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Hi sjohn:
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The thermodynamic database has a strict format with regards to what items are in what columns. I don't think the numbers matter so long as the required information is in the right columns.
It looks like the last digit in the last temperature is too close to the 1 at the end of the first data row, so the temperatures are being truncated. Can you please attach a sample of your thermo file that contains the problem lines?
Please note that the thermo header also makes a difference - THERMO vs. THERMO ALL.
If temperature ranges are to be specified separately for each specie, the header usually has a temperature range that will apply if none is specified:
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