Organic Ferroelectric Vortex-Antivortex Domain Structure.
Tang, Yuan-Yuan; Xie, Yongfa; Ai, Yong; Liao, Wei-Qiang; Li, Peng-Fei; Nakamura, Takayoshi; Xiong, Ren-Gen; Journal of the American Chemical Society 142 (2020) 21932–21937; doi:10.1021/jacs.0c11416

data_4135409
_publ_section_title
;
 Organic Ferroelectric Vortex-Antivortex Domain Structure.
;
_journal_issue                   52
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              21932
_journal_page_last               21937
_journal_paper_doi               10.1021/jacs.0c11416
_journal_volume                  142
_journal_year                    2020
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_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      31.6600
_cell_measurement_theta_min      3.1620
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_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'XtaLAB Synergy R, DW system, HyPix'
_diffrn_measurement_method       'four-circle diffractometer'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_unetI/netI     0.0439
_diffrn_reflns_Laue_measured_fraction_full 1.000
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_exptl_crystal_size_mid          0.210
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_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.03(3)
_refine_ls_extinction_method     none
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_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0496P)^2^+1.0500P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_number_gt                2055
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_cod_depositor_comments
'Adding full bibliography for 4135405--4135410.cif.'
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