Trinuclear copper() bromide complex [CHNBr][CuBr]. Structure, magnetic properties and DFT calculations
Halidocuprates( ii ) show unusual magnetic properties and a high degree of structural flexibility. We present the results of crystallographic, electron paramagnetic resonance (EPR) spectroscopic and magnetochemical analyses of a new [HL] 2 n [Cu 3 Br 8 ] n compound (HL = 3-amino-4-bromopyrazolium) -...
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| Veröffentlicht in: | New journal of chemistry 2019-12, Vol.43 (46), p.1823-1829 |
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| container_title | New journal of chemistry |
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| creator | Berezin, A. S Komarovskikh, A. Yu Komarov, V. Y Syrokvashin, M. M Sheven, D. G |
| description | Halidocuprates(
ii
) show unusual magnetic properties and a high degree of structural flexibility. We present the results of crystallographic, electron paramagnetic resonance (EPR) spectroscopic and magnetochemical analyses of a new [HL]
2
n
[Cu
3
Br
8
]
n
compound (HL = 3-amino-4-bromopyrazolium) - the first example of an inorganic polymer built from trimeric [Cu
3
Br
8
]
2−
units with a 5-membered nitrogen-containing heterocycle as an organic counter ion. The EPR spectrum of the polycrystalline sample exhibited a signal at
g
≅ 2.06 broadened owing to spin-spin interactions between copper ions. The EPR and magnetochemical data indicate a ferromagnetic intertrimer interaction with
Θ
= 13 K and an antiferromagnetic intratrimer interaction with
J
= 310 K between the nearest-neighbor copper(
ii
) ions, which is in agreement with DFT calculations.
Halidocuprates(
ii
) show unusual magnetic properties and a high degree of structural flexibility. |
| doi_str_mv | 10.1039/c9nj04826j |
| format | Article |
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ii
) show unusual magnetic properties and a high degree of structural flexibility. We present the results of crystallographic, electron paramagnetic resonance (EPR) spectroscopic and magnetochemical analyses of a new [HL]
2
n
[Cu
3
Br
8
]
n
compound (HL = 3-amino-4-bromopyrazolium) - the first example of an inorganic polymer built from trimeric [Cu
3
Br
8
]
2−
units with a 5-membered nitrogen-containing heterocycle as an organic counter ion. The EPR spectrum of the polycrystalline sample exhibited a signal at
g
≅ 2.06 broadened owing to spin-spin interactions between copper ions. The EPR and magnetochemical data indicate a ferromagnetic intertrimer interaction with
Θ
= 13 K and an antiferromagnetic intratrimer interaction with
J
= 310 K between the nearest-neighbor copper(
ii
) ions, which is in agreement with DFT calculations.
Halidocuprates(
ii
) show unusual magnetic properties and a high degree of structural flexibility.</description><identifier>ISSN: 1144-0546</identifier><identifier>EISSN: 1369-9261</identifier><identifier>DOI: 10.1039/c9nj04826j</identifier><language>eng</language><ispartof>New journal of chemistry, 2019-12, Vol.43 (46), p.1823-1829</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>315,782,786,27931,27932</link.rule.ids></links><search><creatorcontrib>Berezin, A. S</creatorcontrib><creatorcontrib>Komarovskikh, A. Yu</creatorcontrib><creatorcontrib>Komarov, V. Y</creatorcontrib><creatorcontrib>Syrokvashin, M. M</creatorcontrib><creatorcontrib>Sheven, D. G</creatorcontrib><title>Trinuclear copper() bromide complex [CHNBr][CuBr]. Structure, magnetic properties and DFT calculations</title><title>New journal of chemistry</title><description>Halidocuprates(
ii
) show unusual magnetic properties and a high degree of structural flexibility. We present the results of crystallographic, electron paramagnetic resonance (EPR) spectroscopic and magnetochemical analyses of a new [HL]
2
n
[Cu
3
Br
8
]
n
compound (HL = 3-amino-4-bromopyrazolium) - the first example of an inorganic polymer built from trimeric [Cu
3
Br
8
]
2−
units with a 5-membered nitrogen-containing heterocycle as an organic counter ion. The EPR spectrum of the polycrystalline sample exhibited a signal at
g
≅ 2.06 broadened owing to spin-spin interactions between copper ions. The EPR and magnetochemical data indicate a ferromagnetic intertrimer interaction with
Θ
= 13 K and an antiferromagnetic intratrimer interaction with
J
= 310 K between the nearest-neighbor copper(
ii
) ions, which is in agreement with DFT calculations.
