Published March 1980 | Version v1
Journal article Metadata-only

Thermal dissociation of boron oxide and formation enthalpy of molecule BO2

Creators

  • 1. Moskovskij Gosudarstvennyj Univ. (USSR)

Description

The equilibrium-constants of the following gaseous reactions are calculated: B2O3=BO+BO2 (1); 2B2O3=B2O2+2BO2 (2). Proceeding from enthalpy of reaction (1) and (2) and literature data on enthalpies of B2O3, B2O2 and BO formation found is the formation enthalpy of BOsub(2):ΔHsub(f,0)sup(0)(BOsub(2,GITA), which is equal to -74+-2 kcl/mol. The value of reaction (1) enthalpy has been used to specify the ionization potential (IP) values and values of atomization energy D0(BO3). The following values are obtained: IP(BO)=13.8+-0.3 eV, IP(BO2)=13.0+-0.4 eV, Dsub(0)(BOsub(a))=507.7+-8 kcal/mol

Additional details

Additional titles

Original title (Russian)
Термическая диссоциация окиси бора и энтальпия образования молекулы BO

Publishing Information

Journal Title
Vestn. Mosk. Univ., Ser. 2. Khim.
Journal Volume
21
Journal Issue
2
Series
Vestn. Mosk. Univ., Ser. 2. Khim.
Journal Page Range
139-142
ISSN
0579-9384

INIS

Country of Publication
Russian Federation
Country of Input or Organization
USSR
INIS RN
12629020
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
ATOMIZATION; BORON OXIDES; DISSOCIATION; ENERGY; EQUILIBRIUM; FORMATION HEAT; IONIZATION POTENTIAL; VAPORS; VERY HIGH TEMPERATURE
Descriptors DEC
BORON COMPOUNDS; CHALCOGENIDES; ENTHALPY; FLUIDS; GASES; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; REACTION HEAT; THERMODYNAMIC PROPERTIES

Optional Information

Notes
For English translation see the journal Moscow University Chemistry Bulletin (USA).