Difference between revisions of "Form Factor:Octahedron"

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(Created page with "==Equations== For a regular octahedron of edge-length 2''R'' * Volume <math>V_{oct} = \frac{8 \sqrt{2} }{3} R^3</math> * Projected (''xy'') surface area <math>Sp = 4R^2</math>...")
 
 
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[[Image:Octahedron.png|200px|right]]
 
==Equations==
 
==Equations==
 
For a regular octahedron of edge-length 2''R''
 
For a regular octahedron of edge-length 2''R''
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==Pyramid==
 
==Pyramid==
The Octagon shaped can be considered to be formed from two square-based pyramids. Similarly the form factor can be computed from appropriate summation of two [[Form_Factor:Pyramid|pyramid form factors]].
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The Octagon shaped can be considered to be formed from two square-based pyramids. Similarly the [[form factor]] can be computed from appropriate summation of two [[Form_Factor:Pyramid|pyramid form factors]].
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==See Also==
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* [http://scripts.iucr.org/cgi-bin/paper?ks5428 The chord-length probability density of the regular octahedron] S. Ciccariello ''J. Appl. Cryst.'' 2014, 47 [http://dx.doi.org/10.1107/S1600576714011121 doi: 10.1107/S1600576714011121]

Latest revision as of 17:58, 29 June 2014

Octahedron.png

Equations

For a regular octahedron of edge-length 2R

  • Volume
  • Projected (xy) surface area
  • Surface area


Pyramid

The Octagon shaped can be considered to be formed from two square-based pyramids. Similarly the form factor can be computed from appropriate summation of two pyramid form factors.

See Also