Understanding Crystalline Structures: A 3D Representation for Enhanced Learning

  • Thread starter Corey Williams
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In summary, the conversation discusses the structures of crystalline structures and the struggle to represent them in 3D. The speaker created a 3D representation to help others understand and asks for feedback on its accuracy and usefulness. They also suggest using software like xcrysden or Quantumwise's Virtual NanoLab for a larger variety of crystal structures. Lastly, there is a question about the relevance of single elements versus compounds in this context.
  • #1
Corey Williams
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We were going over the structures of crystalline structures and the professor seemed to struggle to represent it nicely in 3D. I'm not sure if it is a common problem for students (I didn't think it was so hard to picture), but I decided to make a 3D representation of it that I thought would help.

Let me know what you think. Are they accurate enough? Are they helpful?
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https://www.physicsforums.com/attachments/112790
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  • #2
These look great tbh. The transparent internal wall of the spheres is a really useful feature
 
  • #3
For a larger variety of crystal structures try a software like xcrysden, or better yet get Quantumwise's Virtual NanoLab with a free academic license and use it to see cif files of different crystals.
 
  • #4
Wouldn't the element deem that? I.e carbon (single element) vs Alumina (AlO3 a compound)
 

What are Crystalline Structures?

Crystalline structures are highly organized arrangements of atoms or molecules that make up crystals. They have a repeating pattern in three dimensions and can form naturally or be created through processes like solidification or precipitation.

How are Crystalline Structures different from Amorphous Structures?

Crystalline structures have a highly ordered arrangement of atoms, whereas amorphous structures have a random arrangement. This results in differences in physical properties, such as transparency and melting point.

What are the different types of Crystalline Structures?

The most common types of crystalline structures are cubic, tetragonal, orthorhombic, hexagonal, rhombohedral, and monoclinic. These are classified based on the shape and orientation of their unit cells, which are the smallest repeating units of the crystal.

How does the arrangement of atoms in a Crystalline Structure affect its properties?

The arrangement of atoms in a crystalline structure can affect many properties, such as hardness, melting point, and electrical conductivity. This is because the ordered structure allows for efficient transfer of energy and interactions between atoms.

What are some real-world applications of Crystalline Structures?

Crystalline structures have many practical applications, such as in semiconductors, ceramics, and pharmaceuticals. They are also important in materials science and engineering, as they can be tailored to have specific properties for different uses.

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