What is the Shape of Hydrogen Bonds in Urea Molecules?

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SUMMARY

The discussion centers on the geometry of hydrogen bonds in urea molecules, specifically the angles formed between bonded urea molecules. Unlike water, which exhibits a tetrahedral shape due to its hydrogen bonding, urea's hydrogen bonding results in a planar arrangement with bond angles close to 120 degrees. Additionally, the effectiveness of Perchloroethylene (Cl2C=CCl2) in dry cleaning is attributed to its non-polar characteristics, which facilitate the dissolution of non-polar stains.

PREREQUISITES
  • Understanding of molecular geometry and bond angles
  • Knowledge of hydrogen bonding principles
  • Familiarity with urea's chemical structure
  • Basic concepts of polarity in organic compounds
NEXT STEPS
  • Research the molecular geometry of urea and its implications for hydrogen bonding
  • Study the properties and applications of Perchloroethylene in organic chemistry
  • Explore the role of lone pairs in molecular shape determination
  • Investigate the differences in hydrogen bonding between water and other molecules
USEFUL FOR

Chemistry students, researchers in molecular modeling, and professionals in the field of organic chemistry will benefit from this discussion.

starlightx
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For one of my chemistry projects, I have to build a 3D model of urea, with 3 urea molecules bonded to each other (via hydrogen bonding). I was just wondering how you know the shape of the hydrogen bond that takes place?? Ie. for water, the hydrogen bonding makes a tetrahedron shape, what's the shape/angle made by urea molecules??

Also, if anyone can explain why Perchloroethylene (Cl2C=CCl2) is effective for dry cleaning (i.e. the polarity, bonding, etc) that would be really appreciated thanks!
 
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starlightx said:
For one of my chemistry projects, I have to build a 3D model of urea, with 3 urea molecules bonded to each other (via hydrogen bonding). I was just wondering how you know the shape of the hydrogen bond that takes place?? Ie. for water, the hydrogen bonding makes a tetrahedron shape, what's the shape/angle made by urea molecules??

Lone pairs.
 

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