Tantalum cation

• Formula: Ta⁺
• Molecular weight: 180.94733
• CAS Registry Number: 20561-66-4
• Information on this page:
  • Gas phase thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
• Options:
  • Switch to calorie-based units

Gas phase thermochemistry data

Go To: Top, 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.

Ion clustering data

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: 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

Ta⁺ +  = (Ta⁺ • )

By formula: Ta⁺ + Ta = (Ta⁺ • Ta)

Enthalpy of reaction

(Ta⁺ • ) +  = (Ta⁺ • 2)

By formula: (Ta⁺ • Ta) + Ta = (Ta⁺ • 2Ta)

Enthalpy of reaction

(Ta⁺ • 2) +  = (Ta⁺ • 3)

By formula: (Ta⁺ • 2Ta) + Ta = (Ta⁺ • 3Ta)

Enthalpy of reaction

References

Go To: Top, Gas phase thermochemistry 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.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Armentrout and Kickel, 1994
Armentrout, P.B.; Kickel, B.L., Gas Phase Thermochemistry of Transition Metal Ligand Systems: Reassessment of Values and Periodic Trends, in Organometallic Ion Chemistry, B. S. Freiser, ed, 1994. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Ion clustering data, References

• Symbols used in this document:
  

  S°gas,1 bar	Entropy of gas at standard conditions (1 bar)
  T	Temperature
  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.