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Linus Pauling's General Chemistry

by cseal
Tags: chemistry, linus, pauling
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May15-14, 12:07 PM
P: 2
Is anyone able to comment on the crystalline structures in the second chapter? Copper's cubic unit of structure is described as a face-centered cubic arrangement with atoms at coordinates 0,0,0; 0,1/2,1/2; 1/2,0,1/2; 1/2,1/2,0.

The iron cubic unit of structure is described as a body-centered arrangement. There are two atoms in the unit at coordinates 0,0,0 and 1/2, 1/2, 1/2.

Also, what am I supposed to gather from the stereoscopic image? I'm having trouble imagining this spatially even with the diagrams.

Most of the above is a direct quote from p25 in the Dover republication of General Chemistry.
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PF Gold
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You can view the crystal structures here:
May20-14, 10:50 AM
P: 2
Thanks for the response. The difference between the face-centered and body-centered cubic units were troubling me. I referenced my general chemistry text for a more elementary explanation than Pauling's.

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