A durable and fast-responsive photochromic and switchable luminescent polyviologen-polyoxometalate hybrid
De-Feng Shen; Si Li; Hong Liu; Wei Jiang; Qiang Zhang; Guang-Gang Gao; Journal of Materials Chemistry C 3 (2015) 12090–12097; doi:10.1039/C5TC03270A

data_7234512
_publ_section_title
;
 A durable and fast-responsive photochromic and switchable luminescent
 polyviologen-polyoxometalate hybrid
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              12090
_journal_page_last               12097
_journal_paper_doi               10.1039/C5TC03270A
_journal_volume                  3
_journal_year                    2015
_chemical_formula_sum            'C36 H56 Eu N7 O40 W10'
_chemical_formula_weight         3217.22
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 96.156(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.4112(5)
_cell_length_b                   19.9900(8)
_cell_length_c                   20.8193(7)
_cell_measurement_reflns_used    6379
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.9180
_cell_measurement_theta_min      3.5870
_cell_volume                     5963.0(4)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.1280
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'New Gemini, Dual, Cu at zero, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71000
_diffrn_reflns_av_R_equivalents  0.0942
_diffrn_reflns_av_sigmaI/netI    0.1302
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            34241
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.37
_exptl_absorpt_coefficient_mu    20.340
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.56973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    3.516
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             5633
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         3.442
_refine_diff_density_min         -1.820
_refine_diff_density_rms         0.445
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     601
_refine_ls_number_reflns         11112
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1069
_refine_ls_R_factor_gt           0.0545
_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^)+(0.0243P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.1096
_reflns_number_gt                7079
_reflns_number_total             11112
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2015-3-12090.cif
_cod_data_source_block           1
_cod_database_code               7234512