Stimuli-responsive switching of magnetic properties and solid-state colors for 2,3'-biimidazo[1,2-a]pyridin-2'-one radical derivatives
Guo-Ping Yong; Yu-Mei Zhao; Ya Feng; Journal of Materials Chemistry C 2 (2014) 2228–2234; doi:10.1039/C3TC32130D

data_7233648
_publ_section_title
;
 Stimuli-responsive switching of magnetic properties and solid-state
 colors for 2,3'-biimidazo[1,2-a]pyridin-2'-one radical derivatives
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              2228
_journal_page_last               2234
_journal_paper_doi               10.1039/C3TC32130D
_journal_volume                  2
_journal_year                    2014
_chemical_formula_sum            'C22 H20 Cl3 N5 O15'
_chemical_formula_weight         700.78
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_space_group_name_Hall           '-P 1'
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_cell_length_c                   14.5536(7)
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_cell_measurement_temperature    291(2)
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_cell_measurement_theta_min      3.8396
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_computing_cell_refinement       'CrysAlisPro (Agilent Technologies)'
_computing_data_collection       'CrysAlisPro (Agilent Technologies)'
_computing_data_reduction        'CrysAlisPro (Agilent Technologies)'
_computing_molecular_graphics    'Ortep-3 (L. J. Farrugia, 2001)'
_computing_publication_material  SHELXL-97
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      291(2)
_diffrn_detector_area_resol_mean 15.9149
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Gemini S Ultra, Agilent Technologies'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
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_diffrn_reflns_limit_l_min       -17
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_diffrn_reflns_theta_max         65.07
_diffrn_reflns_theta_min         3.84
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_exptl_absorpt_correction_T_max  0.3935
_exptl_absorpt_correction_T_min  0.3399
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.21 (release 14-08-2012 CrysAlis171 .NET)
(compiled Sep 14 2012,17:21:16)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    1.702
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             716
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_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.30
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_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
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_refine_ls_number_parameters     412
_refine_ls_number_reflns         4528
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0744
_refine_ls_R_factor_gt           0.0644
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0625P)^2^+1.7628P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1557
_refine_ls_wR_factor_ref         0.1645
_reflns_number_gt                3712
_reflns_number_total             4528
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1000002.cif
_cod_data_source_block           PCOD1000002
_cod_original_cell_volume        1367.59(14)
_cod_database_code               7233648