Formation of charge-transfer complexes in ionic crystals composed of 1,3-bis(dicyanomethylidene)indan anion and viologens bearing alkyl chains
Saito, Erika; Yamakado, Ryohei; Yasuhara, Taichi; Yamaguchi, Hiroto; Okada, Shuji; Yoshida, Tsukasa; RSC Advances 13 (2023) 32039–32044; doi:10.1039/D3RA06782C

data_7247653
_publ_section_title
;
 Formation of charge-transfer complexes in ionic crystals composed of
 1,3-bis(dicyanomethylidene)indan anion and viologens bearing alkyl chains
;
_journal_issue                   45
_journal_name_full               'RSC Advances'
_journal_page_first              32039
_journal_page_last               32044
_journal_paper_doi               10.1039/D3RA06782C
_journal_volume                  13
_journal_year                    2023
_chemical_formula_moiety         'C15 H5 N4, 0.5(C12 H14 N2)'
_chemical_formula_sum            'C21 H12 N5'
_chemical_formula_weight         334.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-06-09 deposited with the CCDC.	2023-10-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.012(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.3110(4)
_cell_length_b                   19.5847(4)
_cell_length_c                   11.1122(3)
_cell_measurement_reflns_used    15886
_cell_measurement_temperature    93
_cell_measurement_theta_max      31.1550
_cell_measurement_theta_min      2.6230
_cell_volume                     3375.78(15)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'Yadokari-XG (Wakita, Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Saturn 70 CCD area detector'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0393
_diffrn_reflns_av_unetI/netI     0.0198
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            27672
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.500
_diffrn_reflns_theta_min         2.226
_diffrn_source                   'Rotating Anode'
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.97145
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_description       block
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.130
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.300
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         3873
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0462
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0639P)^2^+1.6845P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1058
_refine_ls_wR_factor_ref         0.1115
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3417
_reflns_number_total             3873
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ra06782c2.cif
_cod_data_source_block           160807_MeV_-180
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7247653
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.989
_shelx_estimated_absorpt_t_max   0.993
_oxdiff_exptl_absorpt_empirical_full_min 0.736
_oxdiff_exptl_absorpt_empirical_full_max 1.337
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_shelx_res_checksum              53953