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182 0 _ab
200 1 _aStructure and paramagnetic properties of tris-pivaloyltrifluoracetonate thulium(III) complexes with 18-crown-6 by X-ray analysis and NMR
_fS. P. Babailov [et al.]
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: p. 185 (32 tit.)]
330 _aSynthesis and the crystal structure of a novel complex Tm(III) tris-pivaloyltrifluoracetonate, [Tm2(ptf)6] (I) and Tm(III)-tris-pivaloyltrifluoracetonate-(isopropanol)aqua with 18-crown-6 {[Tm(ptf)3(HOCH(CH3)2)H2O] Ч (18-crown-6)} (II) are reported. A single crystal X-ray diffraction study revealed that complex I has molecular structure which consists of discrete dimeric [Tm2(ptf)6] molecules. Two thulium atoms are located at the 3.7993(2) Е distance. Complex II has molecular structure with hydrogen bonds between oxygen atoms of water molecule and 18-crown-6. Thermogravimetric data evidence the volatility of compound I. It was found by 1H NMR that complexes I, II, [Tm(H2O)(ptf)3] and [Tm(H2O)(ptf)3] Ч (18-crown-6) may be used (due to the substantial temperature dependence of the paramagnetic lanthanide-induced shifts {LIS}) as NMR thermometric sensors for controlling the local temperature in organic media. According to our information this is the first example of a detailed study of the essential temperature dependence of the LIS on 1/T for Tm complexes in organic media.
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tPolyhedron
_oScientific Journal
463 _tVol. 105
_v[P. 178-185]
_d2016
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _aмолекулярная структура
610 1 _aкристаллическое состояние
610 1 _aволатильность
701 1 _aBabailov
_bS. P.
_cchemist
_cSenior researcher of Tomsk Polytechnic University
_f1960-
_gSergey Pavlovich
_2stltpush
_3(RuTPU)RU\TPU\pers\36566
701 1 _aStabnikov
_bP. A.
_gPavel Aleksandrovich
701 1 _aKorolkov
_bI. V.
_gIljya Viktorovich
701 1 _aPervukhina
_bN. V.
_gNataljya Viktorovna
701 0 _aKoshcheeva
_bO. S.
_gOlga Sergeevna
701 1 _aChuykov
_bI. P.
_gIgor Petrovich
712 0 2 _aНациональный исследовательский Томский политехнический университет (ТПУ)
_bФизико-технический институт (ФТИ)
_bКафедра химической технологии редких, рассеянных и радиоактивных элементов (№ 43) (ХТРЭ)
_h56
_2stltpush
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_b63413507
_c20160610
_gRCR
856 4 _uhttp://dx.doi.org/10.1016/j.poly.2015.12.014
942 _cCF