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Group of substances:

Physical appearance:

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

Structural formula as text:

Molar/atomic mass: 207.355

Melting point (°C):

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

References:

1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-11
   
2. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 290 [Russian]
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   © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru