Cyclooctane
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChIKey: WJTCGQSWYFHTAC-UHFFFAOYSA-N
- CAS Registry Number: 292-64-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Octamethylene
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -126.1 ± 1.6 | kJ/mol | N/A | Spitzer and Huffman, 1947 | Value computed using ΔfHliquid° value of -169.4±1.6 kj/mol from Spitzer and Huffman, 1947 and ΔvapH° value of 43.35±0.21 kj/mol from missing citation.; DRB |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 366.8 ± 1.3 | J/mol*K | N/A | Finke H.L., 1956 | GT |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
38.62 | 50. | Dorofeeva O.V., 1986 | S(T) values calculated by [ Stull D.R., 1969] are in good agreement with those selected here; however, the discrepancy in Cp(298.15 K) amounts to 6.2 J/mol*K. S(T) values calculated by molecular mechanics method [ Chang S., 1970] are about 13 J/mol*K less than recommended ones; discrepancies in Cp(T) values amount to 1-2 J/mol*K.; GT |
64.77 | 100. | ||
83.16 | 150. | ||
99.99 | 200. | ||
133.07 | 273.15 | ||
146.2 ± 5.0 | 298.15 | ||
147.19 | 300. | ||
202.16 | 400. | ||
253.07 | 500. | ||
296.64 | 600. | ||
333.38 | 700. | ||
364.46 | 800. | ||
390.90 | 900. | ||
413.47 | 1000. | ||
432.79 | 1100. | ||
449.36 | 1200. | ||
463.61 | 1300. | ||
475.90 | 1400. | ||
486.53 | 1500. |
Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -169.4 ± 1.6 | kJ/mol | Ccb | Spitzer and Huffman, 1947 | Reanalyzed by Cox and Pilcher, 1970, Original value = -169.9 ± 2.5 kJ/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -5265.7 ± 0.9 | kJ/mol | Ccb | Kaarsemaker and Coops, 1952 | Corresponding ΔfHºliquid = -169.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -5265.3 ± 1.6 | kJ/mol | Ccb | Spitzer and Huffman, 1947 | Reanalyzed by Cox and Pilcher, 1970, Original value = -5264.9 ± 1.6 kJ/mol; Corresponding ΔfHºliquid = -169.4 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 262.00 | J/mol*K | N/A | Finke, Scott, et al., 1956 | DH |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5252.6 | kJ/mol | Ccb | Ruzieka and Schlapfer, 1933 | Heat of combustion corrected for pressure; Corresponding ΔfHºsolid = -182. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
215.78 | 298.15 | Shiohama, Ogawa, et al., 1988 | DH |
215.53 | 298.15 | Tanaka, 1985 | DH |
215.461 | 298.15 | Fortier, D'Arcy, et al., 1979 | DH |
214.53 | 298.15 | Wilhelm, Faradjzadeh, et al., 1979 | DH |
214.24 | 298.15 | Jolicoeur, Boileau, et al., 1975 | DH |
215.48 | 298.15 | Finke, Scott, et al., 1956 | T = 12 to 330 K.; DH |
Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 422. ± 6. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 285. ± 5. | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 287.94 | K | N/A | Finke, Scott, et al., 1956, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.07 K; TRC |
Ttriple | 287.98 | K | N/A | Finke, Scott, et al., 1956, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 287.940 | K | N/A | Waddington, 1955 | Uncertainty assigned by TRC = 0.05 K; date of correspondence not given on card; TRC |
Ttriple | 287.970 | K | N/A | Waddington, 1955 | Uncertainty assigned by TRC = 0.02 K; date of correspondence not given on card; TRC |
Ttriple | 288.0 | K | N/A | Kaarsemaker, 1951 | Crystal phase 1 phase; Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 647.2 ± 0.5 | K | N/A | Daubert, 1996 | |
Tc | 674.2 | K | N/A | Young, 1972 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tc | 647.2 | K | N/A | Hicks and Young, 1971 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 35.6 ± 0.4 | bar | N/A | Daubert, 1996 | |
Pc | 35.50 | bar | N/A | Young, 1972 | Uncertainty assigned by TRC = 0.40 bar; TRC |
Pc | 35.60 | bar | N/A | Hicks and Young, 1971 | Uncertainty assigned by TRC = 0.4053 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.410 | l/mol | N/A | Daubert, 1996 | |
Vc | 0.411 | l/mol | N/A | Young, 1972 | Uncertainty assigned by TRC = 0.007 l/mol; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.44 ± 0.04 | mol/l | N/A | Daubert, 1996 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 43.35 ± 0.21 | kJ/mol | V | Finke, Scott, et al., 1956, 3 | ALS |
ΔvapH° | 43.3 ± 0.2 | kJ/mol | N/A | Finke, Scott, et al., 1956 | AC |
ΔvapH° | 44.7 | kJ/mol | V | Kaarsemaker and Coops, 1952 | ALS |
ΔvapH° | 43.5 | kJ/mol | E | Spitzer and Huffman, 1947 | ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
424.2 | 0.987 | Aldrich Chemical Company Inc., 1990 | BS |
421.7 | 0.999 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
40.3 | 373. | N/A | Wu, Locke, et al., 1991 | Based on data from 358. to 413. K.; AC |
43.3 | 304. | A | Stephenson and Malanowski, 1987 | Based on data from 289. to 369. K.; AC |
39.4 | 384. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 369. to 467. K. See also Finke, Scott, et al., 1956.; AC |
