Molecular acoustics. Part 6.—Ring inversion in some cyclohexenes

1971 ◽  
Vol 67 (0) ◽  
pp. 660-664 ◽  
Author(s):  
K. R. Crook ◽  
E. Wyn-Jones
Keyword(s):  
Ring Inversion ◽  
Molecular Acoustics

Molecular acoustics. Part 3.—Ultrasonic relaxation and ring inversion in some cyclic sulphites

1970 ◽  
Vol 66 (0) ◽  
pp. 310-315 ◽  
Author(s):  
G. Eccleston ◽  
R. A. Pethrick ◽  
E. Wyn-Jones ◽  
P. C. Hamblin ◽  
R. F. M. White
Keyword(s):  
Ring Inversion ◽  
Ultrasonic Relaxation ◽  
Molecular Acoustics

Molecular acoustics. Part 7.—Ring inversion and internal rotation in some 2-halomethyl-1,3-dioxans

1971 ◽  
Vol 67 (0) ◽  
pp. 3223-3229 ◽  
Author(s):  
G. Eccleston ◽  
B. Walsh ◽  
E. Wyn-Jones ◽  
H. Morris
Keyword(s):  
Internal Rotation ◽  
Ring Inversion ◽  
Molecular Acoustics

In Memoriam. Professor Stefan ERNST

2015 ◽  
Vol 39 (4) ◽  
pp. 665-666
Author(s):  
Mirosław Chorazewski
Keyword(s):  
Secondary Education ◽  
Primary Education ◽  
Unexpected Death ◽  
Uranyl Compounds ◽  
Liquid Phases ◽  
German Speaking ◽  
In Memoriam ◽  
The University ◽  
Phd Thesis ◽  
Molecular Acoustics

Abstract It is with great sadness that we inform our readers about the recent death of Professor Stefan Ernst. Stefan Ernst was born in Piaśniki, Upper Silesia, on November 03, 1934, to parents of Polish-German descent. His primary education started during the war at a German-speaking school in Wirek and continued in Olesno, where he also got his secondary education. As chemistry studies were not yet available at the University ofWrocław in 1953, he started studying biology and switched to chemistry a year later. He received his master’s degree in chemistry in 1959, as one of the first graduates in that major. Then, he started his work on application of thermodynamics and molecular acoustics in investigation of liquid phases under the guidance of the Prof. Bogusława Jeżowska-Trzebiatowska. On 28 November 1967, he defended his PhD thesis entitled “Association-Dissociation Equilibria and the Structure of Uranyl Compounds in Organic Solvents” at the University of Wrocław. Professor Stefan Ernst was a linguist, a polyglot, a renowned thermodynamisist and a researcher of molecular acoustics. With great regret and shock we have learned of his sudden and unexpected death on August 03, 2014, in a hospital in Kraków.

scholarly journals AM1 Study of the Conformational Properties of (Z,Z)-Cyclonona-1,3-diene

1999 ◽  
Vol 23 (10) ◽  
pp. 616-617
Author(s):  
Issa Yavari ◽  
Hassan Norouzi-Arasi ◽  
Hossain Fallah-Bagher-Shaidaei
Keyword(s):  
Energy Barrier ◽  
Ring Inversion ◽  
Calculated Energy ◽  
Conformational Properties ◽  
Twist Boat ◽  
Calculated Energy Barrier

The unsymmetrical boat-chair BC conformation of ( Z,Z)-cyclonona-1,3-diene is calculated to be 5 kJ mol−1 more stable than the axial-symmetrical twist-boat-chair TBC form; while the calculated energy barrier for limited pseudorotation of BC and TBC is only 10.2kJ mol−1, ring inversion of BC via plane-symmetrical boat geometry requires 24.4 kJ mol−1.

Ring inversion in cyclohexanone

1973 ◽  
Vol 95 (13) ◽  
pp. 4423-4424 ◽  
Author(s):  
F. A. L. Anet ◽  
Gwendolyn. Chmurny ◽  
Jostein. Krane
Keyword(s):  
Ring Inversion

Zur Ring-Inversion bei Cycloheptan- und Cyclohepten-Derivaten

1967 ◽  
Vol 79 (12) ◽  
pp. 577-578 ◽  
Author(s):  
R. Knorr ◽  
C. Ganter ◽  
J. D. Roberts
Keyword(s):  
Ring Inversion
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