H3NSi
- Formula: H3NSi
- Molecular weight: 45.1160
- CAS Registry Number: 101010-12-2
- Information on this page:
- Other data available:
- Options:
Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, References, Notes
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
H2NSi- + = H3NSi
By formula: H2NSi- + H+ = H3NSi
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1504. ± 13. | kJ/mol | G+TS | Damrauer, Krempp, et al., 1993 | gas phase; Between CF3CH2OH, pyrrole. Acid calculated to be HSiNH2 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1473. ± 13. | kJ/mol | IMRB | Damrauer, Krempp, et al., 1993 | gas phase; Between CF3CH2OH, pyrrole. Acid calculated to be HSiNH2 |
Vibrational and/or electronic energy levels
Go To: Top, 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.
Data compiled by: Marilyn E. Jacox
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 48000 | Ar | Maier, Glatthaar, et al., 1989 | |||||
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Tx = 45500 | Ar | Maier, Glatthaar, et al., 1989 | |||||
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Txd = 28700 | Ar | Maier, Glatthaar, et al., 1989 | |||||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| NH2 stretch | 3494.5 | w m | Ar | IR | Maier, Glatthaar, et al., 1989 | ||
| NH2 stretch | 3408.7 | w | Ar | IR | Maier, Glatthaar, et al., 1989 | ||
| SiH stretch | 1975.3 | vs | Ar | IR | Maier, Glatthaar, et al., 1989 | ||
| SiH stretch | 1927.0 | Ar | IR | Chen, Zheng, et al., 2002 | |||
| NH2 scissors | 1562.6 | m | Ar | IR | Maier, Glatthaar, et al., 1989 | ||
| 938.6 | Ar | IR | Chen, Zheng, et al., 2002 | ||||
| SiN stretch | 866.4 | s | Ar | IR | Maier, Glatthaar, et al., 1989 | ||
| SiN stretch | 853.8 | Ar | IR | Chen, Zheng, et al., 2002 | |||
| NH2 wag | 570.4 | vs | Ar | IR | Maier, Glatthaar, et al., 1989 | ||
| NH2 wag | 562.8 | Ar | IR | Chen, Zheng, et al., 2002 | |||
Additional references: Jacox, 1994, page 235
Notes
| w | Weak |
| m | Medium |
| s | Strong |
| vs | Very strong |
| x | Energy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state. |
| d | Photodissociation threshold |
References
Go To: Top, Gas phase ion energetics data, 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.
Damrauer, Krempp, et al., 1993
Damrauer, R.; Krempp, M.; Ohair, R.A.J.,
Gas-Phase Chemistry of HSiS- and HSiNH- - Ions Related to Silathioformaldehyde and the Silaazomethine of Formaldehyde,
J. Am. Chem. Soc., 1993, 115, 5, 1998, https://doi.org/10.1021/ja00058a055
. [all data]
Maier, Glatthaar, et al., 1989
Maier, G.; Glatthaar, J.; Reisenauer, H.P.,
Hetero-π-Systeme, 17: Aminosilylen (Aminosilandiyl),
Chem. Ber., 1989, 122, 12, 2403, https://doi.org/10.1002/cber.19891221231
. [all data]
Chen, Zheng, et al., 2002
Chen, M.; Zheng, A.; Lu, H.; Zhou, M.,
Reactions of Atomic Silicon and Germanium with Ammonia: A Matrix-Isolation FTIR and Theoretical Study,
J. Phys. Chem. A, 2002, 106, 13, 3077, https://doi.org/10.1021/jp012928z
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.