Halidocuprates(
ii
) show unusual magnetic properties and a high degree of structural flexibility.</description><issn>1144-0546</issn><issn>1369-9261</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNpFUE1LxDAUDKLgunrxLuSoYNe8pGnTo1bXFRY9WE-LLEmaSkq_eE1B_70VBS8zw8AM7w0h58BWwER2Y7OuZrHiSX1AFiCSLMp4AoezhjiOmIyTY3IyjjVjAGkCC1IV6LvJNk4jtf0wOLy8ogb71pduNtqhcZ90l2-e7_B9l08zruhrwMmGCd01bfVH54K3dMB-zgbvRqq7kt6vC2p1Y6dGB9934yk5qnQzurM_XpK39UORb6Lty-NTfruNEFgaIjmfJZzOJGep1mBSEIZXalZKpInhVglpYhA841JIoUrFXKm0ERXEPx-JJbn47cXR7gf0rcav_f8o4huP5lUA</recordid><startdate>20191214</startdate><enddate>20191214</enddate><creator>Berezin, A. S</creator><creator>Komarovskikh, A. Yu</creator><creator>Komarov, V. Y</creator><creator>Syrokvashin, M. M</creator><creator>Sheven, D. G</creator><scope/></search><sort><creationdate>20191214</creationdate><title>Trinuclear copper() bromide complex [CHNBr][CuBr]. Structure, magnetic properties and DFT calculations</title><author>Berezin, A. S ; Komarovskikh, A. Yu ; Komarov, V. Y ; Syrokvashin, M. M ; Sheven, D. G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-r107t-50113ea95207aa1b713b2f8a1b8376b2c835b41329253538d80ed8ab3f1401173</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Berezin, A. S</creatorcontrib><creatorcontrib>Komarovskikh, A. Yu</creatorcontrib><creatorcontrib>Komarov, V. Y</creatorcontrib><creatorcontrib>Syrokvashin, M. M</creatorcontrib><creatorcontrib>Sheven, D. G</creatorcontrib><jtitle>New journal of chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Berezin, A. S</au><au>Komarovskikh, A. Yu</au><au>Komarov, V. Y</au><au>Syrokvashin, M. M</au><au>Sheven, D. G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Trinuclear copper() bromide complex [CHNBr][CuBr]. Structure, magnetic properties and DFT calculations</atitle><jtitle>New journal of chemistry</jtitle><date>2019-12-14</date><risdate>2019</risdate><volume>43</volume><issue>46</issue><spage>1823</spage><epage>1829</epage><pages>1823-1829</pages><issn>1144-0546</issn><eissn>1369-9261</eissn><abstract>Halidocuprates(
ii
) show unusual magnetic properties and a high degree of structural flexibility. We present the results of crystallographic, electron paramagnetic resonance (EPR) spectroscopic and magnetochemical analyses of a new [HL]
2
n
[Cu
3
Br
8
]
n
compound (HL = 3-amino-4-bromopyrazolium) - the first example of an inorganic polymer built from trimeric [Cu
3
Br
8
]
2−
units with a 5-membered nitrogen-containing heterocycle as an organic counter ion. The EPR spectrum of the polycrystalline sample exhibited a signal at
g
≅ 2.06 broadened owing to spin-spin interactions between copper ions. The EPR and magnetochemical data indicate a ferromagnetic intertrimer interaction with
Θ
= 13 K and an antiferromagnetic intratrimer interaction with
J
= 310 K between the nearest-neighbor copper(
ii
) ions, which is in agreement with DFT calculations.
Halidocuprates(
ii
) show unusual magnetic properties and a high degree of structural flexibility.</abstract><doi>10.1039/c9nj04826j</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1144-0546 |
| ispartof | New journal of chemistry, 2019-12, Vol.43 (46), p.1823-1829 |
| issn | 1144-0546 1369-9261 |
| language | eng |
| recordid | cdi_rsc_primary_c9nj04826j |
| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| title | Trinuclear copper() bromide complex [CHNBr][CuBr]. Structure, magnetic properties and DFT calculations |
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