Structural and proton conductivity studies of fibrous π-Ti<sub>2</sub>O(PO<sub>4</sub>)<sub>2</sub>·2H<sub>2</sub>O: application in chitosan-based composite membranes.
Babaryk, Artem A.; Adawy, Alaa; García, Inés; Trobajo, Camino; Amghouz, Zakariae; P Colodrero, Rosario M; Cabeza, Aurelio; Olivera-Pastor, Pascual; Bazaga-García, Montse; Dos Santos-Gómez, Lucía; Dalton transactions (Cambridge, England : 2003) 50 (2021) 7667–7677; doi:10.1039/d1dt00735a

data_7707162
_publ_section_title
;
 Structural and proton conductivity studies of fibrous
 \p-Ti<sub>2</sub>O(PO<sub>4</sub>)<sub>2</sub>&#x00B7;2H<sub>2</sub>O:
 application in chitosan-based composite membranes.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7667
_journal_page_last               7677
_journal_paper_doi               10.1039/d1dt00735a
_journal_volume                  50
_journal_year                    2021
_chemical_formula_iupac          'Ti2 P2 O11 H4'
_chemical_formula_moiety         '(Ti2 O) (P O4)2 (H2 O)2'
_chemical_formula_sum            'H4 O11 P2 Ti2'
_chemical_formula_weight         337.71
_chemical_name_systematic
'oxo-bis-titanium (iv) bis-phosphate dihydrate'
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_audit_update_record
;
2020-12-25 deposited with the CCDC.	2021-04-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 115.3080(95)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.11214(16)
_cell_length_b                   14.49212(94)
_cell_length_c                   12.0453(11)
_cell_measurement_temperature    100
_cell_volume                     806.74(11)
_computing_structure_refinement  'TOPAS v.4.2 (Bruker AXS, 2009)'
_diffrn_ambient_temperature      100
_diffrn_detector                 '12-analyzer scintillator'
_diffrn_measurement_device_type  '11-BM High Resolution Diffractometer'
_diffrn_radiation_monochromator  'double Si(111) with sagital focusing'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_wavelength     0.457904
_diffrn_source                   synchrotron
_diffrn_source_type
'Advanced Photon Source 11-BM (bending magnet)'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    2.78424(45)
_exptl_crystal_description       powder
_exptl_crystal_F_000             664.0
_exptl_crystal_recrystallization_method 'hydrothermal synthesis'
_pd_char_colour                  white
_pd_instr_location
'Advanced Photon Source, Argonne National Laboratory'
_pd_meas_2theta_range_inc        0.001
_pd_meas_2theta_range_max        31.05
_pd_meas_2theta_range_min        2.000
_pd_meas_scan_method             cont
_pd_proc_ls_prof_R_factor        0.062
_pd_proc_ls_prof_wR_expected     0.062
_pd_proc_ls_prof_wR_factor       0.083
_pd_spec_mounting                'mounted in 0.8 mm polyimide capillary'
_pd_spec_shape                   cylinder
_pd_spec_size_axial              0.5
_pd_spec_size_equat              0.4
_pd_spec_size_thick              0.4
_refine_ls_goodness_of_fit_all   1.347
_refine_ls_matrix_type           full
_refine_ls_number_restraints     20
_refine_ls_R_I_factor            0.015
_refine_ls_shift/su_max          0.001
_reflns_number_gt                984
_cod_data_source_file            d1dt00735a2.cif
_cod_data_source_block           pi_TiP
_cod_depositor_comments
'Adding full bibliography for 7707162--7707163.cif.'
_cod_original_sg_symbol_H-M      'P1 21/c 1'
_cod_database_code               7707162