Synthesis, Characterization, and Crystal Structures of Double-Cubane-Substituted and Asymmetric Penta-Ni-Substituted Dimeric Polyoxometalates
Zhang, Zhiming; Wang, Enbo; Qi, Yanfei; Li, Yangguang; Mao, Baodong; Su, Zhongmin; Crystal Growth & Design 7 (2007) 1305–; doi:10.1021/cg060868m

data_4504173
_publ_section_title
;
 Synthesis, Characterization, and Crystal Structures of
 Double-Cubane-Substituted and Asymmetric Penta-Ni-Substituted Dimeric
 Polyoxometalates
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1305
_journal_paper_doi               10.1021/cg060868m
_journal_volume                  7
_journal_year                    2007
_chemical_formula_sum            'H106 K6 Na18 Ni10 O185 Si4 W34'
_chemical_formula_weight         10665.63
_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   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                81.44(3)
_cell_angle_beta                 73.87(3)
_cell_angle_gamma                85.31(3)
_cell_formula_units_Z            2
_cell_length_a                   18.435(4)
_cell_length_b                   21.920(4)
_cell_length_c                   25.095(5)
_cell_measurement_reflns_used    66823
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      3.00
_cell_volume                     9624(4)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO'
_computing_data_reduction        'RAPID AUTO'
_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 0.926
_diffrn_measured_fraction_theta_max 0.926
_diffrn_measurement_device_type  'Rigaku RAXIS 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  0.0904
_diffrn_reflns_av_sigmaI/netI    0.1193
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            66823
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    21.483
_exptl_absorpt_correction_T_max  0.009
_exptl_absorpt_correction_T_min  0.002
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'ABSCOR by T.Higashi    8 March, 1995'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    3.680
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             9500
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         2.392
_refine_diff_density_min         -2.640
_refine_diff_density_rms         0.461
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     2450
_refine_ls_number_reflns         31397
_refine_ls_number_restraints     690
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.1181
_refine_ls_R_factor_gt           0.0675
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1684
_refine_ls_wR_factor_ref         0.2011
_reflns_number_gt                19797
_reflns_number_total             31397
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060868msi20070313_030952.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Numerical' changed to
'numerical' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        9624(3)
_cod_original_sg_symbol_H-M      p-1
_cod_database_code               4504173