Synthesis and Characterization of a Series of [M2(β-SiW8O31)2](n-) Clusters and Mechanistic Insight into the Reorganization of {β-SiW8O31} into {α-SiW9O34}.
Winter, Ross S.; Long, De-Liang; Cronin, Leroy; Inorganic chemistry 54 (2015) 4151–4155; doi:10.1021/acs.inorgchem.5b00405

data_4342753
_publ_section_title
;
 Synthesis and Characterization of a Series of [M2(\b-SiW8O31)2](n-)
 Clusters and Mechanistic Insight into the Reorganization of {\b-SiW8O31}
 into {\a-SiW9O34}.
;
_journal_issue                   8
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4151
_journal_page_last               4155
_journal_paper_doi               10.1021/acs.inorgchem.5b00405
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'Co2 H99 Na15 O111 Si2 W16'
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
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_computing_molecular_graphics    Diamond3
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_diffrn_measurement_method       '\w & \p scans'
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_diffrn_reflns_Laue_measured_fraction_full 0.998
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_diffrn_reflns_limit_h_max       14
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'light pink'
_exptl_crystal_density_diffrn    3.579
_exptl_crystal_density_method    none
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_exptl_crystal_F_000             2418
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_refine_ls_R_factor_gt           0.0405
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0173P)^2^+5.3513P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0704
_refine_ls_wR_factor_ref         0.0821
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7281
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            Co2W16.cif
_cod_data_source_block           rw851a1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_secondary' value 'Difmap' changed to 'difmap'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 3143 2015-03-26 13:38:13Z robertas 

 Adding full bibliography for 4342749--4342755.cif.

The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'direct methods' was changed to
'direct'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_cell_volume        2475.77(15)
_cod_database_code               4342753
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_shelx_res_checksum              87253
_shelx_hkl_checksum              49821