Dear Bob,

I have come across another issue with GSASII but this time with neutron data on partially deuterated samples. It appears that having a structure with both deuterium and hydrogen is impossible at the moment. The organisation of the General tab seems to be a weak point here. We would need multiple columns (in my case two) if multiple isotopes of one element are present in a cif/EXP/"whatever format" source. Thank you in advance.

Best regards

Andrzej


Error description:

Deuterium "D" not recognized in: /Phase data>General tab /when structure loaded via: /Import>Phase>From GSAS .EXP file/

One might go around the issue by changing D to H in /Atoms/ tab via periodic table and changing it back in /General /tab H to isotope 2. Unfortunately, it also means that one cannot work on part deuteratred and part hydrogenated samples as it in my case (methane hydrates with hydrogenated gas and deuteratred water frame) . Only fully deuterated or hydrogenated structures are fine.

*Error message:*

*-------------------------------------------------------------------------------------------------------------------------------------------*

Traceback (most recent call last):

File "C:\GSASII\GSASIIphsGUI.py", line 1079, in AtomTypeSelect

SetupGeneral()

File "C:\GSASII\GSASIIphsGUI.py", line 163, in SetupGeneral

Info = G2elem.GetAtomInfo(atom[ct])

File "C:\GSASII\GSASIIElem.py", line 165, in GetAtomInfo

AtomInfo['Color'] = ET.ElTable[Elements.index(ElS)][6]

ValueError: u'D' is not in list

*-------------------------------------------------------------------------------------------------------------------------------------------*


--
--
Dr. Andrzej Falenty <afal...@gwdg.de>
Abt. Kristallographie
GZG, Georg-August-Universität
Goldschmidtstraße 1
D-37077 Göttingen

Tel. 0049 551 3912150
http://kristall.uni-mki.gwdg.de/

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