A 4-dimethylaminobenzoate-functionalized Ti <sub>6</sub> -oxo cluster with a narrow band gap and enhanced photoelectrochemical activity: a combined experimental and computational study
Lv, Hai-Ting; Cui, Ying; Zhang, Yu-Min; Li, Hua-Min; Zou, Guo-Dong; Duan, Rui-Huan; Cao, Jun-Tao; Jing, Qiang-Shan; Fan, Yang; Dalton Transactions 46 (2017) 12313–12319; doi:10.1039/C7DT02650A

data_1546857
_publ_section_title
;
 A 4-dimethylaminobenzoate-functionalized Ti <sub>6</sub> -oxo cluster
 with a narrow band gap and enhanced photoelectrochemical activity: a
 combined experimental and computational study
;
_journal_issue                   36
_journal_name_full               'Dalton Transactions'
_journal_page_first              12313
_journal_page_last               12319
_journal_paper_doi               10.1039/C7DT02650A
_journal_volume                  46
_journal_year                    2017
_chemical_formula_moiety         'C52 H110 O25 Ti6'
_chemical_formula_sum            'C52 H110 O25 Ti6'
_chemical_formula_weight         1422.79
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-07-19 deposited with the CCDC.
2017-08-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 110.276(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.3256(12)
_cell_length_b                   19.2083(10)
_cell_length_c                   18.3696(10)
_cell_measurement_reflns_used    6883
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      26.5670
_cell_measurement_theta_min      3.1700
_cell_volume                     7720.4(8)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'DIAMOND. Version 3.2k. Crystal Impact'
_computing_publication_material  'Windows Word 2010'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 16.1213
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0409
_diffrn_reflns_av_unetI/netI     0.0433
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            28089
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         2.988
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.655
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.62396
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.224
_exptl_crystal_description       rodlike
_exptl_crystal_F_000             3016
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.416
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     510
_refine_ls_number_reflns         7572
_refine_ls_number_restraints     335
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0959
_refine_ls_R_factor_gt           0.0610
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0730P)^2^+15.3514P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1466
_refine_ls_wR_factor_ref         0.1729
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5164
_reflns_number_total             7572
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt02650a2.cif
_cod_data_source_block           C3
_cod_database_code               1546857
_shelx_shelxl_version_number     2016/6
_shelx_res_checksum              10027