Ionic liquids and solids with paramagnetic anionsElectronic supplementary information (ESI) available: Experimental details. CCDC reference numbers 781604-781605. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/b920652nThis article was submitted as part of a Themed Issue on ionic liquids. Other papers on this topic can be found in issue 8 of vol. 12 (2010). This issue can be found from the PCCP homepage [http://www.rsc.org/pccp]
Four paramagnetic ionic compounds have been prepared and their magnetic, structural and thermal properties have been investigated. The four compounds are methylbutylpyrrolidinium tetrachloroferrate( iii ) ([Pyrr 14 ] + /[FeCl 4 ] − ), methyltributylammonium tetrachloroferrate( iii ) ([N 1444 ] + /[F...
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| Main Authors | , , , , |
|---|---|
| Format | Journal Article |
| Language | English |
| Published |
29.07.2010
|
| Online Access | Get full text |
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| Summary: | Four paramagnetic ionic compounds have been prepared and their magnetic, structural and thermal properties have been investigated. The four compounds are methylbutylpyrrolidinium tetrachloroferrate(
iii
) ([Pyrr
14
]
+
/[FeCl
4
]
−
), methyltributylammonium tetrachloroferrate(
iii
) ([N
1444
]
+
/[FeCl
4
]
−
), butylmethylimidazolium tetrachloroferrate(
iii
) ([bmim]
+
/[FeCl
4
]
−
) and tetrabutylammonium bromotrichloroferrate(
iii
) ([N
4444
]
+
/[FeBrCl
3
]
−
). Temperature-dependent studies of their magnetic behaviors show that all four compounds are paramagnetic at ambient temperatures. Glass transitions are observed for only two of the four compounds, [Pyrr
14
]
+
/[FeCl
4
]
−
and [bmim]
+
/[FeCl
4
]
−
. Crystal structures for [Pyrr
14
]
+
/[FeCl
4
]
−
and [N
1444
]
+
/[FeCl
4
]
−
are compared with the previously reported [N
4444
]
+
/[FeBrCl
3
]
−
.
One-quarter of the unit cell of the new paramagnetic ionic compound [Pyrr
14
]
+
/[FeCl
4
]
−
. |
|---|---|
| Bibliography: | http://www.rsc.org/pccp For ESI and crystallographic data in CIF or other electronic format see DOI This article was submitted as part of a Themed Issue on ionic liquids. Other papers on this topic can be found in issue 8 of vol. 12 (2010). This issue can be found from the PCCP 10.1039/b920652n 781604-781605 Electronic supplementary information (ESI) available: Experimental details. CCDC reference numbers ] homepage |
| ISSN: | 1463-9076 1463-9084 |
| DOI: | 10.1039/b920652n |