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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la7040086
|2 doi
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|a pubmed25n0598.xml
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|a (DE-627)NLM179355473
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|a (NLM)18457431
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Sen, Rupam
|e verfasserin
|4 aut
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1 |
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|a Oxo-vanadium(IV) dihydrogen phosphate
|b preparation, magnetic study, and heterogeneous catalytic epoxidation
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 22.07.2008
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|a Date Revised 28.05.2008
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A layered oxo-vanadium(IV) dihydrogen phosphate, {VO(H2PO 4)2} n has been synthesized hydrothermally and characterized by several physicochemical methods. Single-crystal X-ray analysis (crystal system, tetragonal; space group, P4/ ncc; unit cell dimensions, a = b = 8.9632(4), c = 7.9768(32) A) of {VO(H2PO4) 2} n reveals that the compound has an extended two-dimensional structure. The VO2+ moieties are connected through bridging H 2PO4 (-) ions, and this type of connection propagates parallel to the crystallographic ab plane which gives rise to a layered structure. The layers are staked parallel to the crystallographic c axis with a separation between the layers of ca. 4.0 A. Magnetic susceptibility of {VO(H2PO4)2} n has been measured in the temperature range 2-300 K on a SQUID magnetometer. The magnetic property of {VO(H2PO4)2} n is explicable in the light of a two-dimensional quantum Heisenberg antiferromagnet model. Magnetic pathways are available through the dihydrogen-phosphato bridges within the layer and provide for weak antiferromagnetic interactions. Notably {VO(H2PO4)2} n catalyzes the epoxidation reaction of alkenes with tert-BuOOH in acetonitrile medium under heterogeneous condition
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|a Journal Article
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1 |
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|a Bera, Rajesh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bhattacharjee, Ashis
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gütlich, Philipp
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ghosh, Soumen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mukherjee, Alok K
|e verfasserin
|4 aut
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| 700 |
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|a Koner, Subratanath
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 24(2008), 11 vom: 03. Juni, Seite 5970-5
|w (DE-627)NLM098181009
|x 0743-7463
|7 nnns
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| 773 |
1 |
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|g volume:24
|g year:2008
|g number:11
|g day:03
|g month:06
|g pages:5970-5
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|u http://dx.doi.org/10.1021/la7040086
|3 Volltext
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