Benzene-D6
- Formula: C6D6
- Molecular weight: 84.1488
- IUPAC Standard InChIKey: UHOVQNZJYSORNB-MZWXYZOWSA-N
- CAS Registry Number: 1076-43-3
- 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. - Isotopologues:
- Other names: Perdeuterobenzene; D6-Benzene; (2H6)benzene
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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 by: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
36.439 | 298. | Rabinovich and Nikolaev, 1962 | T = 10 to 35°C. |
35.71 | 298.5 | Ziegler and Andrews, 1942 | T = 100 to 320 K. Value is unsmoothed experimental datum. |
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
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 345.430 | K | N/A | Ingold, Raisin, et al., 1935 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 280.0 | K | N/A | Ingold, Raisin, et al., 1935 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 279.9 | K | N/A | Ziegler and Andrews, 1942, 2 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 8.17 | kcal/mol | N/A | Davis and Schiessler, 1953 | Based on data from 283. to 352. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
283. to 355. | 4.00808 | 1196.51 | -53.932 | Davis and Schiessler, 1953 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.340 | 279.85 | Ziegler and Andrews, 1942 | DH |
2.34 | 279.9 | Ziegler and Andrews, 1942 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.363 | 279.85 | Ziegler and Andrews, 1942 | DH |
Gas phase ion energetics 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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C6D6+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
9.25 ± 0.01 | PI | Dibeler and Reese, 1964 |
9.251 | S | El-Sayed, Kaaba, et al., 1961 |
9.251 ± 0.002 | S | Wilkinson, 1956 |
9.246 ± 0.005 | S | Price and Wood, 1935 |
IR Spectrum
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Additional Data
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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 | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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 | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 118598 |
Vibrational and/or electronic energy levels
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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 by: Takehiko Shimanouchi
Symmetry: D6h Symmetry Number σ = 12
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a1g | 1 | CD str | 2293 | C | ia | 2292.6 VS p | liq. | |||
a1g | 2 | Ring str | 943 | C | ia | 943.2 VS p | liq. | |||
a2g | 3 | CD bend | 1037 | E | ia | ia | OC(ν3+ν14, ν3+ν16) | |||
a2u | 4 | CD bend | 497 | C | 496.5 S | liq. | ia | |||
b1u | 5 | CD str | 2292 | E | 2292 VW | sln. | ia | |||
b1u | 6 | Ring deform | 969 | C | 970.48 | sln. | ia | |||
b1u | 6 | Ring deform | 969 | C | 969.77 | sln. | ia | |||
b1u | 6 | Ring deform | 969 | C | 966.76 | sln. | ia | |||
b2g | 7 | CD bend | 827 | E | ia | OC(ν7+ν19) | ||||
b2g | 8 | Ring deform | 601 | E | ia | OC(ν8+ν19) | ||||
b2u | 9 | Ring str | 1286 | C | 1287.51 | sln. | ia | |||
b2u | 9 | Ring str | 1286 | C | 1286.41 | sln. | ia | |||
b2u | 9 | Ring str | 1286 | C | 1285.14 | sln. | ia | |||
b2u | 10 | CD bend | 824 | C | 825.2 | sln. | ia | |||
b2u | 10 | CD bend | 824 | C | 822.57 | sln. | ia | |||
e1g | 11 | CD bend | 662 | C | ia | 661.7 M dp | liq. | |||
e1u | 12 | CD str | 2287 | C | 2287 S | gas | ia | |||
e1u | 13 | Ring str + deform | 1335 | B | 1335 M | gas | ia | |||
e1u | 14 | CD bend | 814 | B | 814 S | gas | ia | |||
e2g | 15 | CD str | 2265 | C | ia | 2264.9 S dp | liq. | |||
e2g | 16 | Ring str | 1552 | C | ia | 1551.5 S dp | liq. | |||
e2g | 17 | CD bend | 867 | C | ia | 867.3 S dp | liq. | |||
e2g | 18 | Ring deform | 577 | C | ia | 577.4 M dp | liq. | |||
e2u | 19 | CD bend | 795 | C | 799.91 | sln. | ia | |||
e2u | 19 | CD bend | 795 | C | 797.37 | sln. | ia | |||
e2u | 19 | CD bend | 795 | C | 794.64 | sln. | ia | |||
e2u | 19 | CD bend | 795 | C | 790.9 | sln. | ia | |||
e2u | 19 | CD bend | 795 | C | 790.3 | sln. | ia | |||
e2u | 20 | Ring deform | 352 | E | ia | ia | OC(ν4+ν20,ν14+ν20) | |||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
VW | Very weak |
ia | Inactive |
p | Polarized |
dp | Depolarized |
OC | Frequency estimated from an overtone or a combination tone indicated in the parentheses. |
B | 1~3 cm-1 uncertainty |
C | 3~6 cm-1 uncertainty |
E | 15~30 cm-1 uncertainty |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rabinovich and Nikolaev, 1962
Rabinovich, I.B.; Nikolaev, P.N.,
Isotopic effect in the specific heat of some deutero compounds,
Dokl. Akad. Nauk, 1962, SSSR 142, 1335-1338. [all data]
Ziegler and Andrews, 1942
Ziegler, W.T.; Andrews, D.H.,
The heat capacity of benzene-d6,
J. Am. Chem. Soc., 1942, 64, 2482-2485. [all data]
Ingold, Raisin, et al., 1935
Ingold; Raisin, C.G.; Wilson,
J. Chem. Soc., 1935, 1935, 915. [all data]
Ziegler and Andrews, 1942, 2
Ziegler, W.T.; Andrews, D.H.,
The heat capacity of benzene-d6,
J. Am. Chem. Soc., 1942, 64, 2482. [all data]
Davis and Schiessler, 1953
Davis, Raymond T.; Schiessler, Robert W.,
Vapor Pressures of Perdeuterobenzene and of Perdeuterocyclohex ane,
J. Phys. Chem., 1953, 57, 9, 966-968, https://doi.org/10.1021/j150510a027
. [all data]
Dibeler and Reese, 1964
Dibeler, V.H.; Reese, R.M.,
Mass spectrometric study of photoionization. I. Apparatus and initial observations on acetylene, acetylene-d2, benzene, and benzene-d6,
J. Res. NBS, 1964, 68A, 409. [all data]
El-Sayed, Kaaba, et al., 1961
El-Sayed, M.F.A.; Kaaba, M.; Tanaka, Y.,
Ionization potentials of benzene, hexadeuterobenzene, and pyridine from their observed Rydberg series in the region 600-2000 A,
J. Chem. Phys., 1961, 34, 334. [all data]
Wilkinson, 1956
Wilkinson, P.G.,
Absorption spectra and ionization potentials of benzene and benzene-d6,
J. Chem. Phys., 1956, 24, 917. [all data]
Price and Wood, 1935
Price, W.C.; Wood, R.W.,
The far ultraviolet absorption spectra and ionization potentials of C6H6 and C6D6,
J. Chem. Phys., 1935, 3, 439. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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