Effects of Different Counter Anions on Solid-State Electron Transfer in Viologen Compounds: Modulation of Color and Piezo- and Photochromic Properties.
Sui, Qi; Li, Peng; Sun, Rong; Fang, Yu-Hui; Wang, Lin; Wang, Bing-Wu; Gao, En-Qing; Gao, Song; The journal of physical chemistry letters  (2020) 9282–9288; doi:10.1021/acs.jpclett.0c02690

data_8000465
_publ_section_title
;
 Effects of Different Counter Anions on Solid-State Electron Transfer in
 Viologen Compounds: Modulation of Color and Piezo- and Photochromic
 Properties.
;
_journal_name_full               'The journal of physical chemistry letters'
_journal_page_first              9282
_journal_page_last               9288
_journal_paper_doi               10.1021/acs.jpclett.0c02690
_journal_year                    2020
_chemical_formula_sum            'C72 H68 Cl4 N6 O36'
_chemical_formula_weight         1735.12
_space_group_crystal_system      orthorhombic
_space_group_IT_number           48
_space_group_name_Hall           '-P 2ab 2bc'
_space_group_name_H-M_alt        'P n n n :2'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.6806(3)
_cell_length_b                   20.8364(9)
_cell_length_c                   27.9650(12)
_cell_measurement_reflns_used    3493
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.36
_cell_measurement_theta_min      2.39
_cell_volume                     3892.7(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0934
_diffrn_reflns_av_unetI/netI     0.0495
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            50708
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.273
_diffrn_reflns_theta_min         1.219
_exptl_absorpt_coefficient_mu    0.250
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6772
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.480
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1796
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.33
_refine_diff_density_max         0.583
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         4833
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.1726
_refine_ls_R_factor_gt           0.0909
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0934P)^2^+6.3605P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2310
_refine_ls_wR_factor_ref         0.2760
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2244
_reflns_number_total             4833
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jz0c02690_si_003.cif
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      'P n n n'
_cod_database_code               8000465
_shelxl_version_number           2014-3
_shelx_res_checksum              34841
_shelx_hkl_checksum              55684