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\uD83D\uDDD3 Date

\uD83D\uDC65 Participants

\uD83D\uDDE3 Discussion topics

Item

Notes

Update from MolSSI

  • BP is busy

Infrastructure advances

Throughput status

OpenFF PEPCONF OptimizationDataset v1.0

  • 3723 → stuck for a few days → 4010 (back to regular pace of around 40 or so calcs a day)

  • DD – Also just now submitted a new batch of workers. Are there users?

  • PB – YW may be using parts of this dataset, but I haven’t heard from him yet. One external user mentioned that this dataset isn’t complete

User questions/issues

  • PB: Just for information, there is a user question about weird energies with psi4, it seems to be a threading issue with in-core algorithm calculations,

  • PB – I can’t reproduce the submitted issue, but it looks ilke psi4 can be erratic. The QC records show some conformer single point energies computer by UCI cluster being 20-30 hartrees lower than other confs.

  • DD – Which psi4 was the compute using?

    • PB – Currently it’s using 1.4 (?)

  • DD – How many records show this?

    • PB – User mentioned 40 confs out of 33000.

  • JW – Is it possible that the optimization led to a different final geometry in these?

    • PB – These are single points, not opts

  • DD – Who is spice set owner?

    • JW – I don’t know. Let me ask lead team.

  • PB – I’ll reply that we’re looking into the issue and that it seems to be rooted in psi4.

  • DD – We now have SPICE sets listed on ML datasets on QCA webapp, but I have questions about how to fill in metadata.

    • PB – Quality=DFT

Science needs

✅ Action items

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⤴ Decisions

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