aesCoeff: Coefficients for Partition Function Models.
In dtharvey/atomicEmission: Simulation of Atomic Emission Spectra

Coefficients for the Irwin, deGalan, and Tamaki models for predicting an element's temperature-dependent partition function.

aesCoeff

A data frame with 46 observations of 18 variables:

element: name of element
symbol: element's atomic symbol
at_no: element's atomic number
deGalan_a: first coefficient of deGalan model
deGalan_b: second coefficient of deGalan model
deGalan_c: third coefficient of deGalan model
deGalan_d: fourth coefficient of deGalan model
deGalan_e: fifth coefficient of deGalan model
deGalan_f: sixth coefficient of deGalan model
tamaki_a: first coefficient of Tamaki model
tamaki_b: second coefficient of Tamaki model
tamaki_c: third coefficient of Tamaki model
irwin_a0: first coefficient of Irwin model
irwin_a1: second coefficient of Irwin model
irwin_a2: third coefficient of Irwin model
irwin_a3: fourth coefficient of Irwin model
irwin_a4: fifth coefficient of Irwin model
irwin_a5: sixth coefficient of Irwin model

Coefficients are adapted from the following sources: deGalan, L.; Smith, R.; Winefordner, J. D. "The Electronic Partition Functions of Atoms and Ions Between 1500 K and 7000 K" Spectrochemica Acta, 1968, 23B, 521-525; Tamaki, S.; Kuroda, T. "The Electronic Partition Functions of Atoms and Ions Between 7000 K and 12000 K" Spectrochimca Acta 1987, 42B, 1105-1111; Irwin, A. W. "Polynomial Partition Function Approximations of 344 Atomic and Molecular Species" The Astrophysical Journal Supplement Series, 1981, 45, 621-633.