## Abstract

Cesium atoms solvated with polar solvents, Cs(H_{2}O)_{n}, Cs(NH_{3})_{n} and Cs(CH_{3}CN)_{n}, are studied by one-photon ionization and time-of-flight mass spectroscopy. The ionization potentials of Cs(H_{2}O)_{n} and Cs(CH_{3}CN)_{n} are found to be constant for n ≥ 4 (3.1 eV) and n ≥ 12 (2.4 eV), respectively, while that for Cs(NH_{3})_{n} decreases monotonically with increasing n to a limit of 1.4 eV, which coincides with the bulk value. Enhanced stability at n = 20 is also observed for the Cs(H_{2}O)_{n} clusters. These features are discussed in connection with the stability of the excess electrons in these solvents.

Original language | English |
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Pages (from-to) | 241-246 |

Number of pages | 6 |

Journal | Chemical Physics Letters |

Volume | 188 |

Issue number | 3-4 |

DOIs | |

Publication status | Published - 1992 Jan 10 |

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