Arsine
- Formula: AsH3
- Molecular weight: 77.94542
- IUPAC Standard InChIKey: RBFQJDQYXXHULB-UHFFFAOYSA-N
- CAS Registry Number: 7784-42-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Arsenic trihydride; Arsenic hydride; Arseniuretted hydrogen; Arsenous hydride; Hydrogen arsenide; AsH3; Arsenic hydrid; Arsenowodor; Arsenwasserstoff; UN 2188; Arsenic hydride (AsH3)
- 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:
Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, 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 by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
H2As- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1496. ± 8.8 | kJ/mol | G+TS | Gal, Maria, et al., 1989 | gas phase |
ΔrH° | 1497. ± 13. | kJ/mol | D-EA | Smyth and Brauman, 1972 | gas phase |
ΔrH° | 1514. ± 26. | kJ/mol | G+TS | Wyatt, Holtz, et al., 1974 | gas phase; Between PH3, H2S; value altered from reference due to change in acidity scale |
ΔrH° | <1505. ± 19. | kJ/mol | EIAE | Ebinghaus, Kraus, et al., 1964 | gas phase; From AsH3 |
ΔrH° | 1502.1 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; CrOO-(q); ; ΔS(EA)=1.7 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1464. ± 8.4 | kJ/mol | IMRE | Gal, Maria, et al., 1989 | gas phase |
ΔrG° | 1483. ± 25. | kJ/mol | IMRB | Wyatt, Holtz, et al., 1974 | gas phase; Between PH3, H2S; value altered from reference due to change in acidity scale |
ΔrG° | 1473.6 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; CrOO-(q); ; ΔS(EA)=1.7 |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LL - Sharon G. Lias and Joel F. Liebman
View reactions leading to H3As+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 747.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 712.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.89 | PE | Potts and Price, 1972 | LLK |
10.06 ± 0.03 | PE | Branton, Frost, et al., 1970 | RDSH |
10.03 | PI | Price and Passmore, 1963 | RDSH |
10.58 ± 0.05 | PE | Demuth, 1977 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
As+ | 15.0 ± 0.3 | H2+H | EI | Saalfeld and McDowell, 1967 | RDSH |
As+ | 14.8 ± 0.2 | H2+H | EI | Saalfeld and Svec, 1963 | RDSH |
AsH+ | 11.30 ± 0.05 | H2 | PI | Berkowitz, 1988 | LL |
AsH+ | 12.5 ± 0.2 | H2 | EI | Saalfeld and McDowell, 1967 | RDSH |
AsH+ | 12.4 ± 0.2 | H2 | EI | Saalfeld and Svec, 1963 | RDSH |
AsH2+ | 12.69 ± 0.01 | H | PI | Berkowitz, 1988 | LL |
AsH2+ | 13.4 ± 0.2 | H | EI | Saalfeld and McDowell, 1967 | RDSH |
AsH2+ | 14.5 ± 0.2 | H | EI | Saalfeld and Svec, 1963 | RDSH |
De-protonation reactions
H2As- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1496. ± 8.8 | kJ/mol | G+TS | Gal, Maria, et al., 1989 | gas phase; B |
ΔrH° | 1497. ± 13. | kJ/mol | D-EA | Smyth and Brauman, 1972 | gas phase; B |
ΔrH° | 1514. ± 26. | kJ/mol | G+TS | Wyatt, Holtz, et al., 1974 | gas phase; Between PH3, H2S; value altered from reference due to change in acidity scale; B |
ΔrH° | <1505. ± 19. | kJ/mol | EIAE | Ebinghaus, Kraus, et al., 1964 | gas phase; From AsH3; B |
ΔrH° | 1502.1 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; CrOO-(q); ; ΔS(EA)=1.7; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1464. ± 8.4 | kJ/mol | IMRE | Gal, Maria, et al., 1989 | gas phase; B |
ΔrG° | 1483. ± 25. | kJ/mol | IMRB | Wyatt, Holtz, et al., 1974 | gas phase; Between PH3, H2S; value altered from reference due to change in acidity scale; B |
ΔrG° | 1473.6 | kJ/mol | N/A | Check, Faust, et al., 2001 | gas phase; CrOO-(q); ; ΔS(EA)=1.7; B |
Mass spectrum (electron ionization)
Go To: Top, Reaction thermochemistry data, 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 | LRL 0008 |
NIST MS number | 408 |
References
Go To: Top, Reaction thermochemistry data, 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.
Gal, Maria, et al., 1989
Gal, J.-F.; Maria, P.-C.; Decouzon, M.,
The Gas-Phase Acidity and Bond Dissociation Energies of Hydrogen Telluride,
Int. J. Mass Spectrom. Ion Proc., 1989, 93, 1, 87, https://doi.org/10.1016/0168-1176(89)83076-9
. [all data]
Smyth and Brauman, 1972
Smyth, K.C.; Brauman, J.I.,
Photodetachment of electrons from amide and arsenide ions: The electron affinities of NH2 and AsH2.,
J. Chem. Phys., 1972, 56, 4620. [all data]
Wyatt, Holtz, et al., 1974
Wyatt, R.H.; Holtz, D.; McMahon, T.B.; Beauchamp, J.L.,
Acidity, basicity, and ion-molecule reactions of arsine in the gas phase by ICR spectroscopy,
Inorg. Chem., 1974, 13, 1511. [all data]
Ebinghaus, Kraus, et al., 1964
Ebinghaus, H.; Kraus, K.; Neuert, H.; Muller-Duysing, W.,
Negative Ionen durch Elecktronenresonanzeinfang in PH3, AsH3, und SiH4,
Z. Naturfor., 1964, 19A, 732. [all data]
Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S.,
Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements,
J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l
. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Potts and Price, 1972
Potts, A.W.; Price, W.C.,
Photoelectron spectra and valence shell orbital structures of groups V VI hydrides,
Proc. R. Soc. London A:, 1972, 326, 181. [all data]
Branton, Frost, et al., 1970
Branton, G.R.; Frost, D.C.; McDowell, C.A.; Stenhouse, I.A.,
The photoelectron spectra of phosphine and arsine,
Chem. Phys. Lett., 1970, 5, 1. [all data]
Price and Passmore, 1963
Price, W.C.; Passmore, T.R.,
[Title unavailable],
Faraday Discuss. Chem. Soc., 1963, 35, 232. [all data]
Demuth, 1977
Demuth, R.,
Photoelektronenspektren von einigen Trihalogensilylphosphanen und -arsanen X3SiER2 (X = F, Cl; E = N, P, As; R = H, CH3),
Z. Naturforsch. B:, 1977, 32, 1252. [all data]
Saalfeld and McDowell, 1967
Saalfeld, F.E.; McDowell, M.V.,
The mass spectra of volatile hydrides. V. Silylarsine,
Inorg. Chem., 1967, 6, 96. [all data]
Saalfeld and Svec, 1963
Saalfeld, F.E.; Svec, H.J.,
The mass spectra of volatile hydrides. I. The monoelemental hydrides of the group IVB and VB elements,
Inorg. Chem., 1963, 2, 46. [all data]
Berkowitz, 1988
Berkowitz, J.,
Photoionization mass spectrometric studies of AsHn(n=1-3),
J. Chem. Phys., 1988, 89, 7065. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy 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.