Calcium monochloride

• Formula: CaCl
• Molecular weight: 75.531
• IUPAC Standard InChI: InChI=1S/Ca.ClH/h;1H/q+1;/p-1 Copy

  
• IUPAC Standard InChIKey: WGPMOVAPQPJDDK-UHFFFAOYSA-M Copy
• CAS Registry Number: 15606-71-0
• 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.
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Constants of diatomic molecules
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
• Data at other public NIST sites:
  • Microwave spectra (on physics lab web site)
  • Gas Phase Kinetics Database
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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, Constants of diatomic molecules, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Gas Phase Heat Capacity (Shomate Equation)

C_p° = 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
    C_p = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

View table.

Constants of diatomic molecules

Go To: Top, Gas 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 by: Klaus P. Huber and Gerhard H. Herzberg

Data collected through July, 1976

Notes

References

Go To: Top, Gas phase thermochemistry data, Constants of diatomic molecules, 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]

Schutte, 1954
Schutte, M.B., Uber das Bandenspektrum des Calciumchlorids, Z. Naturforsch. A, 1954, 9, 891. [all data]

Khanna and Dubey, 1973
Khanna, L.K.; Dubey, V.S., An inter-combination system in the emission spectrum of CaCl molecule due to E²Σ-B²Σ transition, Indian J. Pure Appl. Phys., 1973, 11, 510. [all data]

Harrington, 1942
Harrington, Dissertation, University of California, California, 1942, 0. [all data]

Walters and Barratt, 1928
Walters, O.H.; Barratt, S., The alkaline earth halide spectra and their origin, Proc. R. Soc. London A, 1928, 118, 120. [all data]

Parker, 1935
Parker, A.E., Band systems of MgCl, CaCl, and SrCl, Phys. Rev., 1935, 47, 349. [all data]

Morgan and Barrow, 1960
Morgan, E.; Barrow, R.F., Rotational analysis of the C²Π - X²Σ⁺ system of CaCl, Nature (London), 1960, 185, 754. [all data]

Asundi, 1935
Asundi, R.K., The band systems and structure of CaCl, Proc. Indian Acad. Sci. Sect. A, 1935, 1, 830. [all data]

Dagdigian, Cruse, et al., 1974
Dagdigian, P.J.; Cruse, H.W.; Zare, R.N., Radiative lifetimes of the alkaline earth monohalides, J. Chem. Phys., 1974, 60, 2330. [all data]

Hellwege, 1936
Hellwege, K.-H., Zur kenntnis der bandenspektren von CaF und CaCl, Z. Phys., 1936, 100, 644. [all data]

Zmbov, 1969
Zmbov, K.F., Mass spectrometric determination of the dissociation energies of calcium and barium chlorides, Chem. Phys. Lett., 1969, 4, 191. [all data]

Hildenbrand, 1970
Hildenbrand, D.L., Dissociation energies and chemical bonding in the alkaline-earth chlorides from mass spectrometric studies, J. Chem. Phys., 1970, 52, 5751. [all data]

Gurvich, Ryabova, et al., 1973
Gurvich, L.V.; Ryabova, V.G.; Khitrov, A.N., Determination of dissociation energies of alkaline-earth chlorides, bromides and hydroxides by flame photometry, Faraday Symp. Chem. Soc., 1973, 8, 83. [all data]

Ryabova, Khitrov, et al., 1972
Ryabova, V.G.; Khitrov, A.N.; Gurvich, L.V., Spectrophotometric determination of the dissociation energies of molecules. III. CaCl, CaCl₂, CaOH, CaOHCl, BaCl, BaCl₂, BaOH, BaOHCl, High Temp. Engl. Transl., 1972, 10, 669, In original 744. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Constants of diatomic molecules, References

• Symbols used in this document:
  

  S°gas,1 bar	Entropy of gas at standard conditions (1 bar)
  ΔfH°gas	Enthalpy of formation of gas 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.