Benzene, isocyanato-

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.


Phase change data

Go To: Top, Gas phase ion energetics data, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tc675.KN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 3. K; fitting parameter in Wagner equation for vapor pressure; TRC
Quantity Value Units Method Reference Comment
Pc44.81atmN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 2.96 atm; from extrapolation of obs. vapor pressure to Tc; TRC
Quantity Value Units Method Reference Comment
ρc2.928mol/lN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 0.17 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap11.12 ± 0.07kcal/molVSteele, Chirico, et al., 1996, 2ALS
Δvap11.1 ± 0.07kcal/molEBSteele, Chirico, et al., 1996, 2Based on data from 329. to 445. K.; AC
Δvap10.8kcal/molAStephenson and Malanowski, 1987Based on data from 283. to 439. K. See also Stull, 1947.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
283.8 to 438.84.517181800.757-40.303Stull, 1947Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics data

Go To: Top, Phase change data, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C7H5NO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.77 ± 0.02eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
8.8PEKobayashi and Nagakura, 1975LLK
9.2EICompernolle and DeSchryver, 1975LLK
8.77 ± 0.02PIWatanabe, Nakayama, et al., 1962RDSH
9.00PEKobayashi and Nagakura, 1975Vertical value; LLK

Gas Chromatography

Go To: Top, Phase change data, Gas phase ion energetics 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

Lee's RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-5142.8Wang, Hou, et al., 200730. m/0.30 mm/0.25 μm, Helium, 50. C @ 5. min, 5. K/min, 200. C @ 15. min

References

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K.; Tasker, I.R., Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for Dioctylamine, trioctylamine, Phenyl Isocyanate, and 1,4,5,6-Tetrahydropyrimidine, J. Chem. Eng. Data, 1996, 41, 1269-84. [all data]

Steele, Chirico, et al., 1996, 2
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K.; Tasker, I.R., Thermodynamic properties and ideal-gas enthalpies of formation for cyclohexene, phthalan (2,5-dihydrobenzo-3,4-furan), isoxazole, octylamine, dioctylamine, trioctylamine, phenyl isocyanate, and 1,4,5,6-tetrahydropyrimidine, J. Chem. Eng. Data, 1996, 41, 1269-1284. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Kobayashi and Nagakura, 1975
Kobayashi, T.; Nagakura, S., Photoelectron spectra of phenyl isocyanates and phenyl isothio- cyanate, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 488. [all data]

Compernolle and DeSchryver, 1975
Compernolle, F.; DeSchryver, F., Nonconcerted cycloreversion by electron impact of substituted 2,4-azetidinediones. Relations between the mass spectral and photochemical reactions, J. Am. Chem. Soc., 1975, 97, 3909. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Wang, Hou, et al., 2007
Wang, G.; Hou, Z.; Sun, Y.; Liu, Y.; Xie, B.; Liu, S., Investigation of pyrolysis behavior of fenoxycarb using PY-GC-MS assisted with chemometric methods, Chem. Anal., 2007, 52, 141-156. [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References