Polynuclear complexes of main group and transition metals with polyaminopolycarboxylate and polyoxometalate.
Zhang, Chun-Hua; Chen, Ya-Guang; Tang, Qun; Liu, Shu-Xia; Dalton transactions (Cambridge, England : 2003) 41 (2012) 9971–9978; doi:10.1039/c2dt12508k

data_7019674
_publ_section_title
;
 Polynuclear complexes of main group and transition metals with
 polyaminopolycarboxylate and polyoxometalate.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9971
_journal_page_last               9978
_journal_paper_doi               10.1039/c2dt12508k
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C28 H66 N8 O72 Si Sr3 W12'
_chemical_formula_weight         4163.92
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                99.882(5)
_cell_angle_beta                 96.920(5)
_cell_angle_gamma                101.044(5)
_cell_formula_units_Z            1
_cell_length_a                   10.863(5)
_cell_length_b                   12.385(5)
_cell_length_c                   15.883(5)
_cell_measurement_reflns_used    2540
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      4
_cell_volume                     2040.0(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '/w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0702
_diffrn_reflns_av_sigmaI/netI    0.1452
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            13927
_diffrn_reflns_theta_full        25.75
_diffrn_reflns_theta_max         25.75
_diffrn_reflns_theta_min         3.40
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    18.920
_exptl_absorpt_correction_T_max  0.192
_exptl_absorpt_correction_T_min  0.184
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    3.389
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1882.0
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         2.359
_refine_diff_density_min         -2.249
_refine_diff_density_rms         0.366
_refine_ls_extinction_coef       0.00009(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.991
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     576
_refine_ls_number_reflns         7725
_refine_ls_number_restraints     85
_refine_ls_restrained_S_all      0.993
_refine_ls_R_factor_all          0.1284
_refine_ls_R_factor_gt           0.0707
_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^)+(0.0360P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1202
_refine_ls_wR_factor_ref         0.1407
_reflns_number_gt                4879
_reflns_number_total             7807
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12508k.txt
_cod_data_source_block           Sr
_cod_database_code               7019674