An Optically Active Pentacoordinate Silicate: (+)-Bis(triethylammonium) Bis[(<i>R</i>,<i>R</i>)-tartrato(4–)]diphenyldisilicate
Wang, Z.-G.; Liu, S.-G.; Wang, D.; Sui, X.-M.; Acta Crystallographica Section C 52 (1996) 3179–3181; doi:10.1107/S0108270196009432

data_2005731
_publ_section_title
;
 An Optically Active Pentacoordinate Silicate:
 (+)-Bis(triethylammonium)
 Bis[(<i>R</i>,<i>R</i>)-tartrato(4--)]diphenyldisilicate
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              3179
_journal_page_last               3181
_journal_paper_doi               10.1107/S0108270196009432
_journal_volume                  52
_journal_year                    1996
_chemical_formula_moiety         '2C6 H16 N +,C20 H14 O12 Si2 2-'
_chemical_formula_sum            'C32 H46 N2 O12 Si2'
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'MSC/AFC Diffractometer Control (Molecular Structure Corporation, 1991)'
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'MSC/AFC Diffractometer Control (Molecular Structure Corporation, 1991)'
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'teXsan PROCESS (Molecular Structure Corporation, 1991)'
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'teXsan FINISH (Molecular Structure Corporation, 1991)'
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'teXsan LS (Molecular Structure Corporation, 1991)'
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'H atoms placed in calculated positions but not refined'
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'NO' changed to 'no' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (88
times).

'_geom_angle_publ_flag' value 'NO' changed to 'no' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (60 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'w^-1^ = \s^2^(F~obs~)' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to 'w^-1^ = \s^2^(F~obs~)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        3566.0(10)
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_database_code               2005731