Book chapter
Octahedral Hexatungsten Halide Clusters
Inorganic Syntheses: Volume 36, pp.19-23
John Wiley & Sons, Inc
05/02/2014
DOI: 10.1002/9781118744994.ch04
Abstract
Treatment of hexatungsten dodecachloride (W
6
Cl
12
) with concentrated hydrochloric acid yields the discrete cluster dianion [W
6
(μ3‐Cl)
8
Cl
6
]
2
−
as the H
3
O
+
salt. [W
6
(μ3‐Cl)
8
Cl
6
]
2
−
, with a variety of cations, has attracted considerable interest because of its long photophysical lifetimes and photochemical, electrochemical, and spectroscopic properties. Bismuth is an ideal reductant for WCl
6
because it is nontoxic, inexpensive, not impeded by a surface oxide, does not readily reduce W
6
Cl
12
, and forms volatile but low vapor pressure BiCl
3
for greatly improved safety in sealed tube reactions. This chapter presents an approach to the convenient preparation of (H
3
O)
2
[W
6
(μ3‐Cl)
8
Cl
6
].6H
2
O and thus W
6
Cl
12
at significantly lower temperatures and greater yield than other published procedures. The procedure is simple enough for use in undergraduate inorganic synthesis laboratory courses, particularly when combined with instruction in basic glassblowing.
Details
- Title: Subtitle
- Octahedral Hexatungsten Halide Clusters
- Creators
- Donald D Nolting - Department of Chemistry, The University of Iowa, Iowa City, IA 52242Louis Messerle - Department of Chemistry, The University of Iowa, Iowa City, IA 52242Min Yuan - Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853Francis J Disalvo - Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853
- Contributors
- Gregory S Girolami (Editor) - University of Illinois at Urbana‐ChampaignAlfred P Sattelberger (Editor) - Argonne National Laboratory
- Resource Type
- Book chapter
- Publication Details
- Inorganic Syntheses: Volume 36, pp.19-23
- DOI
- 10.1002/9781118744994.ch04
- Publisher
- John Wiley & Sons, Inc; Hoboken, New Jersey
- Number of pages
- 5
- Language
- English
- Date published
- 05/02/2014
- Academic Unit
- Radiology; Chemistry
- Record Identifier
- 9984216578302771
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