mercury
- Formula: Hg
- Molecular weight: 200.59
- IUPAC Standard InChIKey: QSHDDOUJBYECFT-UHFFFAOYSA-N
- CAS Registry Number: 7439-97-6
- 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:
- Data at other public NIST sites:
- NIST Atomic Spectra Database - Lines Holdings (on physics web site)
- NIST Atomic Spectra Database - Levels Holdings (on physics web site)
- NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change data
Go To: Top, Gas phase ion energetics data, Ion clustering 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 |
---|---|---|---|---|---|
Tboil | 629.81 | K | N/A | Marsh, 1987 | Uncertainty assigned by TRC = 0.01 K; recommended as fixed point for thermometry; TRC |
Tboil | 629.7 | K | N/A | Honig and Kramer, 1969 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 234.3 | K | N/A | Anonymous, 1988 | Uncertainty assigned by TRC = 0.005 K; nominal value, from the catalog; TRC |
Tfus | 234.31 | K | N/A | Marsh, 1987 | Uncertainty assigned by TRC = 0.005 K; TRC |
Tfus | 234.5 | K | N/A | Timmermans, 1911 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 234.3 | K | N/A | Marsh, 1987 | Uncertainty assigned by TRC = 0.003 K; values recommended as calibration standard; TRC |
Ttriple | 234.29 | K | N/A | Honig and Kramer, 1969 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 0. | K | N/A | Menzies, 1913 | based on his observations, author doubts that Tc observed by Koninsberger (1913-170), 1275 deg C is correct; 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 |
---|---|---|---|---|---|
298.14 to 749.99 | 4.85196 | 3007.129 | -10.001 | Hicks, 1963 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics data
Go To: Top, Phase change data, Ion clustering 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:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to Hg+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.43750 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.43750 | EVAL | Lide, 1992 | LL |
10.43 ± 0.08 | EI | Hoareau, Cabaud, et al., 1981 | LLK |
10.47 ± 0.05 | EI | Cabaud, Hoareau, et al., 1972 | LLK |
10.4 | PE | Blake, 1971 | LLK |
10.43750 | S | Moore, 1970 | RDSH |
10.487 ± 0.005 | CI | Hotop and Niehaus, 1969 | RDSH |
10.443 ± 0.009 | PE | Frost, McDowell, et al., 1967 | RDSH |
14.8396 ± 0.0004 | S | Beutler, 1933 | RDSH |
Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: Hg+ + Hg = (Hg+ • Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32. | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 4Hg) + Hg = (Hg+ • 5Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.6 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase |
By formula: (Hg+ • 5Hg) + Hg = (Hg+ • 6Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.3 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 6Hg) + Hg = (Hg+ • 7Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.8 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 7Hg) + Hg = (Hg+ • 8Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.8 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 8Hg) + Hg = (Hg+ • 9Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.8 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 9Hg) + Hg = (Hg+ • 10Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.8 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 10Hg) + Hg = (Hg+ • 11Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.3 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 11Hg) + Hg = (Hg+ • 12Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.2 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 12Hg) + Hg = (Hg+ • 13Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.5 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 13Hg) + Hg = (Hg+ • 14Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.7 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 14Hg) + Hg = (Hg+ • 15Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.9 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 15Hg) + Hg = (Hg+ • 16Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.1 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 16Hg) + Hg = (Hg+ • 17Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.8 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 17Hg) + Hg = (Hg+ • 18Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.3 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 18Hg) + Hg = (Hg+ • 19Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.8 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 19Hg) + Hg = (Hg+ • 20Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.7 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 20Hg) + Hg = (Hg+ • 21Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.2 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 21Hg) + Hg = (Hg+ • 22Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.6 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 22Hg) + Hg = (Hg+ • 23Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.1 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
By formula: (Hg+ • 23Hg) + Hg = (Hg+ • 24Hg)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.3 | kcal/mol | EI | Haberland, Kornmeier, et al., 1990 | gas phase; from graph |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Marsh, 1987
Marsh, K.N.,
Recommended Reference Materials for the Realization of Physicochemical Properties, Blackwell Sci. Pub., Oxford, 1987. [all data]
Honig and Kramer, 1969
Honig, R.E.; Kramer, D.A.,
Vapor pressure data for the solid and liquid elements,
RCA Rev., 1969, 1969, 285. [all data]
Anonymous, 1988
Anonymous, X.,
, NBS Spec. Publ. (U. S.) 260, 1988. [all data]
Timmermans, 1911
Timmermans, J.,
Researches on the freezing point of organic liquid compounds,
Bull. Soc. Chim. Belg., 1911, 25, 300. [all data]
Menzies, 1913
Menzies, A.W.C.,
The Critical Temperature of Mercury,
J. Am. Chem. Soc., 1913, 35, 1065. [all data]
Hicks, 1963
Hicks, W.T.,
Evaluation of Vapor-Pressure Data of Mercury, Lithium, Sodium, and Potassium,
J. Chem. Phys., 1963, 38, 8, 1873-1880, https://doi.org/10.1063/1.1733889
. [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]
Hoareau, Cabaud, et al., 1981
Hoareau, A.; Cabaud, B.; Melinon, P.,
Time-of-flight mass spectroscopy of supersonic beam of metallic vapours: Intensities and appearance potentials of Mx aggregates,
Surf. Sci., 1981, 106, 195. [all data]
Cabaud, Hoareau, et al., 1972
Cabaud, B.; Hoareau, A.; Nounou, P.; Uzan, R.,
Etude des processus d'ionisation a haute temperature des vapeurs metalliques par couplage d'une cellule de knudsen et d'une source fox. II. Interpretation des processus d'autoionisation des vapeurs metalliques monoatomiques et influence delatemperature sur les courbes d'efficacite d'ionisation.,
Int. J. Mass Spectrom. Ion Phys., 1972, 8, 181. [all data]
Blake, 1971
Blake, A.J.,
Photoionization study of mercury by photoelectron spectroscopy,
Proc. R. Soc. London A:, 1971, 325, 555. [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]
Hotop and Niehaus, 1969
Hotop, H.; Niehaus, A.,
Reactions of excited atoms molecules with atoms and molecules. II. Energy analysis of penning electrons,
Z. Phys., 1969, 228, 68. [all data]
Frost, McDowell, et al., 1967
Frost, D.C.; McDowell, C.A.; Vroom, D.A.,
Ionization potentials of mercury by photoetectron spectrometry,
Chem. Phys. Lett., 1967, 1, 93. [all data]
Beutler, 1933
Beutler, H.,
Uber Absorptionsspektren aus der Anregung innerer Elektronen. II.Das Quecksilberspektrum zwischen 1190 und 600 A aus der Anregung der (5 d)1O-Schale (Hg 1b),
Z. Physik, 1933, 86, 710. [all data]
Haberland, Kornmeier, et al., 1990
Haberland, H.; Kornmeier, H.; Langosh, H.; Oschwald, M.; Tanner, G.,
Experimental Study of the Transition from van der Waals, over Covalent to Metallic Bonding in Mercury Clusters,
J. Chem. Soc. Faraday Trans., 1990, 86, 13, 2473, https://doi.org/10.1039/ft9908602473
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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