Strontium monohydroxide
- Formula: HOSr
- Molecular weight: 104.63
- IUPAC Standard InChIKey: HGDJQLJUGUXYKQ-UHFFFAOYSA-M
- CAS Registry Number: 12141-14-9
- Chemical structure:
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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 243.64 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 234.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
5.1 ± 0.2 | EI | Murad, 1983 | LBLHLM |
5.1 ± 0.2 | EI | Murad, 1981 | LLK |
5.6 ± 0.1 | DER | Kelly and Padley, 1970 | RDSH |
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: F
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 32985 | gas | F-X | 297 | 304 | Beardah and Ellis, 1999 | ||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 3 | SrO stretch | 592 | T | gas | LF | Beardah and Ellis, 1999 |
State: E
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 29990 | gas | E-X | 308 | 334 | Beardah and Ellis, 1999 | ||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 3 | SrO stretch | 612 | T | gas | LF | Beardah and Ellis, 1999 |
State: D
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 27701.64 | gas | D-X | 353 | 361 | Beardah and Ellis, 1999 | ||
Wang, Dick, et al., 2007 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 3 | SrO stretch | 630 | T | gas | LF | Beardah and Ellis, 1999 |
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 27307.25 | gas | C-X | 354 | 383 | Beardah and Ellis, 1999 | ||
Wang, Sheridan, et al., 2006 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Π | 2 | Bend | 255 | T w | gas | LF | Beardah and Ellis, 1999 |
State: B'
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 260033.41 | gas | B'-X | 371 | 385 | Beardah and Ellis, 2003 | ||
Wang, Dick, et al., 2007 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Π | 2 | Bend | 394 | gas | LF | Beardah and Ellis, 2003 | |
Σ+ | 3 | SrO stretch | 574 | gas | LF | Beardah and Ellis, 2003 | |
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 16377.505 ± 0.001 | gas | B-X | 580 | 611 | Wormsbecher, Trkula, et al., 1983 | ||
Nakagawa, Wormsbecher, et al., 1983 | |||||||
Steimle, Fletcher, et al., 1992 | |||||||
Presunka and Coxon, 1993 | |||||||
Tx = 16553 ± 15 | Kr | B-X | Douglas, Hauge, et al., 1984 | ||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Π | 2 | Bend | 400.84 | gas | LF | Nakagawa, Wormsbecher, et al., 1983 Presunka and Coxon, 1993 | |
Σ+ | 3 | SrO stretch | 533.7 | gas | LF | Oberlander and Parson, 1996 | |
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 14674.04 | gas | A-X | 645 | 695 | Wormsbecher, Trkula, et al., 1983 | ||
Brazier and Bernath, 1985 | |||||||
Steimle, Fletcher, et al., 1992 | |||||||
Presunka and Coxon, 1994 | |||||||
Presunka and Coxon, 1995 | |||||||
Wang, Sheridan, et al., 2006 | |||||||
Tx = 14598 ± 15 | Kr | A-X | Douglas, Hauge, et al., 1984 | ||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Π | 2 | Bend | 381.36 | gas | LF | Presunka and Coxon, 1994 | |
Σ+ | 3 | SrO stretch | 542.6 | gas | LF | Brazier and Bernath, 1985 Presunka and Coxon, 1995 | |
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 1 | OH stretch | 3766 ± 10 | gas | LF | Jarman and Bernath, 1992 | |
Π | 2 | Bend | 363.69 | gas | LF | Nakagawa, Wormsbecher, et al., 1983 Brazier and Bernath, 1985 Presunka and Coxon, 1993 Beardah and Ellis, 1999 | |
Σ+ | 3 | SrO stretch | 526.99 | gas | LF | Nakagawa, Wormsbecher, et al., 1983 Brazier and Bernath, 1985 Presunka and Coxon, 1995 Beardah and Ellis, 1999 | |
3 | SrO stretch | 479.3 | Ar | IR | Kauffman, Hauge, et al., 1984 | ||
Additional references: Jacox, 1994, page 29; Jacox, 1998, page 140; Jacox, 2003, page 23; James and Sugden, 1955; Anderson, Barclay, et al., 1992; Fletcher, Jung, et al., 1993; Zhao, Hajigeorgiou, et al., 1996; Yu, Wang, et al., 2006
Notes
w | Weak |
T | Tentative assignment or approximate value |
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
x | Energy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state. |
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.
