By using a conventional bomb calorimeter and a technique of burning pure C60 on a gram-scale in a mini-crucible, the standard massic energy of combustion of C60 was determined: DcuΒ°= -(36036.06 2 6.04) Jβ’g -1 . The corresponding thermodynamic functions at T = 298.15 K were derived for C60: DcHΒ°m(cr)
Standard enthalpies of combustion and formation of porphyrin derivatives
β Scribed by Dingquan Wu; Guiduan Xu; Songsheng Qu; Rongshu Xue; Chuengang Gu; Faming Zhang
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 724 KB
- Volume
- 154
- Category
- Article
- ISSN
- 0040-6031
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The standard massic energies of combustion of three substituted bicyclic compounds: (4R\*,4'R\*,5R\*,5'R\*)-5,5'-diphenyl-3,3',4,4'-tetramethyl-2,2'-bioxazolidine; 4]-oxazine (these compounds will be referred as C1, C2, and C3, respectively, and their formulae are given in figure 1) were determine
Standard enthalpies of combustion of phenanthrene and naphthacene were determined to be -(7048.7 Β± 0.9) kJ β’ mol -1 and -(9005.1 Β± 1.8) kJ β’ mol -1 , respectively, by means of high-precision micro-combustion calorimetry. The former result agrees very well with that reported by Steele et al. (AIChE S