Hydrogen sulfide-d2
- Formula: D2S
- Molecular weight: 36.093
- CAS Registry Number: 13536-94-2
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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 |
|---|---|---|---|---|---|
| ΔfH°gas | -23.89 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1977 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 215.30 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1977 |
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) | 298. - 1300. | 1300. - 6000. |
|---|---|---|
| A | 20.83364 | 54.69785 |
| B | 47.24196 | 2.478946 |
| C | -21.87722 | -0.343880 |
| D | 3.405501 | 0.022734 |
| E | 0.240325 | -7.602286 |
| F | -31.20523 | -56.79403 |
| G | 228.7188 | 259.9866 |
| H | -23.89102 | -23.89102 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in June, 1977 | Data last reviewed in June, 1977 |
Phase change 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tc | 372.3 | K | N/A | Cubitt, Henderson, et al., 1987 | Uncertainty assigned by TRC = 0.37 K; Tc from H.Kopper, 1936-450 |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 88.90 | bar | N/A | Cubitt, Henderson, et al., 1987 | Uncertainty assigned by TRC = 1.30 bar; VP difference from hydrogen sulphide measured to 248 K. Sample purity judged from constancy of vapour pressure while melting at the triple point |
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 as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.2 ± 0.2 | EI | Dibeler and Rosenstock, 1963 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| S+ | 13.43 | DS | PIPECO | Eland, 1979 | LLK |
Vibrational and/or electronic energy levels
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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: Takehiko Shimanouchi
Symmetry: C2ν Symmetry Number σ = 2
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1 | 1 | Sym str | 1896 | A | 1896.38 | gas | 1891.6 | gas | ||
| a1 | 2 | Bend | 855 | A | 855.45 | gas | ||||
| b1 | 3 | Anti str | 1999 | E | 1999 | gas | ||||
Source: Shimanouchi, 1972
Notes
| A | 0~1 cm-1 uncertainty |
| E | 15~30 cm-1 uncertainty |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, 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]
Cubitt, Henderson, et al., 1987
Cubitt, A.G.; Henderson, C.; Staveley, L.A.K.; Fonseca, I.M.A.; Ferreira, A.G.M.,
Some thermodynamic properties of liquid hydrogen sulphide and deuterium sulphide,
J. Chem. Thermodyn., 1987, 19, 703. [all data]
Dibeler and Rosenstock, 1963
Dibeler, V.H.; Rosenstock, H.M.,
Mass spectra and metastable transitions of H2S, HDS, and D2S,
J. Chem. Phys., 1963, 39, 3106. [all data]
Eland, 1979
Eland, J.H.D.,
Dissociations of state-selected C2H2+, H2S+ and D2S+ ions studied by photoelectron-photoion coincidence spectroscopy,
Int. J. Mass Spectrom. Ion Phys., 1979, 31, 161. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy Pc Critical pressure S°gas,1 bar Entropy of gas at standard conditions (1 bar) Tc Critical temperature ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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