Hexa-substituted polyoxometalates made of trivacant Dawson {P2W15} fragments and {Ni6} clusters under hydrothermal conditions.
Liu, Yong-Chao; Fu, Chun-Hua; Zheng, Shou-Tian; Zhao, Jun-Wei; Yang, Guo-Yu; Dalton transactions (Cambridge, England : 2003) 42 (2013) 16676–16679; doi:10.1039/c3dt51786a

data_7023897
_publ_section_title
;
 Hexa-substituted polyoxometalates made of trivacant Dawson {P2W15}
 fragments and {Ni6} clusters under hydrothermal conditions.
;
_journal_issue                   48
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16676
_journal_page_last               16679
_journal_paper_doi               10.1039/c3dt51786a
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C12 H60 N9 Ni6 O66.5 P2 W15'
_chemical_formula_weight         4566.64
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 95.649(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.850(5)
_cell_length_b                   17.906(6)
_cell_length_c                   28.881(10)
_cell_measurement_reflns_used    13405
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.07
_cell_volume                     7642(4)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Mercury CCD'
_diffrn_measurement_method       '\w 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  0.1095
_diffrn_reflns_av_sigmaI/netI    0.1051
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            46664
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.07
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    24.064
_exptl_absorpt_correction_T_max  0.3791
_exptl_absorpt_correction_T_min  0.1229
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    3.969
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             8140
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         4.442
_refine_diff_density_min         -3.239
_refine_diff_density_rms         0.536
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_matrix_type           full
_refine_ls_number_parameters     923
_refine_ls_number_reflns         13405
_refine_ls_number_restraints     97
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.1242
_refine_ls_R_factor_gt           0.0844
_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^)+(0.0939P)^2^+374.2928P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2030
_refine_ls_wR_factor_ref         0.2311
_reflns_number_gt                9001
_reflns_number_total             13405
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51786a.txt
_cod_data_source_block           2
_cod_original_cell_volume        7642(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C12 H60 N9 Ni6 O66.50 P2 W15'
_cod_database_code               7023897