Improved capacitive performances and electrocatalytic reduction activity by regulating the bonding interaction between Zn-bistriazole-pyrazine/pyridine units and diverse Anderson-type polyoxometalates.
Liang, Ju-Ju; Lin, Yu-Chun; Chang, Zhi-Han; Wang, Xiuli; Dalton transactions (Cambridge, England : 2003) 53 (2024) 3020–3026; doi:10.1039/d3dt04195f

data_7715023
_publ_section_title
;
 Improved capacitive performances and electrocatalytic reduction activity
 by regulating the bonding interaction between
 Zn-bistriazole-pyrazine/pyridine units and diverse Anderson-type
 polyoxometalates.
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3020
_journal_page_last               3026
_journal_paper_doi               10.1039/d3dt04195f
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'Cr Mo6 O24, 2(C8 H14 N8 O4 Zn), 6(H2 O)'
_chemical_formula_sum            'C16 H40 Cr Mo6 N16 O38 Zn2'
_chemical_formula_weight         1823.02
_space_group_crystal_system      orthorhombic
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2022-11-25
_audit_creation_method
;
Olex2 1.3-alpha
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2022-11-28 deposited with the CCDC.	2024-01-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.9926(8)
_cell_length_b                   19.3476(8)
_cell_length_c                   15.4933(6)
_cell_measurement_reflns_used    9801
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      25.127
_cell_measurement_theta_min      1.628
_cell_volume                     5693.2(4)
_computing_cell_refinement       'SAINT+ Ver. 2016.5-0 (Bruker-AXS, 2016)'
_computing_data_collection       'APEX3 Ver. 2016.5-0 (Bruker-AXS, 2016)'
_computing_data_reduction        'SAINT+ Ver. 2016.5-0 (Bruker-AXS, 2016)'
_computing_molecular_graphics    'OLEX2 (Dolomanov et al., 2009)'
_computing_publication_material  'OLEX2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2015b)'
_computing_structure_solution    'XT (Sheldrick, 2015a)'
_diffrn_ambient_temperature      296.15
_diffrn_detector                 'charge-coupled device (CCD) area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'Bruker APEX II'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II Quazar'
_diffrn_measurement_method       '0.5\% \w and 0.5\% \f scans'
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_detector       'Bruker APEX II'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0725
_diffrn_reflns_av_unetI/netI     0.0335
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            82268
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.050
_diffrn_reflns_theta_min         1.996
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.393
_exptl_absorpt_correction_T_max  0.87
_exptl_absorpt_correction_T_min  0.86
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Krause et al., 2015) was used for absorption correction.
;
_exptl_crystal_colour            green
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    2.127
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3552
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.782
_refine_diff_density_min         -0.576
_refine_diff_density_rms         0.114
_refine_ls_extinction_coef       0.00095(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     380
_refine_ls_number_reflns         5612
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0381
_refine_ls_R_factor_gt           0.0310
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0205P)^2^+18.8347P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0752
_refine_ls_wR_factor_ref         0.0815
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4802
_reflns_number_total             5612
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt04195f2.cif
_cod_data_source_block           666
_cod_depositor_comments
'Adding full bibliography for 7715023--7715025.cif.'
_cod_database_code               7715023
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All O(H,H) groups
2. Restrained distances
 H13B-H3WB
 2.4 with sigma of 0.02
3.a Free rotating group:
 O14(H14A,H14B), O15(H15A,H15B), O13(H13A,H13B)
3.b Rotating group:
 O3W(H3WA,H3WB), O2W(H2WA,H2WB), O1W(H1WA,H1WB), O4W(H4WA,H4WB)
3.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C2(H2), C1(H1), C8(H8)
;
_smtbx_masks_void_probe_radius   1.2
_smtbx_masks_void_truncation_radius 1.2
_shelx_res_checksum              32474
_shelx_fab_checksum              7441
_olex2_submission_special_instructions 'No special instructions were received'