neon
- Formula: Ne
- Molecular weight: 20.1797
- IUPAC Standard InChIKey: GKAOGPIIYCISHV-UHFFFAOYSA-N
- CAS Registry Number: 7440-01-9
- Chemical structure:
This structure is also available as a 2d Mol file - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
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- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change data
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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 24.56 | K | N/A | Ancsin, 1978 | Uncertainty assigned by TRC = 0.001 K; TRC |
Ttriple | 24.56 | K | N/A | Henning and Otto, 1936 | Uncertainty assigned by TRC = 0.05 K; temperature measured with He gas thermometer; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ptriple | 0.4280 | atm | N/A | Ancsin, 1978 | Uncertainty assigned by TRC = 0.000015 atm; TRC |
Ptriple | 0.427 | atm | N/A | Henning and Otto, 1936 | Uncertainty assigned by TRC = 0.0027 atm; TRC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
15.9 to 27. | 3.75070 | 95.599 | -1.503 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Reaction thermochemistry data
Go To: Top, Phase change 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
By formula: (Co+ • Ne) + Ne = (Co+ • 2Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.0 ± 0.1 | kcal/mol | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH90 K) = 1.95 kcal/mol, ΔrS(100 K) = 12.5 cal/mol*K |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 11.6 | cal/mol*K | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH90 K) = 1.95 kcal/mol, ΔrS(100 K) = 12.5 cal/mol*K |
By formula: (Cr+ • Ne) + Ne = (Cr+ • 2Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.9 ± 0.1 | kcal/mol | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 0.90 kcal/mol, ΔrS(100 K) = 6.8 cal/mol*K |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 5.7 | cal/mol*K | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 0.90 kcal/mol, ΔrS(100 K) = 6.8 cal/mol*K |
By formula: Ni+ + Ne = (Ni+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.8 ± 0.1 | kcal/mol | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 2.37 kcal/mol, ΔrS(100 K) = 14.2 cal/mol*K |
Enthalpy of reaction
ΔrH° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
0.7 (+0.2,-0.) | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrS(300K), ΔrS(100) K = 11.9 cal/mol*K, (Ni+)* |
By formula: Cr+ + Ne = (Cr+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.6 ± 0.1 | kcal/mol | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 1.38 kcal/mol, ΔrS(100 K) = 13.3 cal/mol*K |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 14.6 | cal/mol*K | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 1.38 kcal/mol, ΔrS(100 K) = 13.3 cal/mol*K |
By formula: Co+ + Ne = (Co+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.5 ± 0.1 | kcal/mol | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 2.18 kcal/mol, ΔrS(100 K) = 14.0 cal/mol*K |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 15.4 | cal/mol*K | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 2.18 kcal/mol, ΔrS(100 K) = 14.0 cal/mol*K |
By formula: (Ni+ • Ne) + Ne = (Ni+ • 2Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.3 ± 0.2 | kcal/mol | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 2.16, ΔrS(100 K) = 13.7 cal/mol*K |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 12.8 | cal/mol*K | SIDT | Kemper, Hsu, et al., 1991 | gas phase; ΔrH(0 K) = 2.16, ΔrS(100 K) = 13.7 cal/mol*K |
By formula: K+ + Ne = (K+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.09 | kcal/mol | SCATTERING | Gislason, 1984 | gas phase |
ΔrH° | 0.92 | kcal/mol | IMob | Viehland, 1984 | gas phase |
ΔrH° | 0.95 | kcal/mol | IMob | Takebe, 1983 | gas phase |
