A novel viologen-based coordination polymer with multi-stimuli responsive chromic properties: photochromism, thermochromism, chemochromism and electrochromism.
Li, Xiao-Nan; Tu, Zu-Ming; Li, Li; Wang, Zhi-Hui; Zhang, Hong; Dalton transactions (Cambridge, England : 2003) 49 (2020) 3228–3233; doi:10.1039/c9dt04699b

data_7703460
_publ_section_title
;
 A novel viologen-based coordination polymer with multi-stimuli responsive
 chromic properties: photochromism, thermochromism, chemochromism and
 electrochromism.
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3228
_journal_page_last               3233
_journal_paper_doi               10.1039/c9dt04699b
_journal_volume                  49
_journal_year                    2020
_chemical_formula_sum            'C30 H24 N4 O15 Zn2'
_chemical_formula_weight         811.27
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-04-08 deposited with the CCDC.	2020-02-05 downloaded from the CCDC.
;
_cell_angle_alpha                103.166(2)
_cell_angle_beta                 107.531(2)
_cell_angle_gamma                102.434(2)
_cell_formula_units_Z            2
_cell_length_a                   10.4442(6)
_cell_length_b                   11.2777(5)
_cell_length_c                   14.8434(8)
_cell_measurement_reflns_used    9880
_cell_measurement_temperature    300(2)
_cell_measurement_theta_max      25.709
_cell_measurement_theta_min      2.819
_cell_volume                     1545.57(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      300(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0520
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            28836
_diffrn_reflns_theta_full        25.74
_diffrn_reflns_theta_max         25.74
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    1.636
_exptl_absorpt_correction_T_max  0.654
_exptl_absorpt_correction_T_min  0.628
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.582
_refine_diff_density_min         -0.754
_refine_diff_density_rms         0.146
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     466
_refine_ls_number_reflns         5872
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.118
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0338
_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^)+(0.0532P)^2^+1.4678P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0915
_refine_ls_wR_factor_ref         0.1082
_reflns_number_gt                4839
_reflns_number_total             5872
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9dt04699b14.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7703460.cif.
;
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               7703460