Group of substances:

Empirical formula (Hill's system for organic substances):

Molar/atomic mass: 519.74

Melting point (°C):

References:

1. Оболончик В.А. Селениды. – М.: Металлургия, 1972. - pp. 31 [Russian]
   
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   © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru