Chalcogen-bonded donor–acceptor complexes of 5,6-dicyano[1,2,5]selenadiazolo[3,4-b]pyrazine with halide ions
Radiush, Ekaterina A.; Pritchina, Elena A.; Chulanova, Elena A.; Dmitriev, Alexey A.; Bagryanskaya, Irina Yu; Slawin, Alexandra M. Z.; Woollins, J. Derek; Gritsan, Nina P.; Zibarev, Andrey V.; Semenov, Nikolay A.; New Journal of Chemistry 46 (2022) 14490–14501; doi:10.1039/D2NJ02345H

data_7061691
_publ_section_title
;
 Chalcogen-bonded donor--acceptor complexes of
 5,6-dicyano[1,2,5]selenadiazolo[3,4-b]pyrazine with halide ions
;
_journal_issue                   30
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              14490
_journal_page_last               14501
_journal_paper_doi               10.1039/D2NJ02345H
_journal_volume                  46
_journal_year                    2022
_chemical_formula_sum            'C18 H24 Br K N6 O6 Se'
_chemical_formula_weight         618.40
_chemical_name_common
;
potassium 1-bromo-5,6-dicyano[1,2,5]selenadiazolo[3,4-b]pyrazolide potassium with 18-crown-6
;
_chemical_name_systematic
;      	
potassium 1-bromo-5,6-dicyano[1,2,5]selenadiazolo[3,4-b]pyrazolide potassium with 18-crown-6
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2022-04-21
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2022-04-22 deposited with the CCDC.	2022-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                106.379(7)
_cell_angle_beta                 92.267(8)
_cell_angle_gamma                104.840(7)
_cell_formula_units_Z            2
_cell_length_a                   7.5052(5)
_cell_length_b                   10.9758(8)
_cell_length_c                   16.5976(17)
_cell_measurement_reflns_used    179
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.4
_cell_measurement_theta_min      2.7
_cell_volume                     1258.75(19)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)
;
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device
;
SCXMini: Fixed Chi 2 circle
;
_diffrn_measurement_device_type
;
Rigaku Mercury2 (2x2 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0246
_diffrn_reflns_av_unetI/netI     0.032
_diffrn_reflns_Laue_measured_fraction_full 0.972
_diffrn_reflns_Laue_measured_fraction_max 0.960
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10614
_diffrn_reflns_point_group_measured_fraction_full 0.972
_diffrn_reflns_point_group_measured_fraction_max 0.960
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.540
_diffrn_reflns_theta_min         2.749
_exptl_absorpt_coefficient_mu    3.288
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.789
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.632
_exptl_crystal_description       Prism
_exptl_crystal_F_000             620
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.345
_refine_diff_density_min         -0.406
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         4522
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0310
_refine_ls_R_factor_gt           0.0226
_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^)+(0.0364P)^2^+0.0208P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0570
_refine_ls_wR_factor_ref         0.0594
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3790
_reflns_number_total             4522
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2nj02345h2.cif
_cod_data_source_block           1-Br_K(18-c-6)
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' 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_database_code               7061691
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              60710