Grafting ligands to direct the self-assembly of Co/Ni2+ substituted polyoxometalate clusters
Ritchie, Chris; Boyd, Thomas; Long, De-Liang; Ditzel, Evert; Cronin, Leroy; Dalton Transactions  (2009) 1587–1592; doi:10.1039/b814076f

data_7030737
_publ_section_title
;
 Grafting ligands to direct the self-assembly of Co/Ni2+ substituted
 polyoxometalate clusters
;
_journal_coden_ASTM              DTARAF
_journal_issue                   9
_journal_name_full               'Dalton Transactions'
_journal_page_first              1587
_journal_page_last               1592
_journal_paper_doi               10.1039/b814076f
_journal_year                    2009
_chemical_formula_sum            'C144 H553 Co27 N36 Na18 O467 P15 W81'
_chemical_formula_weight         27624.55
_space_group_IT_number           176
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_atom_sites_solution_hydrogens   geom
_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            2
_cell_length_a                   34.7146(5)
_cell_length_b                   34.7146(5)
_cell_length_c                   31.5499(14)
_cell_measurement_temperature    100(2)
_cell_volume                     32927.1(16)
_computing_cell_refinement       'Bruker Apex2'
_computing_data_collection       'Bruker Apex2'
_computing_data_reduction        'Bruker Apex2'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.935
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_device_type  'Bruker Apex2'
_diffrn_measurement_method       '\w & \p scans'
_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  0.0870
_diffrn_reflns_av_sigmaI/netI    0.0814
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            50661
_diffrn_reflns_theta_full        20.00
_diffrn_reflns_theta_max         20.00
_diffrn_reflns_theta_min         1.74
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    14.887
_exptl_absorpt_correction_T_max  0.3822
_exptl_absorpt_correction_T_min  0.0945
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.786
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             25102
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         3.11
_refine_diff_density_min         -1.93
_refine_diff_density_rms         0.40
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     624
_refine_ls_number_reflns         9830
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.1770
_refine_ls_R_factor_gt           0.1181
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1435P)^2^+5545.7017P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2853
_refine_ls_wR_factor_ref         0.3587
_reflns_number_gt                5756
_reflns_number_total             9830
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7000579
_cod_data_source_file            b814076f.txt
_cod_data_source_block           cr4-48bco9
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        32927.0(16)
_cod_original_sg_symbol_H-M      P63/m
_cod_database_code               7030737