ΔrH° | 0.99 | kcal/mol | IMob | Robson and Kumar, 1973 | gas phase |
By formula: Li+ + Ne = (Li+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.63 | kcal/mol | SCATTERING | Gislason, 1984 | gas phase |
ΔrH° | 2.84 | kcal/mol | IMob | Viehland, 1984 | gas phase |
ΔrH° | 3.34 | kcal/mol | IMob | Takebe, 1983 | gas phase |
By formula: Na+ + Ne = (Na+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.76 | kcal/mol | SCATTERING | Gislason, 1984 | gas phase |
ΔrH° | 1.52 | kcal/mol | IMob | Viehland, 1984 | gas phase |
ΔrH° | 1.45 | kcal/mol | IMob | Takebe, 1983 | gas phase |
By formula: Cs+ + Ne = (Cs+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.56 | kcal/mol | SCATTERING | Gislason, 1984 | gas phase |
ΔrH° | 0.65 | kcal/mol | IMob | Takebe, 1983 | gas phase; values from this reference are too high |
By formula: (Ne+ • 2Ne) + Ne = (Ne+ • 3Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.47 ± 0.15 | kcal/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.7 | cal/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Ne+ • 3Ne) + Ne = (Ne+ • 4Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.79 ± 0.15 | kcal/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 12.7 | cal/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Ne+ • 4Ne) + Ne = (Ne+ • 5Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.77 ± 0.15 | kcal/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 13.4 | cal/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Ne+ • 5Ne) + Ne = (Ne+ • 6Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.76 ± 0.15 | kcal/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 13.8 | cal/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Ne+ • 6Ne) + Ne = (Ne+ • 7Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.72 ± 0.15 | kcal/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 14.2 | cal/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Ne+ • 7Ne) + Ne = (Ne+ • 8Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.67 ± 0.15 | kcal/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 14.9 | cal/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: (Ne+ • 8Ne) + Ne = (Ne+ • 9Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.62 ± 0.15 | kcal/mol | PHPMS | Hiraoka and Mori, 1990 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 15.3 | cal/mol*K | PHPMS | Hiraoka and Mori, 1990 | gas phase |
By formula: Ne+ + Ne = (Ne+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31.4 | kcal/mol | PI | Dehmer and Pratt, 1982 | gas phase |
ΔrH° | 30.0 | kcal/mol | SCATTERING | Mittman and Weise, 1974 | gas phase |
By formula: Rb+ + Ne = (Rb+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.77 | kcal/mol | IMob | Viehland, 1984 | gas phase |
ΔrH° | 0.78 | kcal/mol | IMob | Takebe, 1983 | gas phase |
By formula: Kr+ + Ne = (Kr+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.27 | kcal/mol | PI | Dehmer and Pratt, 1982 | gas phase |
By formula: Xe+ + Ne = (Xe+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.95 | kcal/mol | PI | Dehmer and Pratt, 1982 | gas phase |
By formula: Ar+ + Ne = (Ar+ • Ne)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.8 | kcal/mol | PI | Dehmer and Pratt, 1982 | gas phase |
Gas phase ion energetics data
Go To: Top, Phase change data, Reaction thermochemistry data, 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
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
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 |
---|---|---|---|---|---|
IE (evaluated) | 21.56454 ± 0.00001 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 47.51 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 41.68 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
21.56454 | EVAL | Lide, 1992 | LL |
21.50 | EI | Wetzel, Baiocchi, et al., 1987 | LBLHLM |
