Anion-dependent structural variations and charge transport property analysis of 4′-(3-pyridyl)-4,2′:6′,4′′-terpyridinium salts
Hossain, Anowar; Dey, Arka; Seth, Saikat Kumar; Ray, Partha Pratim; Ortega-Castro, Joaquín; Frontera, Antonio; Mukhopadhyay, Subrata; CrystEngComm 23 (2021) 3569–3581; doi:10.1039/D1CE00248A

data_7242677
_publ_section_title
;
 Anion-dependent structural variations and charge transport property
 analysis of
 4&#x2032;-(3-pyridyl)-4,2&#x2032;:6&#x2032;,4&#x2032;&#x2032;-terpyridinium
 salts
;
_journal_issue                   19
_journal_name_full               CrystEngComm
_journal_page_first              3569
_journal_page_last               3581
_journal_paper_doi               10.1039/D1CE00248A
_journal_volume                  23
_journal_year                    2021
_chemical_formula_sum            'C20 H19 Br3 N4 O'
_chemical_formula_weight         571.12
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/1
_audit_update_record
;
2020-06-25 deposited with the CCDC.	2021-04-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.220(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.8625(6)
_cell_length_b                   27.236(3)
_cell_length_c                   16.031(2)
_cell_measurement_reflns_used    2560
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      1.5
_cell_volume                     2106.2(4)
_computing_cell_refinement       'APEX2(Bruker,2007)and SAINT (Bruker,2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT(Bruker,2007)and XPREP(Bruker,2007)'
_computing_molecular_graphics
;    
ORTEP-3 for Windows (Farrugia, 1997), DIAMOND (Brandenburg,
1999) and Mercury (Macrae <i>et al.</i>, 2006)
;
_computing_publication_material  'PLATON (Spek, 2009)'
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_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area-detector'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0472
_diffrn_reflns_av_unetI/netI     0.0645
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13375
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.144
_diffrn_reflns_theta_min         1.969
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    5.764
_exptl_absorpt_correction_T_max  0.71
_exptl_absorpt_correction_T_min  0.47
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.801
_exptl_crystal_description       block
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.567
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.075
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.11(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     260
_refine_ls_number_reflns         4642
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0718
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0353P)^2^+0.9192P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0854
_refine_ls_wR_factor_ref         0.0954
_reflns_Friedel_coverage         0.993
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                3559
_reflns_number_total             4642
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce00248a2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 7242677--7242679.cif.'
_cod_original_cell_volume        2106.2(5)
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               7242677
_shelx_shelxl_version_number     2018/1
_shelx_res_checksum              19451