Diborane-d6 (10B2D6)
- Formula: 10B2D6
- Molecular weight: 32.1104847
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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: D2h Symmetry Number σ = 4
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| ag | 1 | BD2 s-str | 1860 | E | ia | 1880 VS p | liq. | FR2(ν3) | ||
| ag | 1 | BD2 s-str | 1860 | E | ia | 1833 S p | liq. | FR2(ν3) | ||
| ag | 2 | Ring str | 1511 | C | ia | 1511 VS p | liq. | |||
| ag | 3 | BD2 scis | 929 | C | ia | 929 p | liq. | |||
| ag | 4 | Ring deform | 726 | C | ia | 726 VS p | liq. | |||
| au | 5 | BD2 twist | 592 | D | 592 VW | gas | ia | |||
| b1g | 6 | Ring str | 1273 | C | ia | 1273 dp | liq. | |||
| b1g | 7 | BD2 wag | 870 | E | ia | OC(ν5+ν7) | ||||
| b1u | 8 | BD2 a-str | 1999 | C | 1999 VS | gas | ia | |||
| b1u | 9 | BD2 rock | 705 | E | ia | OC(ν9+ν10) | ||||
| b1u | 10 | Ring puck | 262 | C | 262 M | gas | ia | |||
| b2g | 11 | BD2 a-str | 1980 | E | ia | 1975 dp | liq. | |||
| b2g | 11 | BD2 a-str | 1980 | E | ia | 2000 dp | liq. | |||
| b2g | 12 | BD2 rock | 740 | E | ia | OC(ν10+ν12) | ||||
| b2u | 13 | Ring str | 1465 | E | 1491 M | gas | ia | FR(ν5+ν7) | ||
| b2u | 13 | Ring str | 1465 | E | 1459 | gas | ia | FR(ν5+ν7) | ||
| b2u | 14 | BD2 wag | 728 | C | 728 S | gas | ia | |||
| b3g | 15 | BD2 twist | 730 | C | ia | 730 dp | liq. | |||
| b3u | 16 | BD2 s-str | 1845 | C | 1857 VS | gas | ia | FR(ν3+ν18) | ||
| b3u | 16 | BD2 s-str | 1845 | C | 1799 S | gas | ia | FR(ν3+ν18) | ||
| b3u | 17 | Ring deform | 1205 | C | 1205 VS | gas | ia | |||
| b3u | 18 | BD2 scis | 881 | C | 881 VS | gas | ia | |||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| S | Strong |
| M | Medium |
| VW | Very weak |
| ia | Inactive |
| p | Polarized |
| dp | Depolarized |
| FR | Fermi resonance with an overtone or a combination tone indicated in the parentheses. |
| OC | Frequency estimated from an overtone or a combination tone indicated in the parentheses. |
| C | 3~6 cm-1 uncertainty |
| D | 6~15 cm-1 uncertainty |
| E | 15~30 cm-1 uncertainty |
References
Go To: Top, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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