Thermodynamic properties of [C6mim][NTf2] in the condensed state

被引：149

作者：

Blokhin, Andrey V. ^{[1
]}

Paulechka, Yauheni U. ^{[1
]}

Kabo, Gennady J. ^{[1
]}

机构：

[1] Belarusian State Univ, Fac Chem, Minsk 220030, BELARUS

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2006年 / 51卷 / 04期

关键词：

D O I：

10.1021/je060094d

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Heat capacities of 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide [C(6)mim][NTf2] have been measured with a new adiabatic calorimeter in a range of temperatures of ( 5 to 370) K. The substance was found to form glass with T-g = 184.3 K and Delta C-1(gl)s,m = (170.7 +/- 2.8) J center dot K-1, mol(-1). At different modes of crystallization [C(6)mim][NTf2] forms at least three crystals, the heat capacities of which differ up to 2% in the temperature range of (220 to 250) K but coincide within 0.1% in the temperature range of (80 to 220) K. Triple-point temperature for all the crystals is T-0 = (272.03 +/- 0.01) K, but the enthalpies of fusion are somewhat different. Thermodynamic properties for [C(6)mim][NTf2] are calculated based on the obtained data.

引用

页码：1377 / 1388

页数：12

共 15 条

[1] ADIABATIC CALORIMETER FOR USE AT SUPER-AMBIENT TEMPERATURES - HEAT-CAPACITY OF SYNTHETIC SAPPHIRE (ALPHA-AL2O3) FROM 300-K TO 550-K [J].

ANDREWS, JTS ;

NORTON, PA ;

WESTRUM, EF .

JOURNAL OF CHEMICAL THERMODYNAMICS, 1978, 10 (10) :949-958

[2] ENTHALPY AND HEAT-CAPACITY STANDARD REFERENCE MATERIAL - SYNTHETIC SAPPHIRE (ALPHA-AL2O3) FROM 10 TO 2250 K [J].

DITMARS, DA ;

ISHIHARA, S ;

CHANG, SS ;

BERNSTEIN, G ;

WEST, ED .

JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1982, 87 (02) :159-163

[3] THERMAL PROPERTIES OF ALUMINUM OXIDE FROM 0-DEGREES TO 1200-DEGREES-K [J].

FURUKAWA, GT ;

DOUGLAS, TB ;

MCCOSKEY, RE ;

GINNINGS, DC .

JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1956, 57 (02) :67-82

[4]

*IUPAC, 20020051100 IUPAC

[5] Thermodynamic properties of 1-butyl-3-methylimidazolium hexafluorophosphate in the condensed state [J].

Kabo, GJ ;

Blokhin, AV ;

Paulechka, YU ;

Kabo, AG ;

Shymanovich, MP ;

Magee, JW .

JOURNAL OF CHEMICAL AND ENGINEERING DATA, 2004, 49 (03) :453-461

[6] Construction of an adiabatic calorimeter in the temperature range between 13 and 505 K, and thermodynamic study of 1-chloroadamantane [J].

Kobashi, K ;

Kyomen, T ;

Oguni, M .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1998, 59 (05) :667-677

[7]

PAULECHKA YU, 2005, 1 INT C ION LIQ SALZ, P115

[8]

PAVESE F, 1994, ADV CRYOG ENG, V40, P119

[9]

Rybkin N. G., 1974, IZMER TEKH, P29

[10] Reference materials for calorimetry and differential thermal analysis [J].

Sabbah, R ;

An, XW ;

Chickos, JS ;

Leitao, MLP ;

Roux, MV ;

Torres, LA .

THERMOCHIMICA ACTA, 1999, 331 (02) :93-204

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