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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F10%3A00437042%21RIV15-AV0-61388955
rdf:type
skos:Concept n16:Vysledek
dcterms:description
S-(-)-1-phenyl ethyl ammonium(1+) sulphate and S-(-)-1-phenyl ethyl ammonium(1+) hydrogen phosphate 2.5 hydrate were prepared at laboratory temperature by slow evaporation of aqueous solutions of a mixture of S-(-)-1-phenyl ethyl amine and H(2)SO(4) or H(3)PO(4) in a molar ratio of 2: 1. The chirality on the organic amine was retained during the preparation and the obtained substances crystallized in non-centrosymmetric space groups. S-(-)-1-phenyl ethyl ammonium (1+) sulphate crystallizes in a monoclinic crystal system, space group C2, a = 10.8050(5) angstrom, b = 6.1080(4) angstrom, c = 13.3430(8) angstrom, beta = 90.679(4)degrees, V= 880.54(9) angstrom(3), Z = 2, calculated density 1.284 g cm(-3). S-(-)-1-phenyl ethyl ammonium(1+) hydrogen phosphate 2.5 hydrate crystallizes in a monoclinic crystal system, space group P2(1), a = 16.7810(10) angstrom, b = 6.2870(2) angstrom. C = 19.7060(12) angstrom, beta = 109.160(2)degrees, V = 1963.86(18) angstrom(3), Z = 4, calculated density 1.303 g cm(-3). Space groups C2 and P2(1) belong amongst %22polar%22 groups, that could exhibit interesting dielectric properties, which have been studied (dependence of the polarization on an external electric field or of the relative permittivity on the temperature), and generation of the second harmonic frequency. Both substances were further characterized by chemical analysis, X-ray structural and powder analysis, infrared and Raman spectroscopy and thermal analysis (DTA, TGA). (C) 2010 Elsevier B.V. All rights reserved. S-(-)-1-phenyl ethyl ammonium(1+) sulphate and S-(-)-1-phenyl ethyl ammonium(1+) hydrogen phosphate 2.5 hydrate were prepared at laboratory temperature by slow evaporation of aqueous solutions of a mixture of S-(-)-1-phenyl ethyl amine and H(2)SO(4) or H(3)PO(4) in a molar ratio of 2: 1. The chirality on the organic amine was retained during the preparation and the obtained substances crystallized in non-centrosymmetric space groups. S-(-)-1-phenyl ethyl ammonium (1+) sulphate crystallizes in a monoclinic crystal system, space group C2, a = 10.8050(5) angstrom, b = 6.1080(4) angstrom, c = 13.3430(8) angstrom, beta = 90.679(4)degrees, V= 880.54(9) angstrom(3), Z = 2, calculated density 1.284 g cm(-3). S-(-)-1-phenyl ethyl ammonium(1+) hydrogen phosphate 2.5 hydrate crystallizes in a monoclinic crystal system, space group P2(1), a = 16.7810(10) angstrom, b = 6.2870(2) angstrom. C = 19.7060(12) angstrom, beta = 109.160(2)degrees, V = 1963.86(18) angstrom(3), Z = 4, calculated density 1.303 g cm(-3). Space groups C2 and P2(1) belong amongst %22polar%22 groups, that could exhibit interesting dielectric properties, which have been studied (dependence of the polarization on an external electric field or of the relative permittivity on the temperature), and generation of the second harmonic frequency. Both substances were further characterized by chemical analysis, X-ray structural and powder analysis, infrared and Raman spectroscopy and thermal analysis (DTA, TGA). (C) 2010 Elsevier B.V. All rights reserved.
dcterms:title
S-(-)-1-phenyl ethyl ammonium(1+) sulphate and S-(-)-1-phenyl ethyl ammonium(1+) hydrogen phosphate 2.5 hydrate, preparation and characterization of crystallographic, optical and dielectric properties S-(-)-1-phenyl ethyl ammonium(1+) sulphate and S-(-)-1-phenyl ethyl ammonium(1+) hydrogen phosphate 2.5 hydrate, preparation and characterization of crystallographic, optical and dielectric properties
skos:prefLabel
S-(-)-1-phenyl ethyl ammonium(1+) sulphate and S-(-)-1-phenyl ethyl ammonium(1+) hydrogen phosphate 2.5 hydrate, preparation and characterization of crystallographic, optical and dielectric properties S-(-)-1-phenyl ethyl ammonium(1+) sulphate and S-(-)-1-phenyl ethyl ammonium(1+) hydrogen phosphate 2.5 hydrate, preparation and characterization of crystallographic, optical and dielectric properties
skos:notation
RIV/61388955:_____/10:00437042!RIV15-AV0-61388955
n3:aktivita
n14:Z n14:P
n3:aktivity
P(GA203/09/0878), Z(AV0Z40400503), Z(MSM0021620857)
n3:cisloPeriodika
1-3
n3:dodaniDat
n9:2015
n3:domaciTvurceVysledku
n7:3493725
n3:druhVysledku
n17:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
291752
n3:idVysledku
RIV/61388955:_____/10:00437042
n3:jazykVysledku
n19:eng
n3:klicovaSlova
Chiral amines - salts; Crystal structure; IR and Raman spectroscopy
n3:klicoveSlovo
n18:IR%20and%20Raman%20spectroscopy n18:Chiral%20amines n18:Crystal%20structure
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[215BF569CEA4]
n3:nazevZdroje
Journal of Molecular Structure
n3:obor
n12:CF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n4:GA203%2F09%2F0878
n3:rokUplatneniVysledku
n9:2010
n3:svazekPeriodika
980
n3:tvurceVysledku
Havlíček, D. Gyepes, R. Koleva, Z. Němec, I. Cihelka, Jaroslav
n3:wos
000282108900006
n3:zamer
n6:AV0Z40400503 n6:MSM0021620857
s:issn
0022-2860
s:numberOfPages
8
n13:doi
10.1016/j.molstruc.2010.06.033