Bond Angle Questions: Is it Applicable for Single Bonded Atoms?

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SUMMARY

The discussion centers on the applicability of bond angles for single-bonded atoms, specifically in the context of carbon dioxide (CO2) and carbon monoxide (CO). It is established that bond angles are defined between two bonds, making them relevant only for atoms involved in multiple bonding scenarios. For CO2, the bond angle at carbon is 180 degrees, while the concept does not apply to oxygen due to its single bond with carbon. The participants agree that lone pairs do not contribute to bond angles in this context.

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When determining the bond angle of an atom, is it not applicable if you have an atom bonded to only one other atom? such as for CO2, would you only be able to write the angle for C, 180 degrees, but not for oxygen despite the lone pairs?
 
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The bond angle is the angle between two bonds.
 
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I would second that. In my experience, bond angles are always considered between well defined bonds.
 
What is the bond angle in CO molecule?
 

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