Calcium monohydroxide
- Formula: CaHO
- Molecular weight: 57.085
- IUPAC Standard InChIKey: KIZFHUJKFSNWKO-UHFFFAOYSA-M
- CAS Registry Number: 12177-67-2
- Chemical structure:
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Vibrational and/or electronic energy levels
Go To: Top, 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: G
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 32630.2 | gas | Hailey, Jarman, et al., 1997 | |||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Π | 2 | Bend | 311 | gas | DR | Hailey, Jarman, et al., 1997 | |
State: F
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 30215 | gas | Pereira and Levy, 1996 | |||||
State: E
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 29879 | gas | E-X | 326 | 335 | Pereira and Levy, 1996 | ||
State: D
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 28156.20 | gas | D-X | 335 | 355 | Pereira and Levy, 1996 | ||
Dick, Sheridan, et al., 2006 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Π | 2 | Bend | 412 ± 2 | gas | LF MPI | Pereira and Levy, 1996 | |
Σ+ | 3 | CaO stretch | 674.0 ± 1.5 | gas | LF MPI | Pereira and Levy, 1996 | |
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 21896 | T | gas | C-X | 440 | 470 | Jarman and Bernath, 1992 | |
Jakubek and Field, 1993 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Π | 2 | Bend | 312 | gas | LF | Jarman and Bernath, 1992 | |
Σ+ | 3 | CaO stretch | 528 | gas | LF | Jarman and Bernath, 1992 | |
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 18022.268 ± 0.001 | gas | B-X | 555 | Wormsbecher, Trkula, et al., 1983 | |||
Bernath and Kinsey-Nielsen, 1984 | |||||||
Bernath and Brazier, 1985 | |||||||
Steimle, Fletcher, et al., 1992 | |||||||
Tx = 18236 ± 15 | Kr | B-X | Douglas, Hauge, et al., 1984 | ||||
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 15997.78 | gas | A-X | 600 | 650 | Wormsbecher, Trkula, et al., 1983 | ||
Hilborn, Qingshi, et al., 1983 | |||||||
Bernath and Brazier, 1985 | |||||||
Coxon, Li, et al., 1991 | |||||||
Steimle, Fletcher, et al., 1992 | |||||||
Li and Coxon, 1992 | |||||||
Coxon, Li, et al., 1994 | |||||||
Li and Coxon, 1994 | |||||||
Li and Coxon, 1996 | |||||||
Dick, Sheridan, et al., 2006 | |||||||
Tx = 16096 ± 15 | Kr | A-X | Douglas, Hauge, et al., 1984 | ||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Π | 2 | Bend | 361.36 | gas | LF | Li and Coxon, 1992 Coxon, Li, et al., 1994 Li and Coxon, 1995 | |
Σ+ | 3 | CaO stretch | 630.68 | gas | LF | Li and Coxon, 1992 | |
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 1 | OH stretch | 3847 ± 10 | gas | LF | Jarman and Bernath, 1992 | |
Π | 2 | Bend | 352.93 | gas | LF | Coxon, Li, et al., 1992 Jarman and Bernath, 1992 Coxon, Li, et al., 1994 Li and Coxon, 1995 | |
Σ+ | 3 | CaO stretch | 609.02 | gas | LF | Hilborn, Qingshi, et al., 1983 Coxon, Li, et al., 1992 | |
Additional references: Jacox, 1994, page 27; Jacox, 1998, page 139; James and Sugden, 1955; Hailey, Jarman, et al., 1991; Ziurys, Barclay, et al., 1992; Scurlock, Fletcher, et al., 1993; Nuccio, Apponi, et al., 1995
Notes
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, 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.
