Xanthone
- Formula: C13H8O2
- Molecular weight: 196.2014
- IUPAC Standard InChIKey: JNELGWHKGNBSMD-UHFFFAOYSA-N
- CAS Registry Number: 90-47-1
- 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: 9H-Xanthen-9-one; Xanthen-9-one; Benzophenone oxide; Dibenzo-γ-pyrone; Diphenylene ketone oxide; E 6; Genicide; Xanthene, 9-oxo-; 9-Oxoxanthene; 9H-Xanthene, 9-oxo-; 9-Xanthenone; Xanthenone; 9-Xanthone; NSC 14978; dibenzopyranone
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- 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, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -98.2 ± 3.6 | kJ/mol | Ccb | Sabbah and El Watik, 1988 | Hfusion=26.12±0.24 kJ/mol; ALS |
ΔfH°gas | -92.9 | kJ/mol | N/A | Kim, Winans, et al., 1978 | Value computed using ΔfHsolid° value of -191.5±2.7 kj/mol from Kim, Winans, et al., 1978 and ΔsubH° value of 98.6 kj/mol from Kim, Winans, et al., 1978.; DRB |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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 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°solid | -196.8 ± 3.6 | kJ/mol | Ccb | Sabbah and El Watik, 1988 | Hfusion=26.12±0.24 kJ/mol; ALS |
ΔfH°solid | -191.5 ± 2.7 | kJ/mol | Ccb | Kim, Winans, et al., 1978 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -6062.2 ± 3.6 | kJ/mol | Ccb | Sabbah and El Watik, 1988 | Hfusion=26.12±0.24 kJ/mol; Corresponding ΔfHºsolid = -196.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -6067. ± 2. | kJ/mol | Ccb | Kim, Winans, et al., 1978 | Corresponding ΔfHºsolid = -191.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
226. | 298.15 | Sabbah and El Watik, 1988 | DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 102.7 ± 2.3 | kJ/mol | C | Freitas, Gomes, et al., 2009 | AC |
ΔsubH° | 98.57 ± 0.36 | kJ/mol | C | Sabbah and El Watik, 1988 | Hfusion=26.12±0.24 kJ/mol; ALS |
ΔsubH° | 98.6 | kJ/mol | N/A | Sabbah and El Watik, 1988 | DRB |
ΔsubH° | 98.6 ± 0.4 | kJ/mol | C | Sabbah and Watik, 1988 | AC |
ΔsubH° | 112. ± 6.3 | kJ/mol | E | Kim, Winans, et al., 1978 | ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
622.7 | 0.973 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
98.570 | 298.15 | Sabbah and El Watik, 1988 | DH |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
26.120 | 449.63 | Sabbah and El Watik, 1988 | DH |
26.12 | 449.7 | Domalski and Hearing, 1996 | AC |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
8.42 ± 0.03 | PI | Potapov and Sorokin, 1971 |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible 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
Gas Phase Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
View spectrum image in SVG format.
Download spectrum in JCAMP-DX format.
Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, UV/Visible 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
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-8148 |
NIST MS number | 228197 |
UV/Visible spectrum
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, 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 by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
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).
View spectrum image in SVG format.
Download spectrum in JCAMP-DX format.
Source | Davidson and French, 1960 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 1867 |
Instrument | Unicam SP 500 |
Melting point | 174 |
Boiling point | 351; 142(3) |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sabbah and El Watik, 1988
Sabbah, R.; El Watik, L.,
Thermodynamic study of two simple molecules encountered as products of the pyrolysis of coal: chromone and xanthone,
Bull. Soc. Chim. France, 1988, 626-630. [all data]
Kim, Winans, et al., 1978
Kim, K.Y.; Winans, R.E.; Hubbard, W.N.; Johnson, C.E.,
Thermochemistry of coal components. 1. Xanthone,
J. Phys. Chem., 1978, 82, 402-405. [all data]
Freitas, Gomes, et al., 2009
Freitas, Vera L.S.; Gomes, José R.B.; Ribeiro da Silva, Maria D.M.C.,
Energetic studies of two oxygen heterocyclic compounds Xanthone and tetrahydro-«947»-pyrone,
J Therm Anal Calorim, 2009, 97, 3, 827-833, https://doi.org/10.1007/s10973-009-0233-y
. [all data]
Sabbah and Watik, 1988
Sabbah, R.; Watik, L.E.,
Thermodynamic study of two simple molecules encountered as products of the pyrolysis of coal: chromone and xanthone,
Bull. Soc. Chim. Fr., 1988, 4, 626. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]
Potapov and Sorokin, 1971
Potapov, V.K.; Sorokin, V.V.,
Photoionization and ion-molecule reactions in quinones and alcohols,
High Energy Chem., 1971, 5, 435, In original 487. [all data]
Davidson and French, 1960
Davidson, J.M.; French, C.M.,
The synthesis and structure of aromatic boron compounds,
J. Chem. Soc., 1960, 191-195. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid Tboil Boiling point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - 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.