HPt

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: John E. Bartmess

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Individual Reactions

Pt- + Hydrogen cation = HPt

By formula: Pt- + H+ = HPt

Quantity Value Units Method Reference Comment
ΔrH°344.89kcal/molD-EABilodeau, Scheer, et al., 1999gas phase

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: John E. Bartmess

De-protonation reactions

Pt- + Hydrogen cation = HPt

By formula: Pt- + H+ = HPt

Quantity Value Units Method Reference Comment
ΔrH°344.89kcal/molD-EABilodeau, Scheer, et al., 1999gas phase

Constants of diatomic molecules

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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: Klaus P. Huber and Gerhard H. Herzberg

Data collected through May, 1975

Symbols used in the table of constants
SymbolMeaning
State electronic state and / or symmetry symbol
Te minimum electronic energy (cm-1)
ωe vibrational constant – first term (cm-1)
ωexe vibrational constant – second term (cm-1)
ωeye vibrational constant – third term (cm-1)
Be rotational constant in equilibrium position (cm-1)
αe rotational constant – first term (cm-1)
γe rotation-vibration interaction constant (cm-1)
De centrifugal distortion constant (cm-1)
βe rotational constant – first term, centrifugal force (cm-1)
re internuclear distance (Å)
Trans. observed transition(s) corresponding to electronic state
ν00 position of 0-0 band (units noted in table)
Diatomic constants for (195)PtH
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
IV (2Σ) 2  [2051] H   8.03 0.40  [4.4E-4] 1  1.447 IV ← III R 36504 H
↳Scullman, 1971
III (2Σ) 2     [9.51]   [3.7E-4]  [1.330]  
II (2Σ) 2     [5.22]   [4.1E-4]  [1.795] II ← I R 30311 H
↳Scullman, 1971
I (2Σ) 2     [7.13]   [2.8E-4]  [1.536]  
B (2Δ)5/2 (26962) [1548.18] 3 Z (80) 4  6.003 5 6 0.301  [3.15E-4] 7  1.6736 B ↔ X1 R 26613.91 3 Z
↳Loginov, 1964; missing citation; Loginov, 1966; Kaving and Scullman, 1971
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
B' (2Φ)7/2 (24218) [1428.7] 3 Z (74)  5.758 0.326 8  [3.6E-4] 9  1.7088 B' → X1 R 23806.48 3 Z
↳missing citation
A (2Δ)5/2 (22311) 1690.6 3 Z 55.3 10 -3.88 [5.534] 11 12  [3.55E-4] 13  [1.7430] A ↔ X1 R 21960.59 3 Z
↳Loginov, 1964; Neuhaus and Scullman, 1964; missing citation; Kaving and Scullman, 1971
A' (2Δ)3/2 (x2 + 19938) [1500.08] 3 Z (58)  6.1103 14 0.2869  [4.717E-4] 15  1.65879 A' ↔ X2 R 19610.82 3 Z
↳missing citation
X2 (2Δ)3/2 x2 16 [2177.31] 3 Z (43)  7.2784 14 0.2029  [2.834E-4] 17  1.51987  
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
X1 (2Δ)5/2 0 18 [2294.68] 3 Z (46)  7.1963 0.1996  [2.613E-4] 19  1.52852  

Notes

1D1 = 4.9E-4.
2Preliminary data only.
3Band origins in the tables for PtH and PtD correspond to the energy of J'=0 relative to J"=0. Vibrational constants recalculated accordingly.
4From the corresponding value for PtD.
5Perturbations in both v=0 and v=1.
6Predissociation above v=0, J=12.5, see Kaving and Scullman, 1971.
7D1 = 3.94E-4.
8Perturbation in v=1 at J~6.5, see Scullman, 1971.
9D1 = 3.5E-4.
10(v=0, ..., 3).
11Ω-type doubling; for details see Scullman, 1965, Kaving and Scullman, 1971, Kaving and Scullman, 1974.
12B1= 5.244, B2= 4.924, B3= 4.517 (v=3 perturbed for J ≥ 10.5).
13D1(E-4 cm-1)= 3.68, D2(E-4 cm-1)= 4.42, D3(E-4 cm-1)= 8.8.
14Ω-type doubling; see Kaving and Scullman, 1971.
15D1 = 6.08E-4.
16x2 ~1320; see Kaving and Scullman, 1971.
17D1 = 2.84E-4
18Not certain that this is the ground state.
19D1 = 2.607E-4.
20From the predissociation in v=0 of B (2Δ)5/2, assuming that X1 is the ground state.

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Constants of diatomic molecules, Notes

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

Bilodeau, Scheer, et al., 1999
Bilodeau, R.C.; Scheer, M.; Haugen, H.K.; Brooks, R.L., Near-threshold Laser Spectroscopy of Iridium and Platinum Negative Ions: Electron Affinities and the Threshold Law, Phys. Rev. A, 1999, 61, 1, 12505, https://doi.org/10.1103/PhysRevA.61.012505 . [all data]

Scullman, 1971
Scullman, Dissertation, see USIP Report 71-02, Stockholm, 1971, 1. [all data]

Loginov, 1964
Loginov, V.A., The production of electronic band spectra by the exploding wire method, Opt. Spectrosc. Engl. Transl., 1964, 16, 220, In original 402. [all data]

Loginov, 1966
Loginov, V.A., Absorption spectra of PtH and PtD, Opt. Spectrosc. Engl. Transl., 1966, 20, 88, In original 167. [all data]

Kaving and Scullman, 1971
Kaving, B.; Scullman, R., Two new subsystems of PtH in the region 3500-5800 Å, Can. J. Phys., 1971, 49, 2264. [all data]

Neuhaus and Scullman, 1964
Neuhaus, H.; Scullman, R., Das Bandenspektrum des PtH und PtD, Z. Naturforsch. A, 1964, 19, 659. [all data]

Scullman, 1965
Scullman, R., Rotational analysis of violet and green bands of PtH, Ark. Fys., 1965, 28, 255. [all data]

Kaving and Scullman, 1974
Kaving, B.; Scullman, R., Rotational analysis of the A2Δ5/2-X2Δ5/2 and B2Δ5/2 - X2Δ5/2 band sub-system of PtD, Phys. Scr., 1974, 9, 33. [all data]

Notes

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