Titanium phosphonate oxo-alkoxide “clusters”: solution stability and facile hydrolytic transformation into nano titania
Svensson, Fredric G.; Daniel, Geoffrey; Tai, Cheuk-Wai; Seisenbaeva, Gulaim A.; Kessler, Vadim G.; RSC Advances 10 (2020) 6873–6883; doi:10.1039/C9RA10691J

data_7239946
_publ_section_title
;
 Titanium phosphonate oxo-alkoxide &#x201C;clusters&#x201D;: solution
 stability and facile hydrolytic transformation into nano titania
;
_journal_issue                   12
_journal_name_full               'RSC Advances'
_journal_page_first              6873
_journal_page_last               6883
_journal_paper_doi               10.1039/C9RA10691J
_journal_volume                  10
_journal_year                    2020
_chemical_formula_sum            'C48 H116 O34 P8 Ti4'
_chemical_formula_weight         1676.77
_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_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-10-12 deposited with the CCDC.	2020-02-10 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 105.719(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.921(4)
_cell_length_b                   20.151(6)
_cell_length_c                   17.426(5)
_cell_measurement_reflns_used    7543
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.20
_cell_measurement_theta_min      2.36
_cell_volume                     4368(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker SMART APEX-II CCD'
_diffrn_measurement_method       'Omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1768
_diffrn_reflns_av_sigmaI/netI    0.1217
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            38586
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         2.36
_exptl_absorpt_coefficient_mu    0.570
_exptl_absorpt_correction_T_max  0.8945
_exptl_absorpt_correction_T_min  0.8211
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1768
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.699
_refine_diff_density_min         -2.720
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
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_refine_ls_number_reflns         7714
_refine_ls_number_restraints     364
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_refine_ls_R_factor_all          0.1658
_refine_ls_R_factor_gt           0.1043
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0443P)^2^+26.4334P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2303
_refine_ls_wR_factor_ref         0.2476
_reflns_number_gt                4454
_reflns_number_total             7714
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9ra10691j2.cif
_cod_data_source_block           tipbu41_170804_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Empirical' was
changed to 'empirical' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7239942--7239948.cif.
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7239946