Germane, tetramethyl-
- Formula: C4H12Ge
- Molecular weight: 132.78
- IUPAC Standard InChIKey: ZRLCXMPFXYVHGS-UHFFFAOYSA-N
- CAS Registry Number: 865-52-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Tetramethylgermane; Tetramethylgermanium; (CH3)4Ge; Germanium, tetramethyl-
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), References, Notes
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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.56 ± 0.06 | EI | MacLean and Sacher, 1974 | LLK |
9.33 ± 0.04 | PE | Jonas, Schweitzer, et al., 1973 | LLK |
9.4 ± 0.1 | PE | Evans, Green, et al., 1972 | LLK |
9.29 ± 0.14 | EI | Lappert, Pedley, et al., 1971 | LLK |
9.29 ± 0.14 | EI | Lappert, Simpson, et al., 1969 | RDSH |
11.2 | EI | deRidder and Dijkstra, 1967 | RDSH |
9.2 ± 0.2 | EI | Hobrock and Kiser, 1962 | Personal communication from R.M. Reese and V.H. Dibeler; RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH3+ | 20.1 ± 0.5 | ? | EI | Hobrock and Kiser, 1962 | Personal communication from R.M. Reese and V.H. Dibeler; RDSH |
CH3Ge+ | 13.8 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
CH3Ge+ | 16.8 ± 0.4 | ? | EI | Hobrock and Kiser, 1962 | Personal communication from R.M. Reese and V.H. Dibeler; RDSH |
CH4Ge+ | 13.2 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
CH5Ge+ | 13.4 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
C2H6Ge+ | 14.2 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
C2H6Ge+ | 14.1 ± 0.2 | ? | EI | Hobrock and Kiser, 1962 | Personal communication from R.M. Reese and V.H. Dibeler; RDSH |
C2H7Ge+ | 14.2 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
C3H9Ge+ | 10.07 ± 0.07 | CH3 | EI | MacLean and Sacher, 1974 | LLK |
C3H9Ge+ | 10.05 ± 0.14 | CH3 | EI | Lappert, Pedley, et al., 1971 | LLK |
C3H9Ge+ | 10.05 ± 0.14 | CH3 | EI | Lappert, Simpson, et al., 1969 | RDSH |
C3H9Ge+ | 11.4 | CH3 | EI | deRidder and Dijkstra, 1967 | RDSH |
C3H9Ge+ | 10.2 ± 0.1 | CH3 | EI | Hobrock and Kiser, 1962 | Personal communication from R.M. Reese and V.H. Dibeler; RDSH |
Ge+ | 18.1 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
Ge+ | 19.2 ± 0.5 | ? | EI | Hobrock and Kiser, 1962 | Personal communication from R.M. Reese and V.H. Dibeler; RDSH |
GeH+ | 17.8 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
GeH3+ | 17.1 | ? | EI | deRidder and Dijkstra, 1967 | RDSH |
Mass spectrum (electron ionization)
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-8637 |
NIST MS number | 233396 |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
MacLean and Sacher, 1974
MacLean, D.I.; Sacher, R.E.,
A study of some spectroscopic properties of Group IVA acetylides,
J. Organomet. Chem., 1974, 74, 197. [all data]
Jonas, Schweitzer, et al., 1973
Jonas, A.E.; Schweitzer, G.K.; Grimm, F.A.; Carlson, T.A.,
The photoelectron spectra of the tetrafluoro and tetramethyl compounds of the group IV elements,
J. Electron Spectrosc. Relat. Phenom., 1973, 1, 29. [all data]
Evans, Green, et al., 1972
Evans, S.; Green, J.C.; Joachim, P.J.; Orchard, A.F.; Turner, D.W.; Maier, J.P.,
Electronic structures of the Group IVB tetramethyls by helium-(I) photoelectron spectroscopy,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 905. [all data]
Lappert, Pedley, et al., 1971
Lappert, M.F.; Pedley, J.B.; Simpson, J.; Spalding, T.R.,
Bonding studies of compounds of boron and the Group IV elements. VI. Mass spectrometric studies on compounds Me4M and Me3M-M'Me3 (M and M'=C, Si, Ge, Sn, and Pb): thermochemical data,
J. Organomet. Chem., 1971, 29, 195. [all data]
Lappert, Simpson, et al., 1969
Lappert, M.F.; Simpson, J.; Spalding, T.R.,
Bonding studies of compounds of the group IV elements: ionisation potentials of the Me3M radicals,
J.Organometal. Chem., 1969, 17, PI. [all data]
deRidder and Dijkstra, 1967
deRidder, J.J.; Dijkstra, G.,
Mass spectra of the tetramethyl and tetraethyl compounds of carbon, silicon, germanium, tin and lead,
Rec. Trav. Chim., 1967, 86, 737. [all data]
Hobrock and Kiser, 1962
Hobrock, B.G.; Kiser, R.W.,
Electron impact spectroscopy of tetramethylgermanium, trimethylsilane, and dimethylmercury,
J. Phys. Chem., 1962, 66, 155. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy - 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.