Experimental and theoretical investigations of the structure and the stability of the BNSi molecule

Meloni, Giovanni; Viswanathan, R.; Gingerich, K. A.

doi:10.1063/1.479844

Cited by 4 publications

(1 citation statement)

References 24 publications

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“…In continuation of our recent investigations on small nitrogen containing group 13 and 14 clusters, [32][33][34][35][36][37] we employed the Knudsen cell mass spectrometric method to perform the first equilibrium study on B 2 N and to determine its atomization energy and enthalpy of formation. A preliminary value for the atomization energy of B 2 N has previously been reported.…”

Section: Introductionmentioning

confidence: 99%

Knudsen cell mass spectrometric investigation of the B2N molecule

Meloni

Baba

Gingerich

2000

The Journal of Chemical Physics

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High-temperature Knudsen cell mass spectrometry has been used to study the equilibria involving the B2N molecule over the Si–BN system. Thermal functions needed in the evaluation of the mass spectrometric equilibrium data have been calculated from available experimental and theoretical molecular parameters. The enthalpy changes for the reactions 2B(g)+Si2N(g)=B2N(g)+2Si(g), and BN(s)+B(g)=B2N(g) have been measured. The following atomization enthalpy, ΔaH0o, and enthalpy of formation, ΔfH298.15o, in kJ mol−1, of 1045.5±18 and 551.3±18 for the B2N molecule have been determined from these reaction enthalpies. Atomization energies of similar molecules have been compared and discussed.

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Section: Introductionmentioning

confidence: 99%

Knudsen cell mass spectrometric investigation of the B2N molecule

Meloni

Baba

Gingerich

2000

The Journal of Chemical Physics

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FTIR matrix isolation and ab initio investigations of the Si2N and BNSi molecules

Meloni¹,

Cesaro²,

Sanna³

2001

Chemical Physics Letters

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Thermodynamic study of the gaseous molecules Al2N, AlN, and Al2N2 by Knudsen cell mass spectrometry

Meloni

Gingerich

2000

The Journal of Chemical Physics

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The Knudsen effusion mass speclrometric method has been employed to measure the equilibrium partial pressures of tiie AliN molecule over the AlN-Au-graphite system. Theoretical computations were carried out to determine the structure, molecular parameters, and thermodynamic properties of AUN. The partial pressures have been combined with the calculated thermal functions to determine the atomizalion enLhalpy, A,,//^, and enthalpy of formation. A^/Ziysjsi in kJ mol"', of 783.2i 15 and 342.7± 15 for AI2N, respectively. Upper values for the dissociation energy of AIN, D[;(AlN.^)^368±15kJmor', and for the atomization enthalpy of Al.N^. ^"H"^^{A\2l<2'f^) l402kJmor' have been obtained. These results are discussed and compared with recent theoretical literature values.

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Experimental and theoretical investigations of the structure and the stability of the BNSi molecule

Cited by 4 publications

References 24 publications

Knudsen cell mass spectrometric investigation of the B2N molecule

Knudsen cell mass spectrometric investigation of the B2N molecule

FTIR matrix isolation and ab initio investigations of the Si2N and BNSi molecules

Thermodynamic study of the gaseous molecules Al2N, AlN, and Al2N2 by Knudsen cell mass spectrometry

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