Chapter 4 (1)

Zahra Hejri

Department of Chemical Engineering Quchan branch, Islamic Azad University

Advanced Thermodynamics

Intermolecular Forces:

r

:

:

𝒒𝒊 = 𝒛𝒊e

𝒒𝒋 = 𝒛𝒋e

(e is the unit charge)

𝛆 :

for :

:

More asymmetry larger dipole moment

:

1/KT :

:

The unit of Electric quadrupole moment:

SI : C 𝒎𝟐

CGS : Buckingham (symbol: B) =10−26(𝒆𝒓𝒈𝟏/𝟐𝒄𝒎𝟓/𝟐)

:

E :

𝛍 ∶ 𝐂 𝐦 :

:

: