Calculating Elastic Constants of Molecular Crystals Using Crystal98

2004 ◽  
Author(s):  
Troy Oxby
Keyword(s):  
Elastic Constants ◽  
Molecular Crystals

Elastische und thermoelastische Konstanten des rhombischen α-Schwefels

1969 ◽  
Vol 24 (5) ◽  
pp. 865 ◽  
Author(s):  
S. Haussühl
Keyword(s):  
Thermal Expansion ◽  
Elastic Constants ◽  
Elastic Anisotropy ◽  
Molecular Crystals ◽  
Organic Molecular Crystals ◽  
Anisotropy Of Thermal Expansion ◽  
Cauchy Relations

Abstract The elastic and thermoelastic constants of α-sulphur are measured by the Schaefer-Bergman method. The magnitude of the elastic constants is slightly higher than in comparable organic molecular crystals. The elastic anisotropy and the anisotropy of thermal expansion obey the Grüneisen relation. The deviations from the Cauchy relations are all negative. This is usually only observed in crystals with covalent bind­ing components or with a highly anharmonic behaviour.

ELASTIC CONSTANTS OF IRON IN THE VICINITY OF THE CURIE POINT

1971 ◽  
Vol 32 (C1) ◽  
pp. C1-415-C1-416 ◽  
Author(s):  
L. ALBERTS ◽  
M. BOHLMANN ◽  
H. L. ALBERTS
Keyword(s):  
Elastic Constants ◽  
Curie Point
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