Hybrid Nafion Membranes of Ionic Hydrogen-Bonded Organic Framework Materials for Proton Conduction and PEMFC Applications.
Xu, Xiao-Qian; Cao, Li-Hui; Yang, Yan; Zhao, Fang; Bai, Xiang-Tian; Zang, Shuang-Quan; ACS applied materials & interfaces 13 (2021) 56566–56574; doi:10.1021/acsami.1c15748

data_4519134
_publ_section_title
;
 Hybrid Nafion Membranes of Ionic Hydrogen-Bonded Organic Framework
 Materials for Proton Conduction and PEMFC Applications.
;
_journal_issue                   47
_journal_name_full               'ACS applied materials &amp; interfaces'
_journal_page_first              56566
_journal_page_last               56574
_journal_paper_doi               10.1021/acsami.1c15748
_journal_volume                  13
_journal_year                    2021
_chemical_formula_moiety         'C10 H6 O6 S2, 2(H2 O), C10 H12 N4'
_chemical_formula_sum            'C20 H22 N4 O8 S2'
_chemical_formula_weight         510.53
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2020-08-04
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90.740(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.552(4)
_cell_length_b                   14.641(8)
_cell_length_c                   9.837(5)
_cell_measurement_reflns_used    4199
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      29.86
_cell_measurement_theta_min      2.49
_cell_volume                     1087.6(10)
_computing_cell_refinement       'SAINT v8.27A (Bruker, 2012)'
_computing_data_reduction        'SAINT v8.27A (Bruker, 2012)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0338
_diffrn_reflns_av_unetI/netI     0.0228
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11521
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        24.996
_diffrn_reflns_theta_max         24.996
_diffrn_reflns_theta_min         2.495
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.303
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.6673
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1278 before and 0.0555 after correction.
The Ratio of minimum to maximum transmission is 0.8945.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.559
_exptl_crystal_description       block
_exptl_crystal_F_000             532
_refine_diff_density_max         0.310
_refine_diff_density_min         -0.251
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         1909
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0396
_refine_ls_R_factor_gt           0.0323
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0524P)^2^+0.3583P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0931
_refine_ls_wR_factor_ref         0.0976
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1616
_reflns_number_total             1909
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            am1c15748_si_002.cif
_cod_data_source_block           iHOF-4
_cod_database_code               4519134
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H,H) groups
 At 1.5 times of:
  All O(H,H) groups
2.a Free rotating group:
 O4(H4A,H4B)
2.b Rotating group:
 N2(H2A,H2B)
2.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C4(H4), C10(H10), C9(H9), C7(H7), C6(H6)
;
_shelx_res_checksum              28611
_shelx_hkl_checksum              70189
_olex2_submission_special_instructions 'No special instructions were received'