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_7000577
_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            'C24 H81 Co3 N6 Na2 O56 P W10'
_chemical_formula_weight         3442.19
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 106.846(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.8809(6)
_cell_length_b                   15.1911(4)
_cell_length_c                   25.0011(7)
_cell_measurement_reflns_used    2494
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      37.6
_cell_measurement_theta_min      4.4
_cell_volume                     7226.6(4)
_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    'SHELXL-97 (sHELDRICK, 1997'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0591
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            30329
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.77
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    16.657
_exptl_absorpt_correction_T_max  0.2867
_exptl_absorpt_correction_T_min  0.0575
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    3.164
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             6292
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.67
_refine_diff_density_min         -1.57
_refine_diff_density_rms         0.29
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     506
_refine_ls_number_reflns         7112
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0557
_refine_ls_R_factor_gt           0.0357
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0235P)^2^+152.0031P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0718
_refine_ls_wR_factor_ref         0.0793
_reflns_number_gt                5446
_reflns_number_total             7112
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            B814076f.txt
_cod_data_source_block           cr4-48b
_cod_depositor_comments
;
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_sg_symbol_H-M      C2/c
_cod_database_code               7000577