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strontium

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry 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.

Quantity Value Units Method Reference Comment
Deltafgas164.00kJ/molReviewChase, 1998Data last reviewed in September, 1983
Quantity Value Units Method Reference Comment
gas,1 bar164.64J/mol*KReviewChase, 1998Data last reviewed in September, 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.

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Temperature (K) 1685.492 - 2700.2700. - 6000.
A 19.35690-39.00262
B 3.739844-1.696500
C -3.1891417.986126
D 0.870795-0.851607
E 0.054007187.6043
F 158.2677354.6358
G 187.3913243.4544
H 164.0002164.0002
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in September, 1983 Data last reviewed in September, 1983

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry 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.

Quantity Value Units Method Reference Comment
Deltafliquid0.91kJ/molReviewChase, 1998Data last reviewed in September, 1983
Quantity Value Units Method Reference Comment
liquid,1 bar50.90J/mol*KReviewChase, 1998Data last reviewed in September, 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.

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View table.

Temperature (K) 1050. - 1685.492
A 39.46303
B -2.250084×10-10
C 1.245422×10-10
D -2.152389×10-11
E -7.007113×10-12
F -10.85530
G 98.65705
H 0.911003
ReferenceChase, 1998
Comment Data last reviewed in September, 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.

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View table.

Temperature (K) 298. - 1050.298. - 1050.
A 23.8822326.36179
B 9.2973514.177331
C 0.9199240.005861
D 0.035243-0.001724
E 0.004934-0.000095
F -7.525384-6.834815
G 81.8093387.83053
H 0.0000001.211001
ReferenceChase, 1998Chase, 1998
Comment «alpha» phase; Data last reviewed in September, 1983 «beta» phase; Data last reviewed in September, 1983

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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 Sr+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)5.69484 ± 0.00002eVN/AN/AL

Electron affinity determinations

EA (eV) Method Reference Comment
0.052038 ± 0.000044N/AAndersen, Petrunin, et al., 1997B
0.0480 ± 0.0060LPDBerkovits, Boaretto, et al., 1995B

Ionization energy determinations

IE (eV) Method Reference Comment
5.69484EVALLide, 1992LL
5.5 ± 0.5EIAsano and Kou, 1988LL
5.5 ± 0.3EIKleinschmidt and Hildenbrand, 1978LLK
5.5PEHildenbrand, 1977LLK
~5.7EIOkudaira, 1970RDSH
5.69484 ± 0.00002SMoore, 1970RDSH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, 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]

Andersen, Petrunin, et al., 1997
Andersen, H.H.; Petrunin, V.V.; Kristensen, P.; Andersen, T., Structural properties of the negative strontium ion: Binding energy and fine-structure splitting, Phys. Rev. A, 1997, 55, 4, 3247-3249, https://doi.org/10.1103/PhysRevA.55.3247 . [all data]

Berkovits, Boaretto, et al., 1995
Berkovits, D.; Boaretto, E.; Ghelberg, S.; Heber, O.; Paul, M., Electron affinity of strontium, Phys. Rev. Lett., 1995, 75, 3, 414, https://doi.org/10.1103/PhysRevLett.75.414 . [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]

Asano and Kou, 1988
Asano, M.; Kou, T., Thermochemical properties of SrBO2(g) and SrB2O4(s), J. Chem. Thermodyn., 1988, 20, 1149. [all data]

Kleinschmidt and Hildenbrand, 1978
Kleinschmidt, P.D.; Hildenbrand, D.L., Dissociation energies of CaI, SrI, and BaI from high temperature mass spectrometry, J. Chem. Phys., 1978, 68, 2819. [all data]

Hildenbrand, 1977
Hildenbrand, D.L., Dissociation energies of CaBr, SrBr, BaBr, and BaCl from mass spectrometric studies of gaseous equilibria, J. Chem. Phys., 1977, 66, 3526. [all data]

Okudaira, 1970
Okudaira, S., Multiple ionization of Ca, Sr and Ba by electron impact, J. Phys. Soc. Jpn., 1970, 29, 409. [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, Gas phase ion energetics data, References