Gaseous Electronics

21

HYDROGEN FLUORIDE

CONTENTS

21.1 Selected References for Data

21.2 Ro-Vibrational Excitation Cross Section

21.3 Attachment Processes

21.4 Attachment Rate Constant

References

 

Hydrogen fluoride (HF) is a polar, electron-attaching molecule with 10 electrons. It has electronic polarizability of 0.89 × 10⁻⁴⁰ F m², dipole moment of 1.826 D, and ionization potential of 16.04 eV. The energy for the fundamental vibrational mode is 513.1 meV.

21.1 SELECTED REFERENCES FOR DATA

Table 21.1 shows the selected references for data on HF.

21.2 RO-VIBRATIONAL EXCITATION CROSS SECTION

The rotational constant for HF molecule is very low, 2.6 meV, and the energy for the first rotational excitation is 5.2 meV. Knoth et al. (1989) have measured ...