Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

rubidium

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, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, References, Notes

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
Deltafgas80.9 ± 0.8kJ/molReviewCox, Wagman, et al., 1984CODATA Review value
Deltafgas80.90kJ/molReviewChase, 1998Data last reviewed in December, 1983
Quantity Value Units Method Reference Comment
gas,1 bar170.094 ± 0.003J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
gas,1 bar170.09J/mol*KReviewChase, 1998Data last reviewed in December, 1983

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.

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

View table.

Temperature (K) 970.385 - 1800.1800. - 6000.
A 20.6396374.13588
B 0.461826-39.23458
C -0.4948179.907546
D 0.173669-0.679452
E 0.004386-35.14100
F 74.744654.967789
G 194.9782214.2995
H 80.9001580.90015
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1983 Data last reviewed in December, 1983

Condensed phase thermochemistry data

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

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
Deltafliquid2.18kJ/molReviewChase, 1998Data last reviewed in December, 1983
Quantity Value Units Method Reference Comment
liquid,1 bar83.76J/mol*KReviewChase, 1998Data last reviewed in December, 1983
Quantity Value Units Method Reference Comment
solid,1 bar76.78 ± 0.30J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
Quantity Value Units Method Reference Comment
solid76.78J/mol*KReviewChase, 1998Data last reviewed in December, 1983

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.

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

View table.

Temperature (K) 312.65 - 970.385
A 35.49727
B -12.87341
C 8.550047
D -0.002827
E -0.000119
F -7.902990
G 130.1797
H 2.184003
ReferenceChase, 1998
Comment Data last reviewed in December, 1983

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.

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

View table.

Temperature (K) 298. - 312.65
A 9.446260
B 65.31182
C 45.51230
D -26.78961
E -0.107730
F -6.429511
G 66.34569
H 0.000000
ReferenceChase, 1998
Comment Data last reviewed in December, 1983

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, 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: John E. Bartmess

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

(Bromine anion bullet 4294967295rubidium) + rubidium = Bromine anion

By formula: (Br- bullet 4294967295Rb) + Rb = Br-

Quantity Value Units Method Reference Comment
Deltar111. ± 4.2kJ/molTherMiller, Leopold, et al., 1986gas phase; Extrapolated by polarizability and radius from experimental data.

(CAS Reg. No. 106070-95-5 bullet 4294967295rubidium) + rubidium = CAS Reg. No. 106070-95-5

By formula: (CAS Reg. No. 106070-95-5 bullet 4294967295Rb) + Rb = CAS Reg. No. 106070-95-5

Quantity Value Units Method Reference Comment
Deltar134.8 ± 1.0kJ/molN/AMiller, Leopold, et al., 1986gas phase

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, NIST Free Links, 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:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to Rb+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)4.17713 ± 0.000002eVN/AN/AL

Electron affinity determinations

EA (eV) Method Reference Comment
0.485940 ± 0.000044LPDFrey, Breyer, et al., 1978Given: 3919.18(16) cm-1; B
0.4860 ± 0.0030LPESPatterson, Hotop, et al., 1974B

Ionization energy determinations

IE (eV) Method Reference Comment
4.17713EVALLide, 1992LL
4.18PEWilliams and Potts, 1976LLK
4.17713 ± 0.000002SMoore, 1970RDSH

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, 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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

(Bromine anion bullet 4294967295rubidium) + rubidium = Bromine anion

By formula: (Br- bullet 4294967295Rb) + Rb = Br-

Quantity Value Units Method Reference Comment
Deltar111. ± 4.2kJ/molTherMiller, Leopold, et al., 1986gas phase; Extrapolated by polarizability and radius from experimental data.

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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.

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

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

Miller, Leopold, et al., 1986
Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C., Electron Affinities of the Alkali Halides and the Structure of their Negative Ions, J. Chem. Phys., 1986, 85, 5, 2368, https://doi.org/10.1063/1.451091 . [all data]

Frey, Breyer, et al., 1978
Frey, P.; Breyer, F.; Hotop, H., High Resolutions Photodetachment from the Rubidium Negative Ion around the Rb(5p1/2) Threshold, J. Phys. B: Atom. Mol. Phys., 1978, 11, 19, L589, https://doi.org/10.1088/0022-3700/11/19/005 . [all data]

Patterson, Hotop, et al., 1974
Patterson, T.A.; Hotop, H.; Kasdan, A.; Norcross, D.W.; Lineberger, W.C., Resonances in Alkali Negative-Ion Photodetachment and Electron Affinities of the Corresponding Neutrals, Phys. Rev. Lett., 1974, 32, 5, 189, https://doi.org/10.1103/PhysRevLett.32.189 . [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Williams and Potts, 1976
Williams, T.A.; Potts, A.W., Complexities in the HeI photoelectron spectra of alkali metal vapours, J. Electron Spectrosc. Relat. Phenom., 1976, 8, 331. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]


Notes

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