Cyclopentanol
- Formula: C5H10O
- Molecular weight: 86.1323
- IUPAC Standard InChIKey: XCIXKGXIYUWCLL-UHFFFAOYSA-N
- CAS Registry Number: 96-41-3
- 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: Cyclopentyl alcohol; Hydroxycyclopentane; UN 2244
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -58.08 | kcal/mol | N/A | Wiberg, Wasserman, et al., 1985 | Value computed using ΔfHliquid° value of -300.4±1.0 kj/mol from Wiberg, Wasserman, et al., 1985 and ΔvapH° value of 57.4 kj/mol from Sellers and Sunner, 1962.; DRB |
ΔfH°gas | -57.98 ± 0.40 | kcal/mol | Ccb | Sellers and Sunner, 1962 | Reanalyzed by Cox and Pilcher, 1970, Original value = -57.63 kcal/mol; ALS |
ΔfH°gas | -58.05 | kcal/mol | N/A | Parks, Mosley, et al., 1950 | Value computed using ΔfHliquid° value of -300.3±0.2 kj/mol from Parks, Mosley, et al., 1950 and ΔvapH° value of 57.4 kj/mol from Sellers and Sunner, 1962.; DRB |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
25.198 | 298.15 | Kabo G.J., 1995 | Selected thermodynamic functions were calculated so that statistical entropy value at 340 K was put into agreement with the experimental one by adjusting the pseudorotational moment of inertia. Statistically calculated S(T) and Cp(T) values given in [ Thermodynamics Research Center, 1997] are 2-13 and 7-9 J/mol*K, respectively, larger than those of [ Kabo G.J., 1995].; GT |
25.356 | 300. | ||
33.941 | 400. | ||
41.592 | 500. | ||
47.971 | 600. | ||
53.239 | 700. | ||
57.670 | 800. | ||
61.424 | 900. | ||
64.625 | 1000. |
Phase change data
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 413. ± 2. | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 254.15 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 253. | K | N/A | White and Bishop, 1940 | Crystal phase 1 phase; Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 255.6 | K | N/A | Kabo, Diky, et al., 1995 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.3 K; TRC |
Ttriple | 256.0 | K | N/A | Wuerflinger and Kreutzenbeck, 1978 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC |
Ttriple | 257.4 | K | N/A | Parks, Kennedy, et al., 1956 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; see 1978 wuekre 0 for phase identification; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 620. ± 1. | K | N/A | Gude and Teja, 1995 | |
Tc | 619.5 | K | N/A | Ambrose and Ghiassee, 1987 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 48. ± 1. | atm | N/A | Gude and Teja, 1995 | |
Pc | 48.36 | atm | N/A | Ambrose and Ghiassee, 1987 | Uncertainty assigned by TRC = 0.987 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 13.7 ± 0.3 | kcal/mol | AVG | N/A | Average of 8 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.6 | 361. | A,EB | Ambrose and Ghiassee, 1987, 2 | Based on data from 346. to 437. K.; AC |
13.6 | 294. | N/A | Cabani, Conti, et al., 1975 | Based on data from 279. to 314. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.368 | 257.4 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.369 | 202.8 | Domalski and Hearing, 1996 | CAL |
1.43 | 257.4 |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.8860 | 202.8 | crystaline, II | crystaline, I | Parks, Kennedy, et al., 1956, 2 | DH |
0.3671 | 257.4 | crystaline, I | liquid | Parks, Kennedy, et al., 1956, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
4.369 | 202.8 | crystaline, II | crystaline, I | Parks, Kennedy, et al., 1956, 2 | DH |
1.43 | 257.4 | crystaline, I | liquid | Parks, Kennedy, et al., 1956, 2 | DH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, 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
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-1501 |
NIST MS number | 233847 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wiberg, Wasserman, et al., 1985
Wiberg, K.B.; Wasserman, D.J.; Martin, E.J.; Murcko, M.A.,
Enthalpies of hydration of alkenes. 3. Cycloalkenes,
J. Am. Chem. Soc., 1985, 107, 6019-6022. [all data]
Sellers and Sunner, 1962
Sellers, P.; Sunner, S.,
Heats of combustion of cyclic ketones and alcohols,
Acta Chem. Scand., 1962, 16, 46-52. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Parks, Mosley, et al., 1950
Parks, G.S.; Mosley, J.R.; Peterson, P.V., Jr.,
Heats of combustion and formation of some organic compounds containing oxygen,
J. Chem. Phys., 1950, 18, 152. [all data]
Kabo G.J., 1995
Kabo G.J.,
Thermodynamic properties, conformation, and phase transitions of cyclopentanol,
J. Chem. Thermodyn., 1995, 27, 953-967. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
White and Bishop, 1940
White, A.H.; Bishop, W.S.,
Dielectric Evidence of Molecular Rotation in the Crystals of Certain Non-aromatic Compounds,
J. Am. Chem. Soc., 1940, 62, 8-16. [all data]
Kabo, Diky, et al., 1995
Kabo, G.Ya.; Diky, V.V.; Kozyro, A.A.; Krasulin, A.P.; Sevruk, V.M.,
Thermodynamic properties, conformational composition, and phase transitions of cyclopentanol,
J. Chem. Thermodyn., 1995, 27, 953-67. [all data]
Wuerflinger and Kreutzenbeck, 1978
Wuerflinger, A.; Kreutzenbeck, J.,
J. Phys. Chem. Solids, 1978, 39, 193. [all data]
Parks, Kennedy, et al., 1956
Parks, G.S.; Kennedy, W.D.; Gates, R.R.; Mosley, J.R.; Moore, G.E.; Renquist, M.L.,
Thermal Data on Organic Compounds XXVI. Some Heat Capacity, Entropy and Free Energy Data for Seven Compounds Containing Oxygen,
J. Am. Chem. Soc., 1956, 78, 56-9. [all data]
Gude and Teja, 1995
Gude, M.; Teja, A.S.,
Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols,
J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]
Ambrose and Ghiassee, 1987
Ambrose, D.; Ghiassee, N.B.,
Vapor Pressures and Critical Temperatures and Critical Pressures of C5 and C6 Cyclic Alcohols and Ketones,
J. Chem. Thermodyn., 1987, 19, 903. [all data]
Ambrose and Ghiassee, 1987, 2
Ambrose, D.; Ghiassee, N.B.,
Vapour pressures and critical temperatures and critical pressures of C5 and C6 cyclic alcohols and ketones,
The Journal of Chemical Thermodynamics, 1987, 19, 9, 903-909, https://doi.org/10.1016/0021-9614(87)90036-X
. [all data]
Cabani, Conti, et al., 1975
Cabani, Sergio; Conti, G.; Mollica, V.; Lepori, L.,
Thermodynamic study of dilute aqueous solutions of organic compounds. Part 4.---Cyclic and straight chain secondary alcohols,
J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 1943, https://doi.org/10.1039/f19757101943
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Parks, Kennedy, et al., 1956, 2
Parks, G.S.; Kennedy, W.D.; Gates, R.R.; Mosley, J.R.; Moore, G.E.; Renquist, M.L.,
Thermal data on organic compounds. XXVI. Some heat capacity, entropy and free energy data for seven compounds containing oxygen.,
Not In System, 1956, 78, 56-59. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.