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Cesium hydroxide

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Gas 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.

Quantity Value Units Method Reference Comment
Deltafgas-259.41kJ/molReviewChase, 1998Data last reviewed in June, 1971
Quantity Value Units Method Reference Comment
gas,1 bar254.81J/mol*KReviewChase, 1998Data last reviewed in June, 1971

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 2000. - 6000.
A 49.63521
B 6.922637
C -1.377616
D 0.094260
E -0.147846
F -275.0034
G 312.0406
H -259.4084
ReferenceChase, 1998
Comment Data last reviewed in June, 1971

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.

Quantity Value Units Method Reference Comment
Deltafliquid-405.97kJ/molReviewChase, 1998Data last reviewed in June, 1971
Quantity Value Units Method Reference Comment
liquid,1 bar118.51J/mol*KReviewChase, 1998Data last reviewed in June, 1971
Quantity Value Units Method Reference Comment
Deltafsolid-416.73kJ/molReviewChase, 1998Data last reviewed in June, 1971
Quantity Value Units Method Reference Comment
solid98.74J/mol*KReviewChase, 1998Data last reviewed in June, 1971

Liquid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 588. - 2000.
A 81.58800
B 0.000000
C 0.000000
D 0.000000
E 0.000000
F -430.2951
G 217.2475
H -405.9706
ReferenceChase, 1998
Comment Data last reviewed in June, 1971

Solid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 410.410. - 493.493. - 588.
A -177.0160-7247.91083.67990
B 1323.21042467.600.000411
C -2599.410-87147.90-0.000423
D 1882.89061260.300.000153
E 2.80352056.964200.000007
F -394.1140703.0910-436.0870
G -395.3210-17662.50210.6020
H -416.7260-416.7260-416.7260
ReferenceChase, 1998Chase, 1998Chase, 1998
Comment Data last reviewed in June, 1971 Data last reviewed in June, 1971 Data last reviewed in June, 1971

Reaction 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: José A. Martinho Simões

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

C2HCs (cr) + Water (l) = (Cesium hydroxide bullet 1031Water) (solution) + Acetylene (g)

By formula: C2HCs (cr) + H2O (l) = (HCsO bullet 1031H2O) (solution) + C2H2 (g)

Quantity Value Units Method Reference Comment
Deltar-54.0 ± 0.8kJ/molRSCAder and Hubbard, 1973Please also see Pedley and Rylance, 1977.

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)1117.9kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity1092.2kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
7.40 ± 0.15EIGorokhov, Gusarov, et al., 1970RDSH
7.21 ± 0.14EIEmel'yanov, Gusarov, et al., 1967RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
Cs+7.60 ± 0.15OHEIGorokhov, Gusarov, et al., 1970RDSH
Cs+7.46 ± 0.14OHEIEmel'yanov, Gusarov, et al., 1967RDSH
Cs+~10.OHEISchoonmaker and Porter, 1959RDSH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, Notes

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

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Ader and Hubbard, 1973
Ader, M.; Hubbard, W.N., J. Chem. Thermodyn., 1973, 5, 607. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Gorokhov, Gusarov, et al., 1970
Gorokhov, L.N.; Gusarov, A.V.; Panchenkov, I.G., Determination of dissociation energies of potassium and caesium hydroxides by electron bombardment, Zh. Fiz. Khim., 1970, 44, 269, In original 150. [all data]

Emel'yanov, Gusarov, et al., 1967
Emel'yanov, A.M.; Gusarov, A.V.; Gorokhov, L.N.; Sadovnikova, N.A., Electron-impact studies of the vapors of cesium oxide and hydroxide, Teor. i Eksperim, Khim., 1967, 3, 226, In original 126. [all data]

Schoonmaker and Porter, 1959
Schoonmaker, R.C.; Porter, R.F., Mass spectrometric study of alkali hydroxide vapors, J. Chem. Phys., 1959, 31, 830. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, References