Boron trichloride
- Formula: BCl3
- Molecular weight: 117.170
- IUPAC Standard InChIKey: FAQYAMRNWDIXMY-UHFFFAOYSA-N
- CAS Registry Number: 10294-34-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Borane, trichloro-; Boron chloride (BCl3); Trichloroborane; Trichloroboron; BCl3; Boron chloride; Chlorure de bore; UN 1741; Trona boron trichloride
- 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:
- 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 by: John E. Bartmess
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- + BCl3 = (F- • BCl3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >360. ± 42. | kJ/mol | IMRB | Haartz and McDaniel, 1973 | gas phase; Greater than PF5 ( Larson and McMahon, 1985) |
ΔrH° | >169.5 | kJ/mol | Ther | Stockdale, Nelson, et al., 1972 | gas phase; Fluoride Affinity: > SF5; new value of latter from Grimsrud, Chowdhury, et al., 1985 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | >310. ± 42. | kJ/mol | IMRB | Haartz and McDaniel, 1973 | gas phase; Greater than PF5 ( Larson and McMahon, 1985) |
By formula: Cl- + BCl3 = (Cl- • BCl3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 289. ± 8.4 | kJ/mol | Ther | Krivtsov, Titova, et al., 1977 | gas phase; Halide affinities from this reference are too high. G3MP2B3 calculations indicate an dHaff ca. 46 kcal/mol; value altered from reference due to conversion from electron convention to ion convention |
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.
Haartz and McDaniel, 1973
Haartz, J.C.; McDaniel, D.H.,
Fluoride ion affinity of some lewis acids,
J. Am. Chem. Soc., 1973, 95, 8562. [all data]
Larson and McMahon, 1985
Larson, J.W.; McMahon, T.B.,
Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria,
J. Am. Chem. Soc., 1985, 107, 766. [all data]
Stockdale, Nelson, et al., 1972
Stockdale, J.A.D.; Nelson, D.R.; Davis, F.J.; Compton, R.N.,
Studies of electron impact excitation, negative ion formation, and negative ion-molecule reactions in boron trifluoride and boron trichloride,
J. Chem. Phys., 1972, 56, 3336. [all data]
Grimsrud, Chowdhury, et al., 1985
Grimsrud, E.P.; Chowdhury, S.; Kebarle, P.,
Electron affinity of SF6 and perfluoromethylcyclohexane. The unusual kinetics of electron transfer reactions A- + B- + A, where A = SF6 or perfluorinated cycloalkanes,
J. Chem. Phys., 1985, 83, 1059. [all data]
Krivtsov, Titova, et al., 1977
Krivtsov, N.V.; Titova, K.V.; Rosolovskii, V.Ya.,
Thermochemical study of complex borates,
Russ. J. Inorg. Chem., 1977, 22, 374. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
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.