TY - GEN AU - DeFrees,D J AU - McLean,A D TI - Molecular orbital predictions of the vibrational frequencies of some molecular ions SN - 0021-9606 PY - 1999///0909 KW - Astronomical Phenomena KW - Astronomy KW - Cations KW - Extraterrestrial Environment KW - Models, Molecular KW - Rotation KW - Software KW - Spectrophotometry, Infrared KW - Vibration N1 - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1063/1.448805 ER -