The vibration of the molecules will slow down the colder it gets, so thats really the only thing that changes. Density doesn’t change as the distance between particles is the same no matter how fast the particles are vibrating. But vapor pressure may decrease as all things including solids have vapor pressure that are very negligible, but still vapor pressure of the ice will decrease as it cools.
Nothing much as far as i know changes other then those two things.
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