A personal reminiscence about theories used and misused in structural chemistry

2010 ◽  
Vol 22 (2) ◽  
pp. 247-251 ◽  
Author(s):  
Lawrence S. Bartell
2020 ◽  
Vol 42 (Supplement) ◽  
pp. 7-22
Author(s):  
George Applebey

In this paper, I will reflect on my personal memories of Ludovic Mann, friend and mentor to my late father George Applebey, whose archaeological career is also a focus of the paper. They both worked together on Mann's most famous excavations at Knappers Farm, and the nearby painting of the Cochno Stone rock-art panel. However, these are only two examples of their long-term collaboration and friendship, and this paper will explore the broader context within which they worked. This will include consideration of other collaborators, such as J Harrison Maxwell, part of the ‘Ludovic Group’ in the first half of the twentieth century. The important role that all three men played in the development of Scottish archaeology is noted. The paper concludes with developments following Mann's death in 1955 including George Applebey's emergence as a noted amateur archaeologist in his own right, and the fate of the Mann and Applebey collections.


2018 ◽  
Author(s):  
Igor Baburin

The paper calls attention to the most symmetric interpenetration patterns of honeycomb layers. To the best of my knowledge, such patterns remained unknown so far. In my contribution a rigorous derivation of such patterns is given that makes use of a new approach to interpenetrating nets. The results are presented in a broad context of structural chemistry and crystal engineering.


Tetrahedron ◽  
1998 ◽  
Vol 54 (39) ◽  
pp. 11683-11729 ◽  
Author(s):  
Abimael D. Rodríguez ◽  
Eduvigis González ◽  
Catherine Ramírez

2019 ◽  
Vol 17 (1) ◽  
pp. 260-266 ◽  
Author(s):  
Imran Nadeem ◽  
Hani Shaker ◽  
Muhammad Hussain ◽  
Asim Naseem

Abstract The degree-based topological indices are numerical graph invariants which are used to correlate the physical and chemical properties of a molecule with its structure. Para-line graphs are used to represent the structures of molecules in another way and these representations are important in structural chemistry. In this article, we study certain well-known degree-based topological indices for the para-line graphs of V-Phenylenic 2D lattice, V-Phenylenic nanotube and nanotorus by using the symmetries of their molecular graphs.


2020 ◽  
Vol 59 (10) ◽  
pp. 7204-7215 ◽  
Author(s):  
Gabriel L. Murphy ◽  
Eike M. Langer ◽  
Olaf Walter ◽  
Yaxing Wang ◽  
Shuao Wang ◽  
...  

ChemInform ◽  
2007 ◽  
Vol 38 (31) ◽  
Author(s):  
Laura Miranda ◽  
Julio Ramirez-Castellanos ◽  
Maria Hernando ◽  
Aurea Varela ◽  
Jose M. Gonzalez-Calbet ◽  
...  
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