Michael J. Bucknum
Chemical Topology of Crystalline Matter and the Transcendental Numbers ϕ , e and π
This work is intended as a review and extension of the seminal work in chemical topology developed by the crystallographer A.F. Wells in the 20th century.
Received 12 May 2008 01:52 UTC; Posted 14 May 2008
Posted to: Chemistry
Polymorphic (NH): As Polyimidogen and Ammonium Azide Structure-types
This paper reports a productive discussion of bonding principles in the non-metallic 2nd row hydrides. It suggests the inversion of a bonding character, potentially from hydrides of B & C, which ma…
Received 19 November 2008 22:10 UTC; Posted 21 November 2008
Posted to: Chemistry
Compressibility of Calcium Nitride to 137 Kb
A compressibility study was carried out of calcium nitride using a powdered sample in a diamond anvil cell with a Debeye-Scherrer camera at Cornell High Energy Synchrotron Source (CHESS) in 1992. T…
Received 08 May 2008 17:56 UTC; Posted 09 May 2008
Posted to: Chemistry
Trigohexagonite: A Rare Quaternary Stoichiometry Network
A rare quaternary stoichiometry network of high hexagonal symmetry (P-6m2) is described. A set of hexagonal fractional crystallographic coordinates, for both an idealized network, and optimized bor…
Received 01 March 2008 08:14 UTC; Posted 03 March 2008
Posted to: Chemistry
Geometrical-topological correlation in structures
The topology of polyhedra, tessellations and networks is described as to their mapping in Schlaefli space. A description of the topological form index is given and it is applied to these structural…
Received 01 March 2008 08:38 UTC; Posted 03 March 2008
Posted to: Chemistry
Chemical Physics of Phonons & Superconductivity: A Heuristic Approach
Several lines of thought are pursued in an attempt to further clarify the role played by phonons in the theory of superconductivity. The central results of BCS theory are examined in the context of…
Received 15 February 2008 17:03 UTC; Posted 19 February 2008
Posted to: Chemistry
Hypothetical Allotropes of Carbon Built from 1,4-Cyclohexadiene Rings
Disclosure Document #337,466 filed with the U.S. Patent & Trademark Office on August 23, 1993 describes, for the first time in the published literature, certain hypothetical constructions known as …
Received 22 January 2008 00:29 UTC; Posted 23 January 2008
Posted to: Chemistry
Lattice Parameters of Calcite in the PT-Plane to 7.62 Kb and 800 K
Lattice parameters (a & c) of powdered, polycrystalline calcite in the trigonal-hexagonal system have been determined as a function of pressure and temperature using a hydrothermal diamond anvil ce…
Received 13 January 2008 01:38 UTC; Posted 14 January 2008
Posted to: Chemistry, Earth & Environment