Philip George Owston (January 1921 – September 2001) was a British

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...

and crystallographer for whom the Owston Islands () in

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...

are named. The Owston Islands lie within the region claimed by the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

(

British Antarctic Territory The British Antarctic Territory (BAT) is a sector of Antarctica claimed by the United Kingdom as one of its 14 British Overseas Territories, of which it is by far the largest by area. It comprises the region south of 60°S latitude and betwee ...

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

(

Argentine Antarctica Argentine Antarctica ( or ) is an area on Antarctica claimed by Argentina as part of its national territory. It consists of the Antarctic Peninsula and a triangular section extending to the South Pole, delimited by the 25th meridian west, 25 ...

), and

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

(the

Antártica Antártica is a Chilean commune in Antártica Chilena Province, Magallanes y la Antártica Chilena Region, which covers all the Chilean Antarctic Territory (the territory in Antarctica claimed by Chile). It ranges from 53°W to 90°W and from t ...

commune in

Antártica Chilena Province Antártica Chilena Province () is the southernmost of the four Provinces of Chile, provinces in Chile's southernmost Regions of Chile, region, Magallanes and Antártica Chilena Region (XII). The capital is Puerto Williams. The province comprises ...

). They are a group of small islands lying 1 nautical mile (1.9 km) west of Darbel Islands in Crystal Sound, and they were named by the

United Kingdom Antarctic Place-Names Committee The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) and ...

. Owston was born in

Saltburn-by-the-Sea Saltburn-by-the-Sea, commonly referred to as Saltburn, is a seaside town in the civil parish of Saltburn, Marske and New Marske, in the Redcar and Cleveland unitary authority, in North Yorkshire, England. It is south-east of Hartlepool and so ...

Yorkshire Yorkshire ( ) is an area of Northern England which was History of Yorkshire, historically a county. Despite no longer being used for administration, Yorkshire retains a strong regional identity. The county was named after its county town, the ...

, England during January 1921 as the son of Edward Owston and Margaret Smith. He died in

Watford Watford () is a town and non-metropolitan district with Borough status in the United Kingdom, borough status in Hertfordshire, England, northwest of Central London, on the banks of the River Colne, Hertfordshire, River Colne. Initially a smal ...

Hertfordshire Hertfordshire ( or ; often abbreviated Herts) is a ceremonial county in the East of England and one of the home counties. It borders Bedfordshire to the north-west, Cambridgeshire to the north-east, Essex to the east, Greater London to the ...

, England in September 2001. Owston's crystallography work included the determination of the structure of

Zeise's salt Zeise's salt, potassium trichloro(ethylene)platinate(II) hydrate, is the chemical compound with the formula K platinum.html" ;"title="/nowiki>platinum">PtCl3(C2H4)�H2O. The anion of this air-stable, yellow, coordination complex contains an hapt ...

, the anion of which is shown at right. Zeise's salt, was reported in 1831 and was one of the first

organometallic compound Organometallic chemistry is the study of organometallic compounds, chemical compounds containing at least one chemical bond between a carbon atom of an organic molecule and a metal, including alkali, alkaline earth, and transition metals, and ...

s ever discovered. However, the nature of the

platinum Platinum is a chemical element; it has Symbol (chemistry), symbol Pt and atomic number 78. It is a density, dense, malleable, ductility, ductile, highly unreactive, precious metal, precious, silverish-white transition metal. Its name origina ...

ethylene Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula or . It is a colourless, flammable gas with a faint "sweet and musky" odour when pure. It is the simplest alkene (a hydrocarbon with carbon–carbon bond, carbon–carbon doub ...

bond in the compound was not understood until the development of the

Dewar–Chatt–Duncanson model The Dewar–Chatt–Duncanson model is a model in organometallic chemistry that explains the chemical bonding in transition metal alkene complexes. The model is named after Michael J. S. Dewar, Joseph Chatt and L. A. Duncanson. The alkene don ...

in the 1950s. The

space-filling model In chemistry, a space-filling model, also known as a ''calotte model'', is a type of three-dimensional (3D) molecular model where the atoms are represented by spheres whose radii are proportional to the radii of the atoms and whose center-to- ...

from the Owston crystal structure clearly shows that it is an organometallic species as there is direct bonding between the platinum metal centre (in blue) and the two carbon atoms of the ethylene

ligand In coordination chemistry, a ligand is an ion or molecule with a functional group that binds to a central metal atom to form a coordination complex. The bonding with the metal generally involves formal donation of one or more of the ligand's el ...

(in black). In 1964, Owston wrote an article in ''

New Scientist ''New Scientist'' is a popular science magazine covering all aspects of science and technology. Based in London, it publishes weekly English-language editions in the United Kingdom, the United States and Australia. An editorially separate organ ...

'' on the use of

electron spin resonance Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons. The basic concepts of EPR are analogous to those of nuclear magnetic resonance (NMR), but the spin ...

spectroscopy in chemistry.

References

British chemists 1921 births 2001 deaths People from Saltburn-by-the-Sea {{UK-scientist-stub