HNO2 Resonance: Liquid Phase Impact?

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SUMMARY

The discussion centers on the resonance characteristics of the HNO2 molecule in different states of matter, specifically questioning the presence of resonance in its liquid phase. Participants assert that HNO2, like many molecules, retains some form of resonance even in liquid, contrary to the initial claim that resonance is absent. The role of hydrogen bonding in stabilizing the molecule in liquid form is also debated, with emphasis on the persistence of vibrational modes. Overall, the consensus is that resonance is not eliminated in the liquid phase of HNO2.

PREREQUISITES
  • Understanding of molecular resonance and its significance in chemical stability.
  • Familiarity with the properties of HNO2 and its molecular structure.
  • Knowledge of hydrogen bonding and its effects on molecular interactions.
  • Basic principles of UV-VIS spectroscopy for analyzing molecular behavior in different phases.
NEXT STEPS
  • Research the molecular resonance of HNO2 in various states of matter.
  • Explore the role of hydrogen bonding in liquid-phase molecular stability.
  • Investigate UV-VIS spectroscopy techniques for studying HNO2 in liquid phase.
  • Examine comparative studies of resonance in other molecules, such as H2O.
USEFUL FOR

Chemists, molecular biologists, and students studying molecular interactions and resonance phenomena, particularly in the context of liquid-phase chemistry.

Karan Punjabi
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Guys, consider a molecule of HNO2, in this molecule there will be resonance for its stability. But i want to ask that do states of matter makes a difference in Resonance or not? Because I think in liquid phase there will be no resonance in HNO2 ? Please help.
 
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Karan Punjabi said:
Guys, consider a molecule of HNO2, in this molecule there will be resonance for its stability. But i want to ask that do states of matter makes a difference in Resonance or not? Because I think in liquid phase there will be no resonance in HNO2 ? Please help.

What's so special about HNO2 that it won't have a "resonance" in its liquid phase? After all, most, if not all, molecules will have some form of resonance states in the liquid phase. See, for example, H2O:

http://www1.lsbu.ac.uk/water/water_vibrational_spectrum.html

This really should have been posted in the Atomic/Molecular/Solid State forum.

Zz.
 
ZapperZ said:
What's so special about HNO2 that it won't have a "resonance" in its liquid phase? After all, most, if not all, molecules will have some form of resonance states in the liquid phase. See, for example, H2O:

http://www1.lsbu.ac.uk/water/water_vibrational_spectrum.html

This really should have been posted in the Atomic/Molecular/Solid State forum.

Zz.
I think due to stability given by hydrogen bonds in the liquid phase there might not be any resonance . Am I right?
 
Karan Punjabi said:
I think due to stability given by hydrogen bonds in the liquid phase there might not be any resonance . Am I right?

I don't know. But even if this is true (it isn't true for water), why would any other resonance associated with other bonds be gone? The fact that it is still a molecule means that there are still vibrational modes present.

Have you done a search on any UV-VIS measurement of this molecule in liquid phase?

Zz.
 

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