1039/D0CE00772B

data_7240730
_publ_section_title
;
 Design, synthesis and investigations of a series of energetic salts
 through the variation of amines and concentration of picrate-anion
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00772B
_journal_year                    2020
_chemical_formula_sum            'C12 H15 N7 O7'
_chemical_formula_weight         369.31
_chemical_name_common            'hexamine picric acid salt'
_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_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
;
2019-12-19 deposited with the CCDC.	2020-06-15 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 107.065(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.462(2)
_cell_length_b                   6.7318(11)
_cell_length_c                   18.747(3)
_cell_measurement_reflns_used    2637
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.71
_cell_volume                     1503.5(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART CCD area detector'
_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  0.0545
_diffrn_reflns_av_sigmaI/netI    0.0400
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            14928
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    0.136
_exptl_absorpt_correction_T_max  0.9746
_exptl_absorpt_correction_T_min  0.9654
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.632
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.239
_refine_diff_density_min         -0.259
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.101
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         2637
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0979
_refine_ls_R_factor_gt           0.0519
_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^)+(0.0845P)^2^+0.4196P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1330
_refine_ls_wR_factor_ref         0.1764
_reflns_number_gt                1674
_reflns_number_total             2637
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            d0ce00772b2.cif
_cod_data_source_block           Salt-1b
_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/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7240730