Motional freedom of dimethylammonium ions in a cyanoelpasolite, [(CH)NH]KCo(CN), which exhibits phase transition associated with a distinct change in dielectric property
The temperature dependence of the 1 H nuclear magnetic resonance spin-lattice relaxation time T 1 of [(CH 3 ) 2 NH 2 ] 2 KCo(CN) 6 and the partially deuterated analogue [(CD 3 ) 2 NH 2 ] 2 KCo(CN) 6 has been reported. A change in the molecular motion of organic cations through the first-order phase...
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| Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2020-05, Vol.22 (17), p.931-937 |
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| container_title | Physical chemistry chemical physics : PCCP |
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| creator | Asaji, Tetsuo |
| description | The temperature dependence of the
1
H nuclear magnetic resonance spin-lattice relaxation time
T
1
of [(CH
3
)
2
NH
2
]
2
KCo(CN)
6
and the partially deuterated analogue [(CD
3
)
2
NH
2
]
2
KCo(CN)
6
has been reported. A change in the molecular motion of organic cations through the first-order phase transition at
T
c
= 246 K has been discussed. Although this first-order transition has been reported as an isosymmetric transition, in which the space group of the crystal does not change, the number of the
14
N nuclear quadrupole resonance line changed from three in the high-temperature phase to twelve in the low-temperature phase indicating the lowering of crystal symmetry.
Although the phase transition of (DMA)
2
KCo(CN)
6
has been reported as an isosymmetric transition,
14
N NQR spectra showed a lowering of crystal symmetry. |
| doi_str_mv | 10.1039/d0cp00680g |
| format | Article |
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1
H nuclear magnetic resonance spin-lattice relaxation time
T
1
of [(CH
3
)
2
NH
2
]
2
KCo(CN)
6
and the partially deuterated analogue [(CD
3
)
2
NH
2
]
2
KCo(CN)
6
has been reported. A change in the molecular motion of organic cations through the first-order phase transition at
T
c
= 246 K has been discussed. Although this first-order transition has been reported as an isosymmetric transition, in which the space group of the crystal does not change, the number of the
14
N nuclear quadrupole resonance line changed from three in the high-temperature phase to twelve in the low-temperature phase indicating the lowering of crystal symmetry.
Although the phase transition of (DMA)
2
KCo(CN)
6
has been reported as an isosymmetric transition,
14
N NQR spectra showed a lowering of crystal symmetry.</description><identifier>ISSN: 1463-9076</identifier><identifier>EISSN: 1463-9084</identifier><identifier>DOI: 10.1039/d0cp00680g</identifier><language>eng</language><ispartof>Physical chemistry chemical physics : PCCP, 2020-05, Vol.22 (17), p.931-937</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Asaji, Tetsuo</creatorcontrib><title>Motional freedom of dimethylammonium ions in a cyanoelpasolite, [(CH)NH]KCo(CN), which exhibits phase transition associated with a distinct change in dielectric property</title><title>Physical chemistry chemical physics : PCCP</title><description>The temperature dependence of the
1
H nuclear magnetic resonance spin-lattice relaxation time
T
1
of [(CH
3
)
2
NH
2
]
2
KCo(CN)
6
and the partially deuterated analogue [(CD
3
)
2
NH
2
]
2
KCo(CN)
6
has been reported. A change in the molecular motion of organic cations through the first-order phase transition at
T
c
= 246 K has been discussed. Although this first-order transition has been reported as an isosymmetric transition, in which the space group of the crystal does not change, the number of the
14
N nuclear quadrupole resonance line changed from three in the high-temperature phase to twelve in the low-temperature phase indicating the lowering of crystal symmetry.
Although the phase transition of (DMA)
2
KCo(CN)
6
has been reported as an isosymmetric transition,
14
N NQR spectra showed a lowering of crystal symmetry.</description><issn>1463-9076</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNp9kE1Lw0AYhBdRsFYv3oXXWwuN7nbTfBwlqBVrvehJpLzdj2YlyYbdlZqf5L80RdGbpxmYhxkYQk4ZvWCU55eSipbSJKObPTJgccKjnGbx_q9Pk0Ny5P0bpZTNGB-QzwcbjG2wAu2UkrYGq0GaWoWyq7CubWPea-gJD6YBBNFhY1XVoreVCWoCL6NiPl7OX-8LOyqW4wlsSyNKUB-lWZvgoS3RKwgOG292S4DeW2EwKAlbE8q-UxofTCMCiBKbjdoNSaMqJYIzAlpnW-VCd0wONFZenfzokDzfXD8V82jxeHtXXC0ixzgPUZxJnVEqNGMxxUykXKVsnVHN8gyTdM2FpoqlaS5nPaGnEqdMaezhPM7ZFPmQnH33Oi9WrTM1um7192ufn_-Xr1qp-ReRo3or</recordid><startdate>20200507</startdate><enddate>20200507</enddate><creator>Asaji, Tetsuo</creator><scope/></search><sort><creationdate>20200507</creationdate><title>Motional freedom of dimethylammonium ions in a cyanoelpasolite, [(CH)NH]KCo(CN), which exhibits phase transition associated with a distinct change in dielectric property</title><author>Asaji, Tetsuo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-r133t-48df800cf1140a8c73e71b80f198a67b3cf0e1779d5114f2da21efa14094912a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Asaji, Tetsuo</creatorcontrib><jtitle>Physical chemistry chemical physics : PCCP</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Asaji, Tetsuo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Motional freedom of dimethylammonium ions in a cyanoelpasolite, [(CH)NH]KCo(CN), which exhibits phase transition associated with a distinct change in dielectric property</atitle><jtitle>Physical chemistry chemical physics : PCCP</jtitle><date>2020-05-07</date><risdate>2020</risdate><volume>22</volume><issue>17</issue><spage>931</spage><epage>937</epage><pages>931-937</pages><issn>1463-9076</issn><eissn>1463-9084</eissn><abstract>The temperature dependence of the
1
H nuclear magnetic resonance spin-lattice relaxation time
T
1
of [(CH
3
)
2
NH
2
]
2
KCo(CN)
6
and the partially deuterated analogue [(CD
3
)
2
NH
2
]
2
KCo(CN)
6
has been reported. A change in the molecular motion of organic cations through the first-order phase transition at
T
c
= 246 K has been discussed. Although this first-order transition has been reported as an isosymmetric transition, in which the space group of the crystal does not change, the number of the
14
N nuclear quadrupole resonance line changed from three in the high-temperature phase to twelve in the low-temperature phase indicating the lowering of crystal symmetry.
Although the phase transition of (DMA)
2
KCo(CN)
6
has been reported as an isosymmetric transition,
14
N NQR spectra showed a lowering of crystal symmetry.</abstract><doi>10.1039/d0cp00680g</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1463-9076 |
| ispartof | Physical chemistry chemical physics : PCCP, 2020-05, Vol.22 (17), p.931-937 |
| issn | 1463-9076 1463-9084 |
| language | eng |
| recordid | cdi_rsc_primary_d0cp00680g |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| title | Motional freedom of dimethylammonium ions in a cyanoelpasolite, [(CH)NH]KCo(CN), which exhibits phase transition associated with a distinct change in dielectric property |
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