Cyclic Ti9 Keggin Trimers with Tetrahedral (PO4) or Octahedral (TiO6) Capping Groups
Ghada A. Al-Kadamany; Firasat Hussain; Sib Sankar Mal; Michael H. Dickman; Nathalie Leclerc-Laronze; Jérôme Marrot; Emmanuel Cadot; Ulrich Kortz; Inorganic Chemistry 47 (2008) 8574–8576; doi:10.1021/ic801114n

data_4306275
_publ_section_title
;
Cyclic Ti9 Keggin Trimers with Tetrahedral (PO4) or Octahedral (TiO6)
Capping Groups
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8574
_journal_page_last               8576
_journal_paper_doi               10.1021/ic801114n
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'H56 K11 O146 P4 Rb7 Ti9 W27'
_chemical_formula_weight         8938.4
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           160
_symmetry_cell_setting           rhombohedral
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   29.7444(7)
_cell_length_b                   29.7444(7)
_cell_length_c                   13.6254(9)
_cell_measurement_reflns_used    4880
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.03
_cell_measurement_theta_min      3.38
_cell_volume                     10439.8(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         ' sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1800
_diffrn_reflns_av_sigmaI/netI    0.0626
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            116147
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    24.508
_exptl_absorpt_correction_T_max  0.4406
_exptl_absorpt_correction_T_min  0.1570
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    4.003
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             10989
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         4.971
_refine_diff_density_min         -3.577
_refine_diff_density_rms         0.562
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.24(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         5630
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0792
_refine_ls_R_factor_gt           0.0639
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1260P)^2^+84.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1705
_refine_ls_wR_factor_ref         0.1853
_reflns_number_gt                4707
_reflns_number_total             5630
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801114n_si_001_1.cif
_cod_data_source_block           r3
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Rhombohedral' changed to 'rhombohedral'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_database_code               4306275