Chlorine atom
- Formula: Cl
- Molecular weight: 35.453
- IUPAC Standard InChIKey: ZAMOUSCENKQFHK-UHFFFAOYSA-N
- CAS Registry Number: 22537-15-1
- 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)
- Computational Chemistry Comparison and Benchmark Database
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
- 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.
Reaction thermochemistry data
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 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
(CAS Reg. No. 12599-09-6 • 4294967295) + = CAS Reg. No. 12599-09-6
By formula: (CAS Reg. No. 12599-09-6 • 4294967295Cl) + Cl = CAS Reg. No. 12599-09-6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 41.1 ± 1.7 | kcal/mol | CIDT | Lobring, Check, et al., 2005 | gas phase; Affinity is Cl.. POCl2-; B |
CAS Reg. No. 666718-71-4 + = Cl2PS-
By formula: CAS Reg. No. 666718-71-4 + Cl = Cl2PS-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 44.5 ± 1.4 | kcal/mol | CIDT | Lobring, Check, et al., 2005 | gas phase; Affinity is Cl.. ClPS-; B |
By formula: C2H4ClI = I + Cl + C2H4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 76.5 ± 1.0 | kcal/mol | Kin | Minton, Felder, et al., 1984 | gas phase; ALS |
By formula: C4BrClO4Re + Cl = C4BrClO4Re-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >79.20 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
C4ClO4Re + = C4Cl2O4Re-
By formula: C4ClO4Re + Cl = C4Cl2O4Re-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >79.20 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
C4BrIMnO4 + = C4BrClMnO4-
By formula: C4BrIMnO4 + Cl = C4BrClMnO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >70.30 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
C4ClIMnO4 + = C4Cl2MnO4-
By formula: C4ClIMnO4 + Cl = C4Cl2MnO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >70.30 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
C6H5O3Re + = C6H5ClO3Re-
By formula: C6H5O3Re + Cl = C6H5ClO3Re-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >82.80 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
CAS Reg. No. 121175-69-7 + = C6H5ClMnO3-
By formula: CAS Reg. No. 121175-69-7 + Cl = C6H5ClMnO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >70.30 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
By formula: C5CrO5- + Cl = C5ClCrO5-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >79.20 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
By formula: C3NiO3- + Cl = C3ClNiO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >79.20 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
By formula: C4FeO4- + Cl = C4ClFeO4-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >70.30 | kcal/mol | IMRB | Jones, McDonald, et al., 1989 | gas phase; B |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lobring, Check, et al., 2005
Lobring, K.C.; Check, C.E.; Boggs, M.L.; Keating, P.R.; Sunderlin, L.S.,
Bond strengths in POCl3-, POCl2-, and PSCl2-,
Int. J. Mass Spectrom., 2005, 241, 1, 75-81, https://doi.org/10.1016/j.ijms.2004.10.023
. [all data]
Minton, Felder, et al., 1984
Minton, T.K.; Felder, P.; Brudzynski, R.J.; Lee, Y.T.,
Photodissociation of 1,2-chloroiodoethane at 248 and 266 nm: The enthalpy of formation of CH2ClCH2I,
J. Chem. Phys., 1984, 81, 1759-1769. [all data]
Jones, McDonald, et al., 1989
Jones, M.T.; McDonald, R.N.; Schell, P.L.; Ali, M.H.,
Kinetics and Mechanism of Halogen Atom Transfer Reactions between Haloalkanes and Several 17-Electron Transition Metal Complex Negative Ions in the Gas Phase,
J. Am. Chem. Soc., 1989, 111, 16, 5983, https://doi.org/10.1021/ja00198a001
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
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.