21.565 | S | Kelly, 1987 | LBLHLM |
22.0 | PE | Debies and Rabalais, 1975 | LLK |
21.59 | PE | Banna and Shirley, 1975 | LLK |
21.56471 ± 0.00001 | S | Kaufman and Minnhagen, 1972 | LLK |
21.56454 | S | Moore, 1970 | RDSH |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ancsin, 1978
Ancsin, J.,
Vapor Pressure and Triple Point of Neon and the Influence of Impurities on these Propereties,
Metrologia, 1978, 14, 1, 1. [all data]
Henning and Otto, 1936
Henning, F.; Otto, J.,
Vapor pressure curves and triple points in the temperature region from 14 to 90 k,
Phys. Z., 1936, 37, 633-8. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Kemper, Hsu, et al., 1991
Kemper, P.R.; Hsu, M.T.; Bowers, M.T.,
Transition - Metal Ion - Rare Gas Clusters: Bond Strengths and Molecular Parameters for Co+(He/Ne)n, Ni+(He/Ne)n, and Cr+(He/Ne/Ar),
J. Phys. Chem., 1991, 95, 26, 10600, https://doi.org/10.1021/j100179a022
. [all data]
Gislason, 1984
Gislason, E.A.,
Quoted in I. R. Gatland in Swarms of Ions and Electrons in Gases, W. Lindinger, T. D. Mark and F. Howorka, eds. (Springer, New York, 1984, 1984, 44. [all data]
Viehland, 1984
Viehland, L.A.,
Interaction Potentials for Li+ - Rare - Gas Systems,
Chem. Phys., 1984, 78, 2, 279, https://doi.org/10.1016/0301-0104(83)85114-3
. [all data]
Takebe, 1983
Takebe, M.,
The Generalized Mobility Curve for Alkali Ions in Rare Gases: Clustering Reactions and Mobility Curves,
J. Chem. Phys., 1983, 78, 12, 7223, https://doi.org/10.1063/1.444763
. [all data]
Robson and Kumar, 1973
Robson, R.E.; Kumar, K.,
Mobility and Diffusion II. Dependence on Experimental Variables and Interaction Potential for Alkali Ions in Rare Gases,
Aust. J. Phys., 1973, 26, 2, 187, https://doi.org/10.1071/PH730187
. [all data]
Hiraoka and Mori, 1990
Hiraoka, K.; Mori, T.,
Stability of Rare - Gas Cluster Ions,
J. Chem. Phys., 1990, 92, 7, 4408, https://doi.org/10.1063/1.457751
. [all data]
Dehmer and Pratt, 1982
Dehmer, P.M.; Pratt, S.T.,
Photoionization of ArKr, ArXe, and KrXe and bond dissociation energies of the rare gas dimer ions,
J. Chem. Phys., 1982, 77, 4804. [all data]
Mittman and Weise, 1974
Mittman, H.U.; Weise, H.P.,
Scattering of Ions V. Elastic Scattering of the Symmetric Rare Gas Ion - Rare Gas Atom Systems,
Z. Naturforsch., 1974, A29, 400. [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]
Lide, 1992
Lide, D.R. (Editor),
Ionization potentials of atoms and atomic ions
in Handbook of Chem. and Phys., 1992, 10-211. [all data]
Wetzel, Baiocchi, et al., 1987
Wetzel, R.C.; Baiocchi, F.A.; Hayes, T.R.; Freund, R.S.,
Absolute cross sections for electron-impact ionization of the rare-gas atoms by the fast-neutral-beam method,
Phys. Rev. A, 1987, 35, 559. [all data]
Kelly, 1987
Kelly, R.L.,
Atomic and ionic spectrum lines of hydrogen through kryton,
J. Phys. Chem. Ref. Data, 1987, 16. [all data]
Debies and Rabalais, 1975
Debies, T.P.; Rabalais, J.W.,
Calculated photoionization cross-sections and angular distributions for the isoelectronic series Ne, HF, H2O, NH3, and CH4,
J. Am. Chem. Soc., 1975, 97, 487. [all data]
Banna and Shirley, 1975
Banna, M.S.; Shirley, D.A.,
Molecular photoelectron spectroscopy at 132.3 eV. The second-row hydrides,
J. Chem. Phys., 1975, 63, 4759. [all data]
Kaufman and Minnhagen, 1972
Kaufman, V.; Minnhagen, L.,
Accurate ground-term combinations in NeI,
J. Opt. Soc. Am., 1972, 62, 92. [all data]
Moore, 1970
Moore, C.E.,
Ionization potentials and ionization limits derived from the analyses of optical spectra,
Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy Ptriple Triple point pressure T Temperature Ttriple Triple point temperature ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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