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Thermochemistry of the Boranes

By Yu, C. L.

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Book Id: WPLBN0000659962
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File Size: 2.74 MB
Reproduction Date: 2005

Title: Thermochemistry of the Boranes  
Author: Yu, C. L.
Volume:
Language: English
Subject: Technology., Reference materials, Technology and literature
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L. Y, B. C. (n.d.). Thermochemistry of the Boranes. Retrieved from http://gutenberg.cc/


Description
Technical Reference Publication

Excerpt
Excerpt: Species Considered. Table 1 lists 26 borane species that are covered in the present study. Also cited in the table are their enthalpies of formation, molar entropies, and heat capacities at 398.15 K and I bar. The molecular constants used in the statistical mechanics calculations for the thermochemical properties are summarized in Table 2. Reviews of the literature that cover their physical and thermal properties are presented in Sec. 2. We note that 13 additional species have been identified, but one or more essential parameters (enthalpy of formation, vibrational frequencies, or molecular geometry) are unavailable for statistical mechanics calculations.

Table of Contents
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . 2 0 .12~ 1. Introduction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 808 2.21. B,H,,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1. Borane Species Considered. . . . . . . . . . . . . . . 8 10 2.22.BIoH 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2. Comments on Thermal Parameter 3. Polynomials for Thermodynamic Parameters.. ... Evaluations and Calculations. . . . . . . . . . . . . . 810 4. On the Derived Equilibrium 1.3. A Brief Historical Account of Borane Fractions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R ~. . . . . . .~. . . . . . .~. . . . . . .~. . . . . . .~. g1 1 ~ 5. R.eferenc es. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. Thermodynamic Properties of the Boranes.. ..... 812 2.1.BH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 812 List of Tables 2.2.BH, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 812 1. Thermaldataofboranesat298.15Kandlbar... 2.3. B, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 13 2. Molecular constants used in the calculation of 2.4. BH,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 815 thermochemical parameters. . . . . . . . . . . . . . . . . . . 2.5. BH,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 815 3. Ideal gas thermodynamic parameters of BH at 1 2.6.B2H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 815 bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7. BzHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 815 4. Ideal gas thermodynamic parameters of BH, at 1 2.8.B2H, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 815 bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.9. B2H,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 16 5. Ideal gas thermodynamic parameters of BH3 at 1 2.10.B2H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 818 bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 1. B2H6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 19 6. Ideal gas thermodynamic parameters of BH, at 1 2.12.B3H, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 819 bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.13. B3H9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 19 7. Ideal gas thermodynamic parameters of BHs at 1 2.14. B4H4... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 819 bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.15. B4H,o. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 820 8. Ideal gas thermodynamic Parameters of B2H at 1 1.16.B1H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 821 bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.17. B,H, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 822 9. Ideal gas thermodynamic parameters of B2H2 at 2.18.B5Hl,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 823 1 bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.19. B,Hlo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 834 Ideal gas Parameters of B2H3 (single bridge: B-B) at 1 bar.. . . . . . . . . . . . . . . . I I. Ideal gas thermodynamic parameters of B2H3 ,Elec~ronicm. ail: shb6@c o~nell.c.du (double bridges: B-B and B-H-B) at 1 bar. . . . . 01998 hy [he C.S Secrerar) of Commerce on behalf of the L'ntrfd Stati.5. ,411 ri~ht,r ewr\ed. Thii cnp>ripht i \ ass~gnedto the Arner~c:in lntr~rurco f 12. Ideal gas thermodynamic parameters of B,H, Ph>\lc~an d the ;\~n~.ricnnC htniical Socirr!. (single bridge: B-B) at 1 bar. . . . . . . . . . . . . . . . . Ktpr~nria \.a~lshlefr om ACS: \re Reprints Li\t nt hack of iiwt. 13. Ideal gas thermodynamic parameters of B2H

 
 



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