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The structural relaxation spectra of (Pd0.6Ni0.4) 0.80P0.20 and Pd0.775Cu0.06Si0.165 metallic glasses have been obtained with a differential scanning calorimeter. The relaxation spectrum exhibits two distinguishable broad features: a low and high activation energy spectrum. The low activation energy spectrum peaks at activation energy ε≈22 kcal/mole. The intensity of the low activation energy spectrum relative to the total spectrum decreases with decreasing quenching rate. Implications of these phenomena are discussed. The observed heat of relaxation of the glasses is in fair agreement with the value calculated from viscosity data using the entropy model of viscous flow.

44 325 measured and assigned transitions of H 2 32 S, the parent isotopologue of the hydrogen sulfide molecule, are collated from 33 publications into a single database and reviewed critically. Based on this information, rotation-vibration energy levels are determined for the ground electronic state using the Measured Active Rotational-Vibrational Energy Levels (Marvel) technique. The ortho and para principal components of the measured spectroscopic network of H 2 32 S are considered separately. The verified set of 25 293 ortho-and 18 778 para-H 2 32 S transitions determine 3969 ortho and 3467 para energy levels. The 1

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