Exploring untapped potential of the molecular precursor approach to control fluorine-doping in mesostructured titania for acid catalysis
Elgayar, Fouad; Jeanneau, Erwann; Bargiela, Pascal; Mesbah, Adel; Essayem, Nadine; Mishra, Shashank; Catalysis Science & Technology 15 (2025) 6744–6756; doi:10.1039/D5CY00688K

data_1575812
_publ_section_title
;
 Exploring untapped potential of the molecular precursor approach to
 control fluorine-doping in mesostructured titania for acid catalysis
;
_journal_issue                   22
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              6744
_journal_page_last               6756
_journal_paper_doi               10.1039/D5CY00688K
_journal_volume                  15
_journal_year                    2025
_chemical_formula_moiety         'C18 H18 F24 N2 O4 Ti'
_chemical_formula_sum            'C18 H18 F24 N2 O4 Ti'
_chemical_formula_weight         830.24
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-03-26
_audit_creation_method
;
Olex2 1.5-ac6-015
(compiled 2023.12.04 svn.r209d9fb2 for Rigaku Oxford Diffraction, GUI svn.r6873)
;
_audit_update_record
;
2025-02-19 deposited with the CCDC.	2025-09-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.9682(2)
_cell_length_b                   12.04780(10)
_cell_length_c                   28.9061(3)
_cell_measurement_reflns_used    37947
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      30.2710
_cell_measurement_theta_min      2.9100
_cell_volume                     5561.00(10)
_computing_cell_refinement       'CrysAlisPro 1.171.43.105a (Rigaku OD, 2024)'
_computing_data_collection
'CrysAlisPro system (CCD 43.105a 64-bit (release 11-01-2024))'
_computing_data_reduction        'CrysAlisPro 1.171.43.105a (Rigaku OD, 2024)'
_computing_molecular_graphics    'Olex2 1.5-ac6-015 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-ac6-015 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.0(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            'HyPix-Arc 100'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.888
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -86.00 -35.00   0.50    7.41    --   -6.25 -21.00 130.00  102
  2  \w     -8.00  73.00   0.50    7.41    --   -6.25  21.00 -62.00  162
  3  \w    -19.00  39.00   0.50    7.41    --   -6.25  57.00 -60.00  116
  4  \w     -6.00  39.00   0.50    7.41    --    7.11  57.00  60.00   90
  5  \w    -21.00  28.00   0.50    7.41    --    7.11 -77.00 120.00   98
  6  \w     -6.00  39.00   0.50    7.41    --    7.11  57.00-120.00   90
  7  \w    -73.00 -48.00   0.50    7.41    --    7.11 -19.00  90.00   50
  8  \w    -21.00  28.00   0.50    7.41    --    7.11 -77.00-150.00   98
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix-Arc 100'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0098937000
_diffrn_orient_matrix_UB_12      0.0084250000
_diffrn_orient_matrix_UB_13      0.0236495000
_diffrn_orient_matrix_UB_21      0.0067196000
_diffrn_orient_matrix_UB_22      -0.0578359000
_diffrn_orient_matrix_UB_23      0.0027175000
_diffrn_orient_matrix_UB_31      0.0428034000
_diffrn_orient_matrix_UB_32      0.0071257000
_diffrn_orient_matrix_UB_33      -0.0058921000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0218
_diffrn_reflns_av_unetI/netI     0.0127
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.888
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            68578
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.888
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.508
_diffrn_reflns_theta_min         2.544
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.501
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.89964
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.105a (Rigaku Oxford Diffraction, 2024)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.983
_exptl_crystal_description       block
_exptl_crystal_F_000             3280
_exptl_crystal_size_max          0.388
_exptl_crystal_size_mid          0.262
_exptl_crystal_size_min          0.241
_refine_diff_density_max         0.679
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     446
_refine_ls_number_reflns         7546
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0347
_refine_ls_R_factor_gt           0.0288
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0328P)^2^+3.7153P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0719
_refine_ls_wR_factor_ref         0.0749
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6580
_reflns_number_total             7546
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5cy00688k2.cif
_cod_data_source_block           flgb021_autored
_cod_depositor_comments
'Adding full bibliography for 1575809--1575816.cif.'
_cod_database_code               1575812
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C144 H152 F192 N16 O32 Ti8 '
_shelx_estimated_absorpt_t_max   0.889
_shelx_estimated_absorpt_t_min   0.829
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C13(H13), C16(H16)
2.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C9(H9A,H9B)
2.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C2(H2A,H2B,H2C), C7(H7A,H7B,H7C), C8(H8A,H8B,H8C)
;
_shelx_res_checksum              26544
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a MITIGEN holder in perfluoroether oil'
_olex2_submission_original_sample_id FLGB021
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.209
_oxdiff_exptl_absorpt_empirical_full_min 0.798