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_8000464
_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            'C25 H22 Br2 N2 O5'
_chemical_formula_weight         590.26
_space_group_crystal_system      triclinic
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_cell_measurement_temperature    180(2)
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_cell_measurement_theta_min      2.9340
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_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scan'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_unetI/netI     0.0333
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_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.596
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_exptl_crystal_description       PRISM
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_refine_ls_number_reflns         6020
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_refine_ls_R_factor_all          0.0510
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1044P)^2^+3.5812P] where P=(Fo^2^+2Fc^2^)/3'
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