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]
Murad, 1983
Murad, E.,
Abstraction reactions of Ca+ and Sr+ ions,
J. Chem. Phys., 1983, 78, 6611. [all data]
Murad, 1981
Murad, E.,
Thermochemical properties of the gaseous alkaline earth monohydroxides,
J. Chem. Phys., 1981, 75, 4080. [all data]
Kelly and Padley, 1970
Kelly, R.; Padley, P.J.,
Ionization potentials of alkaline-earth monohydroxides,
Chem. Commun., 1970, 1606. [all data]
Beardah and Ellis, 1999
Beardah, M.S.; Ellis, A.M.,
Observation of several new electronic transitions of the SrOH free radical,
J. Chem. Phys., 1999, 110, 23, 11244, https://doi.org/10.1063/1.479065
. [all data]
Wang, Dick, et al., 2007
Wang, J.-G.; Dick, M.J.; Sheridan, P.M.; Yu, S.; Bernath, P.F.,
Further spectroscopic investigations of the high energy electronic states of SrOH: The and the transitions,
J. Mol. Spectrosc., 2007, 245, 1, 26, https://doi.org/10.1016/j.jms.2007.06.005
. [all data]
Wang, Sheridan, et al., 2006
Wang, J.-G.; Sheridan, P.M.; Dick, M.J.; Bernath, P.F.,
Optical--optical double-resonance spectroscopy of SrOH: The transition,
J. Mol. Spectrosc., 2006, 236, 1, 21, https://doi.org/10.1016/j.jms.2005.12.002
. [all data]
Beardah and Ellis, 2003
Beardah, M.S.; Ellis, A.M.,
Observation of a new transition of the SrOH free radical,
J. Mol. Spectrosc., 2003, 218, 1, 80, https://doi.org/10.1016/S0022-2852(02)00040-1
. [all data]
Wormsbecher, Trkula, et al., 1983
Wormsbecher, R.F.; Trkula, M.; Martner, C.; Penn, R.E.; Harris, D.O.,
Chemiluminescent reactions of alkaline-earth metals with water and hydrazine,
J. Mol. Spectrosc., 1983, 97, 1, 29, https://doi.org/10.1016/0022-2852(83)90335-1
. [all data]
Nakagawa, Wormsbecher, et al., 1983
Nakagawa, J.; Wormsbecher, R.F.; Harris, D.O.,
High-resolution laser excitation spectra of linear triatomic molecules: Analysis of the B2Σ+-X2Σ+ system of SrOH and SrOD,
J. Mol. Spectrosc., 1983, 97, 1, 37, https://doi.org/10.1016/0022-2852(83)90336-3
. [all data]
Steimle, Fletcher, et al., 1992
Steimle, T.C.; Fletcher, D.A.; Jung, K.Y.; Scurlock, C.T.,
A supersonic molecular beam optical Stark study of CaOH and SrOH,
J. Chem. Phys., 1992, 96, 4, 2556, https://doi.org/10.1063/1.462007
. [all data]
Presunka and Coxon, 1993
Presunka, P.I.; Coxon, J.A.,
High-resolution laser spectroscopy of excited bending vibrations (υ,
Can. J. Chem., 1993, 71, 10, 1689, https://doi.org/10.1139/v93-211
. [all data]
Douglas, Hauge, et al., 1984
Douglas, M.A.; Hauge, R.H.; Margrave, J.L.,
Electronic Matrix Isolation Spectroscopic Studies of the Group IIA Metal---Water Photochemistry,
High Temp. Sci., 1984, 17, 201. [all data]
Oberlander and Parson, 1996
Oberlander, M.D.; Parson, J.M.,
Laser excited fluorescence study of reactions of excited Ca and Sr with water and alcohols: Product selectivity and energy disposal,
J. Chem. Phys., 1996, 105, 14, 5806, https://doi.org/10.1063/1.472457
. [all data]
Brazier and Bernath, 1985
Brazier, C.R.; Bernath, P.F.,
Laser and fourier transform spectroscopy of the transition of SrOH,
J. Mol. Spectrosc., 1985, 114, 1, 163, https://doi.org/10.1016/0022-2852(85)90345-5
. [all data]
Presunka and Coxon, 1994
Presunka, P.I.; Coxon, J.A.,
Laser spectroscopy of the A 2Π--X 2Σ+ transition of SrOH: Deperturbation analysis of K-resonance in the v2=1 level of the A 2Π state,
J. Chem. Phys., 1994, 101, 1, 201, https://doi.org/10.1063/1.468171
. [all data]
Presunka and Coxon, 1995
Presunka, P.I.; Coxon, J.A.,
Laser excitation and dispersed fluorescence investigations of the system of SrOH,
Chem. Phys., 1995, 190, 1, 97, https://doi.org/10.1016/0301-0104(94)00330-D
. [all data]
Jarman and Bernath, 1992
Jarman, C.N.; Bernath, P.F.,
High resolution laser spectroscopy of the C 2Δ--X 2Σ+ transition of CaOH and CaOD: Vibronic coupling and the Renner--Teller effect,
J. Chem. Phys., 1992, 97, 3, 1711, https://doi.org/10.1063/1.463158
. [all data]
Kauffman, Hauge, et al., 1984
Kauffman, J.W.; Hauge, R.H.; Margrave, J.L.,
High Temp. Sci., 1984, 18, 97. [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]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Jacox, 2003
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement B,
J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629
. [all data]
James and Sugden, 1955
James, C.G.; Sugden, T.M.,
A New Identification of the Flame Spectra of the Alkaline-Earth Metals,
Nature, 1955, 175, 4451, 333, https://doi.org/10.1038/175333a0
. [all data]
Anderson, Barclay, et al., 1992
Anderson, M.A.; Barclay, W.L., Jr.; Ziurys, L.M.,
The millimeter-wave spectrum of the SrOH and SrOD radicals,
Chem. Phys. Lett., 1992, 196, 1-2, 166, https://doi.org/10.1016/0009-2614(92)85948-A
. [all data]
Fletcher, Jung, et al., 1993
Fletcher, D.A.; Jung, K.Y.; Scurlock, C.T.; Steimle, T.C.,
Molecular beam pump/probe microwave-optical double resonance using a laser ablation source,
J. Chem. Phys., 1993, 98, 3, 1837, https://doi.org/10.1063/1.464218
. [all data]
Zhao, Hajigeorgiou, et al., 1996
Zhao, C.; Hajigeorgiou, P.G.; Bernath, P.F.; Hepburn, J.W.,
High-Resolution Laser Excitation Spectroscopy of theB2Σ+--X2Σ+System of Jet-Cooled SrOD,
J. Mol. Spectrosc., 1996, 176, 2, 268, https://doi.org/10.1006/jmsp.1996.0086
. [all data]
Yu, Wang, et al., 2006
Yu, S.; Wang, J.-G.; Sheridan, P.M.; Dick, M.J.; Bernath, P.F.,
Laser spectroscopy of the and transitions of SrOD,
J. Mol. Spectrosc., 2006, 240, 1, 26, https://doi.org/10.1016/j.jms.2006.08.004
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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