Spectroscopic studies of phase transitions in some organic crystals: C2H2, CHBr3 and CH3CN
β Scribed by A. Anderson; B. Andrews; B.H. Torrie
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 348 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0022-2860
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Recewed 6 bhry 198 1; in final form 4 June 1981 (CHaNHa)a [SnCle] undergoes a cr~hcal phase transrtion at 154.32 f 0.06 R with the critical exponents CL = 0.36 +\_ 0.04, $ = 0.19 i\_ 0.02, the critical entropy ratio 0 062 and the total transition entropy (1.60 + 0.18) R. Infrared spectral change fav
HeI photoelectron spectra (PES) of AI(CH3) 3, In(C2Hs) 3 and Cd(CH3) 2 compounds are recorded. The assignment of the PES bands is made on the basis of bandshape and ab initio SCF MO calculations using the 3-21G basis sets. Both PES experiment and theoretical calculation show that the characters of t