Iodine monochloride
- Formula: ClI
- Molecular weight: 162.357
- IUPAC Standard InChI: InChI=1S/ClI/c1-2
- IUPAC Standard InChIKey: QZRGKCOWNLSUDK-UHFFFAOYSA-N
- CAS Registry Number: 7790-99-0
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry 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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 4.185 | kcal/mol | Review | Chase, 1998 | Data last reviewed in September, 1965 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 59.168 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1965 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
View plot Requires a JavaScript / HTML 5 canvas capable browser.
| Temperature (K) | 1000. - 6000. |
|---|---|
| A | 8.909231 |
| B | 0.134818 |
| C | -0.007694 |
| D | 0.000657 |
| E | -0.040741 |
| F | 1.385170 |
| G | 69.68131 |
| H | 4.184040 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1965 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry 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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -5.719 | kcal/mol | Review | Chase, 1998 | Data last reviewed in September, 1965 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 32.545 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1965 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | -8.466 | kcal/mol | Review | Chase, 1998 | Data last reviewed in September, 1965 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 23.40 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in September, 1965 |
Liquid Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
View plot Requires a JavaScript / HTML 5 canvas capable browser.
| Temperature (K) | 301. - 1000. |
|---|---|
| A | 27.50000 |
| B | -9.999929 |
| C | -0.000074 |
| D | 0.000027 |
| E | 8.828705×10-7 |
| F | -13.45994 |
| G | 68.84728 |
| H | -5.719169 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1965 |
Solid Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
View plot Requires a JavaScript / HTML 5 canvas capable browser.
| Temperature (K) | 298. - 300.53 |
|---|---|
| A | 10.01250 |
| B | 12.56828 |
| C | -2.830713 |
| D | -0.847082 |
| E | -0.023776 |
| F | -12.06336 |
| G | 31.77199 |
| H | -8.465990 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1965 |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase 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 compiled as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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: F- + ClI = (F- • ClI)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 94.40 | kcal/mol | Ther | Finch, Gates, et al., 1977 | gas phase; This value is far more strongly bound than expected from other X3- data; B |
| ΔrH° | 43.30 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeH2-(q); ; ΔS(EA)=8.2; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 33.00 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeH2-(q); ; ΔS(EA)=8.2; B |
+
=
+
By formula: I2 + CClF3 = CF3I + ClI
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 17.27 ± 0.26 | kcal/mol | Eqk | Lord, Goy, et al., 1967 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 17.10 ± 0.17 kcal/mol; ALS |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Finch, Gates, et al., 1977
Finch, A.; Gates, P.N.; Peake, S.J.,
Thermochemistry of polyhalides. III. Cesium and rubidium tetrachloroiodates,
J. Inorg. Nucl. Chem., 1977, 39, 2135. [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]
Lord, Goy, et al., 1967
Lord, A.; Goy, C.A.; Pritchard, H.O.,
The heats of formation of trifluoromethyl chloride and bromide,
J. Phys. Chem., 1967, 71, 2705-2707. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions 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.