39.3 | 388. | EB | Meyer and Hotz, 1976 | Based on data from 373. to 434. K.; AC |
43.1 | 306. | N/A | Anand, Grolier, et al., 1975 | Based on data from 291. to 323. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
369.86 to 467.6 | 3.98805 | 1438.687 | -63.024 | Finke, Scott, et al., 1956 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
58.7 | 166. | B | Bondi, 1963 | AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.41 | 288. | Acree, 1991 | AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
6.3057 | 166.5 | crystaline, III | crystaline, II | Finke, Scott, et al., 1956 | DH |
0.4782 | 183.8 | crystaline, II | crystaline, I | Finke, Scott, et al., 1956 | DH |
2.4096 | 287.98 | crystaline, I | liquid | Finke, Scott, et al., 1956 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
37.87 | 166.5 | crystaline, III | crystaline, II | Finke, Scott, et al., 1956 | DH |
2.60 | 183.8 | crystaline, II | crystaline, I | Finke, Scott, et al., 1956 | DH |
8.37 | 287.98 | crystaline, I | liquid | Finke, Scott, et al., 1956 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: H2 + C8H14 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -102. | kJ/mol | Chyd | Doering, Roth, et al., 1989 | liquid phase |
ΔrH° | -103. ± 0.8 | kJ/mol | Chyd | Roth and Lennartz, 1980 | liquid phase; solvent: Cyclohexane |
ΔrH° | -96.40 ± 0.71 | kJ/mol | Chyd | Rogers, Von Voithenberg, et al., 1978 | liquid phase; solvent: Hexane |
ΔrH° | -96.1 ± 0.4 | kJ/mol | Chyd | Turner and Meador, 1957 | liquid phase; solvent: Acetic acid |
ΔrH° | -97.40 ± 0.63 | kJ/mol | Chyd | Conn, Kistiakowsky, et al., 1939 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -98.4 ± 0.2 kJ/mol; At 355 K |
By formula: H2 + C8H14 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -144. ± 0.4 | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase; see Doering, Roth, et al., 1989 |
ΔrH° | -144.0 ± 1.8 | kJ/mol | Chyd | Rogers, Von Voithenberg, et al., 1978 | liquid phase; solvent: Hexane |
ΔrH° | -134.9 ± 0.88 | kJ/mol | Chyd | Turner and Meador, 1957 | liquid phase; solvent: Acetic acid |
By formula: 3H2 + C8H10 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -319.6 ± 1.8 | kJ/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Acetic acid |
ΔrH° | -302.8 ± 1.1 | kJ/mol | Chyd | Turner, Meador, et al., 1957 | liquid phase; solvent: Acetic acid |
By formula: 2H2 + C8H12 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -291. ± 0.8 | kJ/mol | Chyd | Roth, Hopf, et al., 1994 | liquid phase; solvent: Isooctane |
ΔrH° | -289. | kJ/mol | Chyd | Turner, Jarrett, et al., 1973 | liquid phase; solvent: Acetic acid |
By formula: C8H12 + 2H2 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -230. ± 0.4 | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
ΔrH° | -224.6 ± 0.08 | kJ/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid |
By formula: 2H2 + C8H12 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -208. | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
ΔrH° | -204.8 ± 0.3 | kJ/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid |
By formula: C8H12 + 2H2 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -217.9 ± 1.2 | kJ/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid |
By formula: 3H2 + C8H10 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -334.3 ± 0.71 | kJ/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid |
By formula: 4H2 + C8H8 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -409.9 ± 0.2 | kJ/mol | Chyd | Turner, Meador, et al., 1957 | liquid phase; solvent: Acetic acid |
By formula: 4H2 + C8H8 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 640. ± 1. | kJ/mol | Chyd | Roth, Hopf, et al., 1994 | liquid phase; solvent: Isooctane |
By formula: H2 + C8H14 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -94. ± 1. | kJ/mol | Chyd | Rogers and McLafferty, 1971 | liquid phase; solvent: Acetic acid |
By formula: 2H2 + C8H12 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -320. ± 0.4 | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
By formula: 2H2 + C8H12 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -271. ± 0.4 | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
By formula: 2H2 + C8H12 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -282. ± 0.4 | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.75 ± 0.04 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.82 ± 0.05 | EI | Holmes and Lossing, 1991 | LL |
9.75 | EQ | Sieck and Mautner(Meot-Ner), 1982 | LBLHLM |
9.74 ± 0.05 | PI | Golubitskii, Kulikov, et al., 1979 | LLK |
10.08 ± 0.05 | EI | Puttemans, 1974 | LLK |
9.80 | PE | Puttemans, 1974 | LLK |
9.7 | PE | Batich, Bischof, et al., 1973 | LLK |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
- LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (10% CCl4 FOR 4000-1330, 10% CS2 FOR 1330-450 CM-1) VS SOLVENT; CARY 90 (GRATING); 2 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | C78, Branched paraffin | 130. | 965.8 | Dallos, Sisak, et al., 2000 | He; Column length: 3.3 m |
Packed | C78, Branched paraffin | 130. | 963.9 | Reddy, Dutoit, et al., 1992 | Chromosorb G HP; Column length: 3.3 m |
Capillary | HP-1 | 60. | 911. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | HP-1 | 60. | 912. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | HP-1 | 100. | 928. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Capillary | HP-1 | 100. | 929. | Zhang, Li, et al., 1992 | N2; Column length: 25. m; Column diameter: 0.20 mm |
Packed | Apolane | 130. | 965. | Dutoit, 1991 | Column length: 3.7 m |
Capillary | OV-1 | 100. | 927.2 | Engewald, Billing, et al., 1987 | Column length: 50. m; Column diameter: 0.3 mm |
Capillary | SE-30 | 130. | 941. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | SE-30 | 80. | 920. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | Squalane | 86. | 928.5 | Nabivach and Kirilenko, 1979 | N2; Column length: 50. m |
Capillary | Squalane | 42.5 | 908. | Engewald, Epsch, et al., 1974 | N2; Column length: 100. m; Column diameter: 0.23 mm |
Capillary | Squalane | 80. | 925. | Engewald, Epsch, et al., 1974 | N2; Column length: 100. m; Column diameter: 0.23 mm |
Capillary | Squalane | 100. | 933. | Besson and Gäumann, 1973 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Apiezon L | 100. | 957. | Besson and Gäumann, 1973 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 120. | 927. | Agrawal, Tesarík, et al., 1972 | N2, Celite 545; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | Squalane | 86. | 925. | Agrawal, Tesarík, et al., 1972 | N2, Celite 545; Column length: 50. m; Column diameter: 0.3 mm |
Capillary | Vacuum Grease Oil (VM-4) | 35. | 916. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 45. | 920. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 50. | 923. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 58. | 926. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 68. | 930. | Sidorov, Petrova, et al., 1972 | |
Packed | Squalane | 49. | 912. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 920. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 928. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 934. | Schomburg, 1967 | Ar; Column length: 100. m |
Capillary | Squalane | 120. | 946. | Schomburg, 1966 | |
Capillary | Squalane | 70. | 920. | Schomburg, 1966 | |
Capillary | Squalane | 80. | 925. | Schomburg, 1966 | |
Packed | Squalane | 150. | 946. | Schomburg, 1964 |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Apiezon L | 948. | Louis, 1971 | N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 911. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Packed | SE-30 | 932. | Buchman, Cao, et al., 1984 | He, Chromosorb AW, 40. C @ 10. min, 10. K/min, 210. C @ 30. min; Column length: 3.05 m |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 910. | Peng, 2000 | 15. m/0.53 mm/1. μm, He; Program: 40C(3min) => 8C/min => 200(1min) => 5C/min => 300C(25min) |
Packed | SE-30 | 932. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Packed | SE-30 | 932. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1036. | Peng, 2000 | 15. m/0.53 mm/1. μm, He, 40. C @ 3. min, 5. K/min, 220. C @ 30. min |
Capillary | HP-Wax | 1023. | Peng, 2000 | 15. m/0.53 mm/1. μm, He, 40. C @ 3. min, 5. K/min, 220. C @ 30. min |
Packed | Carbowax 20M | 1043. | Buchman, Cao, et al., 1984 | He, Supelcoport, 40. C @ 10. min, 10. K/min, 210. C @ 30. min; Column length: 3.05 m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 918. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Squalane | 920. | Chen, 2008 | Program: not specified |
Packed | SE-30 | 947. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold) |
Packed | Squalane | 927. | Robinson and Odell, 1971 | N2, Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min => 35 => 4C/min => 95C(hold) |
Packed | SE-30 | 947. | Robinson and Odell, 1971, 2 | Chrom W; Column length: 6.1 m; Program: 50C(10min) => 20C/min(2min) => 90C(6min) => 10C/min(6min) => (hold at 150C) |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1014. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spitzer and Huffman, 1947
Spitzer, R.; Huffman, H.M.,
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Notes
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- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid IE (evaluated) Recommended ionization energy Pc Critical pressure S°gas Entropy of gas at standard conditions S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature Vc Critical volume ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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