Methane-d3
- Formula: CHD3
- Molecular weight: 19.0609
- CAS Registry Number: 676-80-2
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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 |
|---|---|---|---|---|---|
| Ttriple | 89.94 | K | N/A | Armstrong, Brickwedde, et al., 1953 | Uncertainty assigned by TRC = 0.03 K |
| Quantity | Value | Units | Method | Reference | Comment |
| Ptriple | 0.1068 | bar | N/A | Armstrong, Brickwedde, et al., 1953 | Uncertainty assigned by TRC = 0.0003 bar |
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: C3ν Symmetry Number σ = 3
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1 | 1 | CH str | 2993 | C | 2993 M | gas | ||||
| a1 | 2 | CD3 s-str | 2142 | C | 2142 M | gas | 2141 | gas | ||
| a1 | 3 | CD3 s-deform | 1003 | C | 1003 M | gas | ||||
| e | 4 | CD3 d-str | 2263 | C | 2263 M | gas | 2269 | gas | ||
| e | 5 | CD3 rock | 1291 | C | 1291 M | gas | 1299 | gas | ||
| e | 6 | CD3 d-deform | 1036 | C | 1036 S | gas | 1046 | gas | ||
Source: Shimanouchi, 1972
Notes
| S | Strong |
| M | Medium |
| C | 3~6 cm-1 uncertainty |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Armstrong, Brickwedde, et al., 1953
Armstrong, G.T.; Brickwedde, F.G.; Scott, R.B.,
The Vapor Pressure of the Deuteromethanes,
J. Chem. Phys., 1953, 21, 1297. [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:
Ptriple Triple point pressure Ttriple Triple point temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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