add diatomic download and share utilities from phonons download

[joehart2001]

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Summary

Linked issue

Resolves #

Testing

[joehart2001]

@ElliottKasoar it keeps refusing my changes to pass the pre-commit, any idea?

[ElliottKasoar]

Is this supposed to be labeled as new model?

The functions you're importing don't seem to exist? It's an odd manifestation, but probably why.

[joehart2001]

Is this supposed to be labeled as new model?

The functions you're importing don't seem to exist? It's an odd manifestation, but probably why.

sorry nope. ahh i had forgot to add a new utils file, all good now

[ElliottKasoar]

The diatomics don't seem to load for me at all with these changes (I checked on main with the same data and it looked ok, so I don't think it's missing data/a loading issue)

[joehart2001]

The diatomics don't seem to load for me at all with these changes (I checked on main with the same data and it looked ok, so I don't think it's missing data/a loading issue)

i had this issue for mace-mp-0b3, and then found i didnt have the analysis/up to date analysis. could you check this?