Hailey, Jarman, et al., 1997
Hailey, R.A.; Jarman, C.; Bernath, P.F.,
Optical--optical double resonance spectroscopy: The G [sup 2]Π state of CaOH and CaOD,
J. Chem. Phys., 1997, 107, 2, 669, https://doi.org/10.1063/1.474428
. [all data]
Pereira and Levy, 1996
Pereira, R.; Levy, D.H.,
Observation and spectroscopy of high-lying states of the CaOH radical: Evidence for a bent, covalent state,
J. Chem. Phys., 1996, 105, 22, 9733, https://doi.org/10.1063/1.472844
. [all data]
Dick, Sheridan, et al., 2006
Dick, M.J.; Sheridan, P.M.; Wang, J.-G.; Yu, S.; Bernath, P.F.,
Optical--optical double resonance spectroscopy of the transition of CaOH,
J. Mol. Spectrosc., 2006, 240, 2, 238, https://doi.org/10.1016/j.jms.2006.10.009
. [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]
Jakubek and Field, 1993
Jakubek, Z.J.; Field, R.W.,
Comment on: 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., 1993, 98, 8, 6574, https://doi.org/10.1063/1.464801
. [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]
Bernath and Kinsey-Nielsen, 1984
Bernath, P.F.; Kinsey-Nielsen, S.,
Dye laser spectroscopy of the B2 Σ+ -X2Σ+ transition of CaOH,
Chem. Phys. Lett., 1984, 105, 6, 663, https://doi.org/10.1016/0009-2614(84)85678-X
. [all data]
Bernath and Brazier, 1985
Bernath, P.F.; Brazier, C.R.,
Spectroscopy of CaOH,
Astrophys. J., 1985, 288, 373, https://doi.org/10.1086/162800
. [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]
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]
Hilborn, Qingshi, et al., 1983
Hilborn, R.C.; Qingshi, Z.; Harris, D.O.,
Laser spectroscopy of the A-X transitions of CaOH and CaOD,
J. Mol. Spectrosc., 1983, 97, 1, 73, https://doi.org/10.1016/0022-2852(83)90338-7
. [all data]
Coxon, Li, et al., 1991
Coxon, J.A.; Li, M.; Presunka, P.I.,
Laser fluorescence excitation spectroscopy of CaOH and CaOD: The A2Π-X2Σ+ (100)-(000) band system and the (100)-(020) Fermi resonance,
J. Mol. Spectrosc., 1991, 150, 1, 33, https://doi.org/10.1016/0022-2852(91)90191-C
. [all data]
Li and Coxon, 1992
Li, M.; Coxon, J.A.,
Laser spectroscopy of the CaOH A 2Π--X 2Σ+ (020)--(000) band: Deperturbation of the Fermi resonance, Renner--Teller, and spin--orbit interactions,
J. Chem. Phys., 1992, 97, 12, 8961, https://doi.org/10.1063/1.463322
. [all data]
Coxon, Li, et al., 1994
Coxon, J.A.; Li, M.; Presunka, P.I.,
Laser Spectroscopy of the (010)2Σ(+), 2Σ(-)-(000)2Σ+ Parallel Bands in the Ã2Π-X2Σ+ System of CaOH,
J. Mol. Spectrosc., 1994, 164, 1, 118, https://doi.org/10.1006/jmsp.1994.1060
. [all data]
Li and Coxon, 1994
Li, M.; Coxon, J.A.,
High-resolution spectroscopy of the (000)--(000) band of the CaOD radical,
Can. J. Phys., 1994, 72, 11-12, 1200, https://doi.org/10.1139/p94-154
. [all data]
Li and Coxon, 1996
Li, M.; Coxon, J.A.,
Dye laser excitation studies of the A 2Π(100)/(020)--X 2Σ+(020)/(000) bands of CaOD: Analysis of the A 2Π(100)«tilde»(020) Fermi resonance,
J. Chem. Phys., 1996, 104, 13, 4961, https://doi.org/10.1063/1.471762
. [all data]
Li and Coxon, 1995
Li, M.; Coxon, J.A.,
High-resolution analysis of the fundamental bending vibrations in the A 2Π and X 2Σ+ states of CaOH and CaOD: Deperturbation of Renner--Teller, spin--orbit and K-type resonance interactions,
J. Chem. Phys., 1995, 102, 7, 2663, https://doi.org/10.1063/1.468643
. [all data]
Coxon, Li, et al., 1992
Coxon, J.A.; Li, M.; Presunka, P.I.,
Investigation of excited vibrational levels in the,
Mol. Phys., 1992, 76, 6, 1463, https://doi.org/10.1080/00268979200102231
. [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]
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]
Hailey, Jarman, et al., 1991
Hailey, R.A.; Jarman, C.N.; Fernando, W.T.M.L.; Bernath, P.F.,
The transition of CaOD,
J. Mol. Spectrosc., 1991, 147, 1, 40, https://doi.org/10.1016/0022-2852(91)90166-8
. [all data]
Ziurys, Barclay, et al., 1992
Ziurys, L.M.; Barclay, W.L., Jr.; Anderson, M.A.,
The millimeter-wave spectrum of the CaOH radical (X 2 Sigma(+)),
Astrophys. J., 1992, 384, L64, https://doi.org/10.1086/186262
. [all data]
Scurlock, Fletcher, et al., 1993
Scurlock, C.T.; Fletcher, D.A.; Steimle, T.C.,
Hyperfine Structure in the (0,0,0) X2Σ+ State of CaOH Observed by Pump/Probe Microwave-Optical Double Resonance,
J. Mol. Spectrosc., 1993, 159, 2, 350, https://doi.org/10.1006/jmsp.1993.1133
. [all data]
Nuccio, Apponi, et al., 1995
Nuccio, B.P.; Apponi, A.J.; Ziurys, L.M.,
Millimeter-wave rotational spectroscopy of MgOD and CaOD (X 2Σ+),
J. Chem. Phys., 1995, 103, 21, 9193, https://doi.org/10.1063/1.470030
. [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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