Polyoxometalate-based cobalt-phosphate molecular catalysts for visible light-driven water oxidation.
Han, Xin-Bao; Zhang, Zhi-Ming; Zhang, Teng; Li, Yang-Guang; Lin, Wenbin; You, Wansheng; Su, Zhong-Min; Wang, En-Bo; Journal of the American Chemical Society 136 (2014) 5359–5366; doi:10.1021/ja412886e

data_4121558
_publ_section_title
;
 Polyoxometalate-based cobalt-phosphate molecular catalysts for visible
 light-driven water oxidation.
;
_journal_issue                   14
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5359
_journal_page_last               5366
_journal_paper_doi               10.1021/ja412886e
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'Co16 H116 Na32 O216 P4 Si4 W36'
_chemical_formula_weight         12106.33
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           197
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'I 2 2 3'
_symmetry_space_group_name_H-M   'I 2 3'
_atom_sites_solution_hydrogens   NONE
_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                90.00
_cell_formula_units_Z            2
_cell_length_a                   23.950(3)
_cell_length_b                   23.950(3)
_cell_length_c                   23.950(3)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.98
_cell_measurement_theta_min      3.18
_cell_volume                     13738(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0.01
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID IP'
_diffrn_measurement_method       Oscillation
_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  0.1598
_diffrn_reflns_av_sigmaI/netI    0.0771
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            49441
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         3.18
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    16.123
_exptl_absorpt_correction_T_max  0.3982
_exptl_absorpt_correction_T_min  0.0789
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR by T.Higashi    8 March, 1995'
_exptl_crystal_colour            'dark purple'
_exptl_crystal_density_diffrn    2.927
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             10816
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.386
_refine_diff_density_min         -1.073
_refine_diff_density_rms         0.251
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.904
_refine_ls_hydrogen_treatment    NONE
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         4055
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      0.903
_refine_ls_R_factor_all          0.0679
_refine_ls_R_factor_gt           0.0516
_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^)+(0.0835P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1183
_refine_ls_wR_factor_ref         0.1267
_reflns_number_gt                3356
_reflns_number_total             4055
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja412886e_si_006.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Cubic' changed to 'cubic' according
to
/usr/data/users/saulius/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4121557--4121563.cif.
;
_cod_original_sg_symbol_H-M      I23
_cod_database_code               4121558